Apache Hadoop Changelog

Release 2.8.0 - 2017-03-22

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component Reporter Contributor
YARN-3241 FairScheduler handles “invalid” queue names inconsistently Major fairscheduler zhihai xu zhihai xu
HADOOP-11731 Rework the changelog and releasenotes Major documentation Allen Wittenauer Allen Wittenauer
HADOOP-11746 rewrite test-patch.sh Major build, test Allen Wittenauer Allen Wittenauer
HDFS-8226 Non-HA rollback compatibility broken Blocker . J.Andreina J.Andreina
HADOOP-11772 RPC Invoker relies on static ClientCache which has synchronized(this) blocks Major ipc, performance Gopal V Haohui Mai
YARN-2336 Fair scheduler REST api returns a missing ‘[’ bracket JSON for deep queue tree Major fairscheduler Kenji Kikushima Akira Ajisaka
YARN-41 The RM should handle the graceful shutdown of the NM. Major nodemanager, resourcemanager Ravi Teja Ch N V Devaraj K
HDFS-6564 Use slf4j instead of common-logging in hdfs-client Major build Haohui Mai Rakesh R
MAPREDUCE-6427 Fix typo in JobHistoryEventHandler Minor . Brahma Reddy Battula Ray Chiang
HADOOP-12209 Comparable type should be in FileStatus Minor fs Yong Zhang Yong Zhang
HADOOP-12269 Update aws-sdk dependency to 1.10.6; move to aws-sdk-s3 Major fs/s3 Thomas Demoor Thomas Demoor
HDFS-8900 Compact XAttrs to optimize memory footprint. Major namenode Yi Liu Yi Liu
YARN-4087 Followup fixes after YARN-2019 regarding RM behavior when state-store error occurs Major . Jian He Jian He
HADOOP-12416 Trash messages should be handled by Logger instead of being delivered on System.out Major trash Ashutosh Chauhan Mingliang Liu
HDFS-9063 Correctly handle snapshot path for getContentSummary Major namenode Jing Zhao Jing Zhao
HDFS-9433 DFS getEZForPath API on a non-existent file should throw FileNotFoundException Major encryption Rakesh R Rakesh R
HADOOP-11252 RPC client does not time out by default Critical ipc Wilfred Spiegelenburg Masatake Iwasaki
HDFS-9047 Retire libwebhdfs Major webhdfs Allen Wittenauer Haohui Mai
HADOOP-12651 Replace dev-support with wrappers to Yetus Major scripts Allen Wittenauer Allen Wittenauer
HADOOP-12552 Fix undeclared/unused dependency to httpclient Minor build Masatake Iwasaki Masatake Iwasaki
HADOOP-11792 Remove all of the CHANGES.txt files Major build Allen Wittenauer Andrew Wang
YARN-5035 FairScheduler: Adjust maxAssign dynamically when assignMultiple is turned on Major fairscheduler Karthik Kambatla Karthik Kambatla
HADOOP-12892 fix/rewrite create-release Blocker build Allen Wittenauer Allen Wittenauer
HADOOP-13139 Branch-2: S3a to use thread pool that blocks clients Major fs/s3 Pieter Reuse Pieter Reuse
HADOOP-13382 remove unneeded commons-httpclient dependencies from POM files in Hadoop and sub-projects Major build Matt Foley Matt Foley
HDFS-7933 fsck should also report decommissioning replicas. Major namenode Jitendra Nath Pandey Xiaoyu Yao
HADOOP-13560 S3ABlockOutputStream to support huge (many GB) file writes Major fs/s3 Steve Loughran Steve Loughran
HDFS-11048 Audit Log should escape control characters Major . Eric Badger Eric Badger
HADOOP-13812 Upgrade Tomcat to 6.0.48 Blocker kms John Zhuge John Zhuge
HADOOP-13929 ADLS connector should not check in contract-test-options.xml Major fs/adl, test John Zhuge John Zhuge
HADOOP-14138 Remove S3A ref from META-INF service discovery, rely on existing core-default entry Critical fs/s3 Steve Loughran Steve Loughran

IMPORTANT ISSUES:

JIRA Summary Priority Component Reporter Contributor
YARN-4785 inconsistent value type of the “type” field for LeafQueueInfo in response of RM REST API - cluster/scheduler Major webapp Jayesh Varun Vasudev
YARN-6959 RM may allocate wrong AM Container for new attempt Major capacity scheduler, fairscheduler, scheduler Yuqi Wang Yuqi Wang

NEW FEATURES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-8934 Shell command ls should include sort options Minor fs Jonathan Allen Jonathan Allen
HADOOP-9477 Add posixGroups support for LDAP groups mapping service Major . Kai Zheng Dapeng Sun
HDFS-8009 Signal congestion on the DataNode Major datanode Haohui Mai Haohui Mai
YARN-2901 Add errors and warning metrics page to RM, NM web UI Major nodemanager, resourcemanager Varun Vasudev Varun Vasudev
HDFS-7891 A block placement policy with best rack failure tolerance Minor namenode Walter Su Walter Su
HADOOP-11843 Make setting up the build environment easier Major build Niels Basjes Niels Basjes
MAPREDUCE-6284 Add Task Attempt State API to MapReduce Application Master REST API Minor . Ryu Kobayashi Ryu Kobayashi
HADOOP-10971 Add -C flag to make `hadoop fs -ls` print filenames only Major fs Ryan Williams Kengo Seki
MAPREDUCE-6364 Add a “Kill” link to Task Attempts page Minor applicationmaster Ryu Kobayashi Ryu Kobayashi
HDFS-8487 Generalize BlockInfo in preparation of merging HDFS-7285 into trunk and branch-2 Major namenode Zhe Zhang Zhe Zhang
HDFS-8608 Merge HDFS-7912 to trunk and branch-2 (track BlockInfo instead of Block in UnderReplicatedBlocks and PendingReplicationBlocks) Major . Zhe Zhang Zhe Zhang
HADOOP-5732 Add SFTP FileSystem Minor fs Íñigo Goiri ramtin
HDFS-8622 Implement GETCONTENTSUMMARY operation for WebImageViewer Major . Jagadesh Kiran N Jagadesh Kiran N
HDFS-8155 Support OAuth2 in WebHDFS Major webhdfs Jakob Homan Jakob Homan
MAPREDUCE-6415 Create a tool to combine aggregated logs into HAR files Major . Robert Kanter Robert Kanter
HADOOP-12360 Create StatsD metrics2 sink Minor metrics Dave Marion Dave Marion
YARN-261 Ability to fail AM attempts Major api Jason Lowe Rohith Sharma K S
HDFS-9184 Logging HDFS operation’s caller context into audit logs Major . Mingliang Liu Mingliang Liu
HDFS-9057 allow/disallow snapshots via webhdfs Major webhdfs Allen Wittenauer Brahma Reddy Battula
YARN-4349 Support CallerContext in YARN Major . Wangda Tan Wangda Tan
YARN-3623 We should have a config to indicate the Timeline Service version Major timelineserver Zhijie Shen Xuan Gong
HADOOP-12657 Add a option to skip newline on empty files with getMerge -nl Minor . Jan Filipiak Kanaka Kumar Avvaru
YARN-3458 CPU resource monitoring in Windows Minor nodemanager Íñigo Goiri Íñigo Goiri
HADOOP-12691 Add CSRF Filter for REST APIs to Hadoop Common Major security Larry McCay Larry McCay
HADOOP-12635 Adding Append API support for WASB Major fs/azure Dushyanth Dushyanth
HADOOP-12426 Add Entry point for Kerberos health check Minor security Steve Loughran Steve Loughran
HDFS-9244 Support nested encryption zones Major encryption Xiaoyu Yao Zhe Zhang
HADOOP-12548 Read s3a creds from a Credential Provider Major fs/s3 Allen Wittenauer Larry McCay
HDFS-9711 Integrate CSRF prevention filter in WebHDFS. Major datanode, namenode, webhdfs Chris Nauroth Chris Nauroth
HDFS-9835 OIV: add ReverseXML processor which reconstructs an fsimage from an XML file Major tools Colin P. McCabe Colin P. McCabe
HDFS-9239 DataNode Lifeline Protocol: an alternative protocol for reporting DataNode liveness Major datanode, namenode Chris Nauroth Chris Nauroth
HADOOP-12909 Change ipc.Client to support asynchronous calls Major ipc Tsz Wo Nicholas Sze Xiaobing Zhou
HDFS-9945 Datanode command for evicting writers Major datanode Kihwal Lee Kihwal Lee
HADOOP-13008 Add XFS Filter for UIs to Hadoop Common Major security Larry McCay Larry McCay
HADOOP-13065 Add a new interface for retrieving FS and FC Statistics Major fs Ram Venkatesh Mingliang Liu
HADOOP-12723 S3A: Add ability to plug in any AWSCredentialsProvider Major fs/s3 Steven K. Wong Steven K. Wong
HADOOP-13226 Support async call retry and failover Major io, ipc Xiaobing Zhou Tsz Wo Nicholas Sze
HADOOP-12537 S3A to support Amazon STS temporary credentials Minor fs/s3 Sean Mackrory Sean Mackrory
HDFS-9804 Allow long-running Balancer to login with keytab Major balancer & mover, security Xiao Chen Xiao Chen
HDFS-10918 Add a tool to get FileEncryptionInfo from CLI Major encryption Xiao Chen Xiao Chen
HADOOP-13716 Add LambdaTestUtils class for tests; fix eventual consistency problem in contract test setup Major test Steve Loughran Steve Loughran
HADOOP-14049 Honour AclBit flag associated to file/folder permission for Azure datalake account Major fs/adl Vishwajeet Dusane Vishwajeet Dusane
HADOOP-14048 REDO operation of WASB#AtomicRename should create placeholder blob for destination folder Critical fs/azure NITIN VERMA NITIN VERMA
MAPREDUCE-6304 Specifying node labels when submitting MR jobs Major job submission Jian Fang Naganarasimha G R

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-2580 NameNode#main(…) can make use of GenericOptionsParser. Minor namenode Harsh J Harsh J
MAPREDUCE-5232 log classpath and other key properties on child JVM start Major mrv1, mrv2 Sangjin Lee Sangjin Lee
HADOOP-7713 dfs -count -q should label output column Trivial . Nigel Daley Jonathan Allen
HDFS-7546 Document, and set an accepting default for dfs.namenode.kerberos.principal.pattern Minor security Harsh J Harsh J
HADOOP-11692 Improve authentication failure WARN message to avoid user confusion Major ipc Yongjun Zhang Yongjun Zhang
HADOOP-11226 Add a configuration to set ipc.Client’s traffic class with IPTOS_LOWDELAY|IPTOS_RELIABILITY Major ipc Gopal V Gopal V
HADOOP-11711 Provide a default value for AES/CTR/NoPadding CryptoCodec classes Minor . Andrew Wang Andrew Wang
MAPREDUCE-4414 Add main methods to JobConf and YarnConfiguration, for debug purposes Major client Harsh J Plamen Jeliazkov
MAPREDUCE-6105 Inconsistent configuration in property mapreduce.reduce.shuffle.merge.percent Trivial . Dongwook Kwon Ray Chiang
HDFS-2360 Ugly stacktrace when quota exceeds Minor hdfs-client Rajit Saha Harsh J
MAPREDUCE-6100 replace “mapreduce.job.credentials.binary” with MRJobConfig.MAPREDUCE_JOB_CREDENTIALS_BINARY for better readability. Trivial mrv2 zhihai xu zhihai xu
MAPREDUCE-5755 MapTask.MapOutputBuffer#compare/swap should have @Override annotation Trivial . Tsuyoshi Ozawa Tsuyoshi Ozawa
MAPREDUCE-4653 TestRandomAlgorithm has an unused “import” statement Trivial contrib/gridmix Amir Sanjar Amir Sanjar
HADOOP-11659 o.a.h.fs.FileSystem.Cache#remove should use a single hash map lookup Minor fs Gera Shegalov Brahma Reddy Battula
HADOOP-11709 Time.NANOSECONDS_PER_MILLISECOND - use class-level final constant instead of method variable Trivial . Ajith S Ajith S
HDFS-7835 make initial sleeptime in locateFollowingBlock configurable for DFSClient. Major hdfs-client zhihai xu zhihai xu
HDFS-7829 Code clean up for LocatedBlock Minor . Jing Zhao Takanobu Asanuma
MAPREDUCE-6282 Reuse historyFileAbsolute.getFileSystem in CompletedJob#loadFullHistoryData for code optimization. Trivial jobhistoryserver zhihai xu zhihai xu
HADOOP-11447 Add a more meaningful toString method to SampleStat and MutableStat Minor metrics Karthik Kambatla Karthik Kambatla
YARN-3350 YARN RackResolver spams logs with messages at info level Major . Wilfred Spiegelenburg Wilfred Spiegelenburg
MAPREDUCE-6239 Consolidate TestJobConf classes in hadoop-mapreduce-client-jobclient and hadoop-mapreduce-client-core Minor client Varun Saxena Varun Saxena
MAPREDUCE-5190 Unnecessary condition test in RandomSampler Minor mrv2 Jingguo Yao Jingguo Yao
MAPREDUCE-6287 Deprecated methods in org.apache.hadoop.examples.Sort Minor examples Chao Zhang Chao Zhang
HADOOP-11737 mockito’s version in hadoop-nfs’ pom.xml shouldn’t be specified Minor nfs Kengo Seki Kengo Seki
YARN-2868 FairScheduler: Metric for latency to allocate first container for an application Major . Ray Chiang Ray Chiang
HDFS-7875 Improve log message when wrong value configured for dfs.datanode.failed.volumes.tolerated Trivial datanode nijel nijel
HDFS-7793 Refactor DFSOutputStream separating DataStreamer out Major hdfs-client Kai Zheng Li Bo
HADOOP-11741 Add LOG.isDebugEnabled() guard for some LOG.debug() Major . Walter Su Walter Su
MAPREDUCE-579 Streaming “slowmatch” documentation Trivial contrib/streaming Bo Adler Harsh J
HDFS-7928 Scanning blocks from disk during rolling upgrade startup takes a lot of time if disks are busy Major datanode Rushabh S Shah Rushabh S Shah
HADOOP-11719 [Fsshell] Remove bin/hadoop reference from GenericOptionsParser default help text Minor scripts Brahma Reddy Battula Brahma Reddy Battula
HDFS-8004 Use KeyProviderCryptoExtension#warmUpEncryptedKeys when creating an encryption zone Trivial encryption Andrew Wang Andrew Wang
HDFS-7890 Improve information on Top users for metrics in RollingWindowsManager and lower log level Major . J.Andreina J.Andreina
HDFS-4396 Add START_MSG/SHUTDOWN_MSG for ZKFC Major auto-failover, ha, tools Liang Xie Liang Xie
HADOOP-11660 Add support for hardware crc of HDFS checksums on ARM aarch64 architecture Minor native Edward Nevill Edward Nevill
HDFS-7645 Rolling upgrade is restoring blocks from trash multiple times Major datanode Nathan Roberts Keisuke Ogiwara
HDFS-3918 EditLogTailer shouldn’t log WARN when other node is in standby mode Major ha Todd Lipcon Todd Lipcon
HDFS-7944 Minor cleanup of BlockPoolManager#getAllNamenodeThreads Minor . Arpit Agarwal Arpit Agarwal
YARN-3258 FairScheduler: Need to add more logging to investigate allocations Minor fairscheduler Anubhav Dhoot Anubhav Dhoot
HDFS-7671 hdfs user guide should point to the common rack awareness doc Major documentation Allen Wittenauer Kai Sasaki
YARN-3412 RM tests should use MockRM where possible Major resourcemanager, test Karthik Kambatla Karthik Kambatla
YARN-3428 Debug log resources to be localized for a container Trivial nodemanager Karthik Kambatla Karthik Kambatla
YARN-3424 Change logs for ContainerMonitorImpl’s resourse monitoring from info to debug Major nodemanager Anubhav Dhoot Anubhav Dhoot
YARN-3248 Display count of nodes blacklisted by apps in the web UI Major capacityscheduler, resourcemanager Varun Vasudev Varun Vasudev
HDFS-7978 Add LOG.isDebugEnabled() guard for some LOG.debug(..) Major . Walter Su Walter Su
HDFS-8008 Support client-side back off when the datanodes are congested Major hdfs-client Haohui Mai Haohui Mai
HDFS-7888 Change DataStreamer/DFSOutputStream/DFSPacket for convenience of subclassing Minor hdfs-client Li Bo Li Bo
HDFS-8035 Move checkBlocksProperlyReplicated() in FSNamesystem to BlockManager Minor namenode Haohui Mai Haohui Mai
HADOOP-9805 Refactor RawLocalFileSystem#rename for improved testability. Minor fs, test Chris Nauroth Jean-Pierre Matsumoto
HADOOP-11785 Reduce number of listStatus operation in distcp buildListing() Minor tools/distcp Zoran Dimitrijevic Zoran Dimitrijevic
HADOOP-11717 Add Redirecting WebSSO behavior with JWT Token in Hadoop Auth Major security Larry McCay Larry McCay
YARN-3294 Allow dumping of Capacity Scheduler debug logs via web UI for a fixed time period Major capacityscheduler Varun Vasudev Varun Vasudev
HDFS-8073 Split BlockPlacementPolicyDefault.chooseTarget(..) so it can be easily overrided. Trivial namenode Walter Su Walter Su
HDFS-8076 Code cleanup for DFSInputStream: use offset instead of LocatedBlock when possible Major . Zhe Zhang Zhe Zhang
HDFS-7979 Initialize block report IDs with a random number Minor datanode Andrew Wang Andrew Wang
HDFS-8101 DFSClient use of non-constant DFSConfigKeys pulls in WebHDFS classes at runtime Minor hdfs-client Sean Busbey Sean Busbey
YARN-3293 Track and display capacity scheduler health metrics in web UI Major capacityscheduler Varun Vasudev Varun Vasudev
MAPREDUCE-6291 Correct mapred queue usage command Minor client Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6307 Remove property mapreduce.tasktracker.taskmemorymanager.monitoringinterval Minor . Akira Ajisaka J.Andreina
YARN-3348 Add a ‘yarn top’ tool to help understand cluster usage Major resourcemanager Varun Vasudev Varun Vasudev
YARN-3469 ZKRMStateStore: Avoid setting watches that are not required Minor . Jun Gong Jun Gong
HDFS-8117 More accurate verification in SimulatedFSDataset: replace DEFAULT_DATABYTE with patterned data Major . Zhe Zhang Zhe Zhang
HDFS-8144 Split TestLazyPersistFiles into multiple tests Major test Arpit Agarwal Arpit Agarwal
YARN-3404 View the queue name to YARN Application page Minor . Ryu Kobayashi Ryu Kobayashi
YARN-3451 Add start time and Elapsed in ApplicationAttemptReport and display the same in RMAttemptBlock WebUI Major api, webapp Rohith Sharma K S Rohith Sharma K S
HDFS-7863 Missing description of some methods and parameters in javadoc of FSDirDeleteOp Minor . Yongjun Zhang Brahma Reddy Battula
HDFS-8152 Refactoring of lazy persist storage cases Major test Arpit Agarwal Arpit Agarwal
HDFS-8133 Improve readability of deleted block check Major namenode Daryn Sharp Daryn Sharp
HADOOP-11812 Implement listLocatedStatus for ViewFileSystem to speed up split calculation Blocker fs Gera Shegalov Gera Shegalov
MAPREDUCE-6297 Task Id of the failed task in diagnostics should link to the task page Minor jobhistoryserver Siqi Li Siqi Li
HADOOP-11827 Speed-up distcp buildListing() using threadpool Major tools/distcp Zoran Dimitrijevic Zoran Dimitrijevic
YARN-3494 Expose AM resource limit and usage in QueueMetrics Major . Jian He Rohith Sharma K S
YARN-3503 Expose disk utilization percentage and bad local and log dir counts on NM via JMX Major nodemanager Varun Vasudev Varun Vasudev
YARN-3410 YARN admin should be able to remove individual application records from RMStateStore Critical resourcemanager, yarn Wangda Tan Rohith Sharma K S
HDFS-8215 Refactor NamenodeFsck#check method Minor namenode Takanobu Asanuma Takanobu Asanuma
YARN-3511 Add errors and warnings page to ATS Major timelineserver Varun Vasudev Varun Vasudev
HDFS-8176 Record from/to snapshots in audit log for snapshot diff report Minor snapshots J.Andreina J.Andreina
YARN-3406 Display count of running containers in the RM’s Web UI Minor . Ryu Kobayashi Ryu Kobayashi
HADOOP-11357 Print information of the build enviornment in test-patch.sh Minor scripts Haohui Mai Allen Wittenauer
HDFS-8204 Mover/Balancer should not schedule two replicas to the same DN Minor balancer & mover Walter Su Walter Su
HDFS-8280 Code Cleanup in DFSInputStream Minor . Jing Zhao Jing Zhao
HDFS-8283 DataStreamer cleanup and some minor improvement Minor hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-5574 Remove buffer copy in BlockReader.skip Trivial . Binglin Chang Binglin Chang
HDFS-7770 Need document for storage type label of data node storage locations under dfs.datanode.data.dir Major documentation Xiaoyu Yao Xiaoyu Yao
HDFS-8200 Refactor FSDirStatAndListingOp Major . Haohui Mai Haohui Mai
YARN-3363 add localization and container launch time to ContainerMetrics at NM to show these timing information for each active container. Major nodemanager zhihai xu zhihai xu
HDFS-7397 Add more detail to the documentation for the conf key “dfs.client.read.shortcircuit.streams.cache.size” Minor hdfs-client Tsz Wo Nicholas Sze Brahma Reddy Battula
YARN-2980 Move health check script related functionality to hadoop-common Blocker . Ming Ma Varun Saxena
HADOOP-11911 test-patch should allow configuration of default branch Minor . Sean Busbey Sean Busbey
HDFS-7758 Retire FsDatasetSpi#getVolumes() and use FsDatasetSpi#getVolumeRefs() instead Major datanode Lei (Eddy) Xu Lei (Eddy) Xu
HADOOP-11925 backport trunk’s smart-apply-patch.sh to branch-2 Major scripts Allen Wittenauer Allen Wittenauer
MAPREDUCE-6192 Create unit test to automatically compare MR related classes and mapred-default.xml Minor . Ray Chiang Ray Chiang
HADOOP-11813 releasedocmaker.py should use today’s date instead of unreleased Minor build Allen Wittenauer Darrell Taylor
YARN-3491 PublicLocalizer#addResource is too slow. Critical nodemanager zhihai xu zhihai xu
MAPREDUCE-6279 AM should explicity exit JVM after all services have stopped Major . Jason Lowe Eric Payne
HDFS-8108 Fsck should provide the info on mandatory option to be used along with “-blocks , -locations and -racks” Trivial documentation J.Andreina J.Andreina
HDFS-8207 Improper log message when blockreport interval compared with initial delay Minor . Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6079 Rename JobImpl#username to reporterUserName Major . Tsuyoshi Ozawa Tsuyoshi Ozawa
HDFS-8209 Support different number of datanode directories in MiniDFSCluster. Minor test Surendra Singh Lilhore Surendra Singh Lilhore
YARN-3169 Drop YARN’s overview document Major documentation Allen Wittenauer Brahma Reddy Battula
YARN-2784 Make POM project names consistent Minor build Rohith Sharma K S Rohith Sharma K S
MAPREDUCE-5981 Log levels of certain MR logs can be changed to DEBUG Major . Varun Saxena Varun Saxena
HADOOP-6842 “hadoop fs -text” does not give a useful text representation of MapWritable objects Major io Steven K. Wong Akira Ajisaka
YARN-20 More information for “yarn.resourcemanager.webapp.address” in yarn-default.xml Trivial documentation, resourcemanager Nemon Lou Bartosz Ługowski
HDFS-5640 Add snapshot methods to FileContext. Major hdfs-client, snapshots Chris Nauroth Rakesh R
HDFS-8284 Update documentation about how to use HTrace with HDFS Major documentation Masatake Iwasaki Masatake Iwasaki
HDFS-7433 Optimize performance of DatanodeManager’s node map Critical namenode Daryn Sharp Daryn Sharp
MAPREDUCE-5248 Let NNBenchWithoutMR specify the replication factor for its test Minor client, test Erik Paulson Erik Paulson
HADOOP-9737 JarFinder#getJar should delete the jar file upon destruction of the JVM Major util Esteban Gutierrez Jean-Baptiste Onofré
YARN-1050 Document the Fair Scheduler REST API Major documentation, fairscheduler Sandy Ryza Kenji Kikushima
YARN-3271 FairScheduler: Move tests related to max-runnable-apps from TestFairScheduler to TestAppRunnability Major . Karthik Kambatla nijel
YARN-2206 Update document for applications REST API response examples Minor documentation Kenji Kikushima Brahma Reddy Battula
HDFS-6757 Simplify lease manager with INodeID Major . Haohui Mai Haohui Mai
HDFS-8327 Simplify quota calculations for snapshots and truncate Major . Haohui Mai Haohui Mai
YARN-1287 Consolidate MockClocks Major . Sandy Ryza Sebastian Wong
HDFS-8357 Consolidate parameters of INode.CleanSubtree() into a parameter objects. Major . Haohui Mai Li Lu
HADOOP-11950 Add cli option to test-patch to set the project-under-test Minor . Sean Busbey Sean Busbey
HADOOP-11948 test-patch’s issue matching regex should be configurable. Major . Sean Busbey Sean Busbey
MAPREDUCE-5465 Tasks are often killed before they exit on their own Major mr-am, mrv2 Radim Kolar Ming Ma
YARN-3513 Remove unused variables in ContainersMonitorImpl and add debug log for overall resource usage by all containers Trivial nodemanager Naganarasimha G R Naganarasimha G R
HDFS-8255 Rename getBlockReplication to getPreferredBlockReplication Major . Zhe Zhang Zhe Zhang
YARN-3613 TestContainerManagerSecurity should init and start Yarn cluster in setup instead of individual methods Minor test Karthik Kambatla nijel
HDFS-6184 Capture NN’s thread dump when it fails over Major namenode Ming Ma Ming Ma
YARN-3539 Compatibility doc to state that ATS v1 is a stable REST API Major documentation Steve Loughran Steve Loughran
HADOOP-9723 Improve error message when hadoop archive output path already exists Trivial . Stephen Chu Yongjun Zhang
HADOOP-11713 ViewFileSystem should support snapshot methods. Major fs Chris Nauroth Rakesh R
HDFS-8350 Remove old webhdfs.xml and other outdated documentation stuff Major documentation Akira Ajisaka Brahma Reddy Battula
HADOOP-11960 Enable Azure-Storage Client Side logging. Major tools Dushyanth Dushyanth
HDFS-6888 Allow selectively audit logging ops Major . Kihwal Lee Chen He
HDFS-8397 Refactor the error handling code in DataStreamer Minor hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8394 Move getAdditionalBlock() and related functionalities into a separate class Major . Haohui Mai Haohui Mai
HADOOP-11939 Deprecate DistCpV1 and Logalyzer Major . Brahma Reddy Battula Brahma Reddy Battula
HDFS-4185 Add a metric for number of active leases Major namenode Kihwal Lee Rakesh R
HADOOP-1540 Support file exclusion list in distcp Minor util Senthil Subramanian Steven Rand
HADOOP-11103 Clean up RemoteException Trivial ipc Sean Busbey Sean Busbey
HDFS-8131 Implement a space balanced block placement policy Minor namenode Liu Shaohui Liu Shaohui
HADOOP-11970 Replace uses of ThreadLocal<Random> with JDK7 ThreadLocalRandom Major . Sean Busbey Sean Busbey
HADOOP-11995 Make jetty version configurable from the maven command line Trivial build, ld sriharsha devineni sriharsha devineni
HDFS-4383 Document the lease limits Minor . Eli Collins Mohammad Arshad
HADOOP-10366 Add whitespaces between the classes for values in core-default.xml to fit better in browser Minor documentation Chengwei Yang Kanaka Kumar Avvaru
HADOOP-11594 Improve the readability of site index of documentation Minor documentation Masatake Iwasaki Masatake Iwasaki
YARN-160 nodemanagers should obtain cpu/memory values from underlying OS Major nodemanager Alejandro Abdelnur Varun Vasudev
HADOOP-11242 Record the time of calling in tracing span of IPC server Minor ipc Masatake Iwasaki Masatake Iwasaki
YARN-3722 Merge multiple TestWebAppUtils into o.a.h.yarn.webapp.util.TestWebAppUtils Minor test Masatake Iwasaki Masatake Iwasaki
HADOOP-11894 Bump the version of Apache HTrace to 3.2.0-incubating Major . Masatake Iwasaki Masatake Iwasaki
YARN-3489 RMServerUtils.validateResourceRequests should only obtain queue info once Major resourcemanager Jason Lowe Varun Saxena
HDFS-8443 Document dfs.namenode.service.handler.count in hdfs-site.xml Major documentation Akira Ajisaka J.Andreina
YARN-3547 FairScheduler: Apps that have no resource demand should not participate scheduling Major fairscheduler Xianyin Xin Xianyin Xin
YARN-3713 Remove duplicate function call storeContainerDiagnostics in ContainerDiagnosticsUpdateTransition Minor nodemanager zhihai xu zhihai xu
HADOOP-12043 Display warning if defaultFs is not set when running fs commands. Minor fs Lei (Eddy) Xu Lei (Eddy) Xu
YARN-3467 Expose allocatedMB, allocatedVCores, and runningContainers metrics on running Applications in RM Web UI Minor webapp, yarn Anthony Rojas Anubhav Dhoot
HDFS-8490 Typo in trace enabled log in ExceptionHandler of WebHDFS Trivial webhdfs Jakob Homan Archana T
HDFS-8521 Add @VisibleForTesting annotation to {{BlockPoolSlice#selectReplicaToDelete}} Trivial . Colin P. McCabe Colin P. McCabe
MAPREDUCE-6174 Combine common stream code into parent class for InMemoryMapOutput and OnDiskMapOutput. Major mrv2 Eric Payne Eric Payne
HDFS-8532 Make the visibility of DFSOutputStream#streamer member variable to private Trivial . Rakesh R Rakesh R
HDFS-8535 Clarify that dfs usage in dfsadmin -report output includes all block replicas. Minor documentation Lei (Eddy) Xu Lei (Eddy) Xu
MAPREDUCE-6383 Pi job (QuasiMonteCarlo) should not try to read the results file if its job fails Major examples Harsh J Harsh J
YARN-3259 FairScheduler: Trigger fairShare updates on node events Major fairscheduler Anubhav Dhoot Anubhav Dhoot
HADOOP-12059 S3Credentials should support use of CredentialProvider Major fs/s3 Sean Busbey Sean Busbey
MAPREDUCE-6354 ShuffleHandler should be able to log shuffle connections Major . Chang Li Chang Li
HADOOP-12055 Deprecate usage of NativeIO#link Major native Andrew Wang Andrew Wang
HDFS-8432 Introduce a minimum compatible layout version to allow downgrade in more rolling upgrade use cases. Major namenode, rolling upgrades Chris Nauroth Chris Nauroth
HDFS-8116 Cleanup uncessary if LOG.isDebugEnabled() from RollingWindowManager Trivial namenode Xiaoyu Yao Brahma Reddy Battula
YARN-2716 Refactor ZKRMStateStore retry code with Apache Curator Major . Jian He Karthik Kambatla
HDFS-8553 Document hdfs class path options Major documentation Xiaoyu Yao Brahma Reddy Battula
YARN-3786 Document yarn class path options Major documentation Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6392 Document mapred class path options Major documentation Brahma Reddy Battula Brahma Reddy Battula
HDFS-8549 Abort the balancer if an upgrade is in progress Major balancer & mover Andrew Wang Andrew Wang
HDFS-8573 Move creation of restartMeta file logic from BlockReceiver to ReplicaInPipeline Major datanode Lei (Eddy) Xu Lei (Eddy) Xu
HADOOP-11971 Move test utilities for tracing from hadoop-hdfs to hadoop-common Minor tracing Masatake Iwasaki Masatake Iwasaki
HDFS-8361 Choose SSD over DISK in block placement Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-3789 Improve logs for LeafQueue#activateApplications() Minor resourcemanager Bibin A Chundatt Bibin A Chundatt
HDFS-8606 Cleanup DFSOutputStream by removing unwanted changes Minor hdfs-client Rakesh R Rakesh R
YARN-3148 Allow CORS related headers to passthrough in WebAppProxyServlet Major . Prakash Ramachandran Varun Saxena
HDFS-8589 Fix unused imports in BPServiceActor and BlockReportLeaseManager Trivial . Colin P. McCabe Colin P. McCabe
HADOOP-7139 Allow appending to existing SequenceFiles Major io Stephen Rose Kanaka Kumar Avvaru
HDFS-8605 Merge Refactor of DFSOutputStream from HDFS-7285 branch Major . Vinayakumar B Vinayakumar B
MAPREDUCE-6395 Improve the commit failure messages in MRAppMaster recovery Major applicationmaster Gera Shegalov Brahma Reddy Battula
HDFS-8582 Support getting a list of reconfigurable config properties and do not generate spurious reconfig warnings Minor datanode, hdfs-client Lei (Eddy) Xu Lei (Eddy) Xu
MAPREDUCE-6316 Task Attempt List entries should link to the task overview Major . Siqi Li Siqi Li
MAPREDUCE-6305 AM/Task log page should be able to link back to the job Major . Siqi Li Siqi Li
YARN-3834 Scrub debug logging of tokens during resource localization. Major nodemanager Chris Nauroth Chris Nauroth
MAPREDUCE-6408 Queue name and user name should be printed on the job page Major applicationmaster Siqi Li Siqi Li
HDFS-8639 Option for HTTP port of NameNode by MiniDFSClusterManager Minor test Kai Sasaki Kai Sasaki
YARN-3360 Add JMX metrics to TimelineDataManager Major timelineserver Jason Lowe Jason Lowe
HADOOP-12049 Control http authentication cookie persistence via configuration Major security Benoy Antony Huizhi Lu
HDFS-8462 Implement GETXATTRS and LISTXATTRS operations for WebImageViewer Major . Akira Ajisaka Jagadesh Kiran N
HDFS-8640 Make reserved RBW space visible through JMX Major . Kanaka Kumar Avvaru Kanaka Kumar Avvaru
HDFS-8546 Use try with resources in DataStorage and Storage Minor datanode Andrew Wang Andrew Wang
HADOOP-11807 add a lint mode to releasedocmaker Minor build, documentation, yetus Allen Wittenauer ramtin
HDFS-8653 Code cleanup for DatanodeManager, DatanodeDescriptor and DatanodeStorageInfo Major . Zhe Zhang Zhe Zhang
HDFS-8659 Block scanner INFO message is spamming logs Major datanode Yongjun Zhang Yongjun Zhang
MAPREDUCE-6384 Add the last reporting reducer info for too many fetch failure diagnostics Major . Chang Li Chang Li
HADOOP-12158 Improve error message in TestCryptoStreamsWithOpensslAesCtrCryptoCodec when OpenSSL is not installed Trivial test Andrew Wang Andrew Wang
HADOOP-12172 FsShell mkdir -p makes an unnecessary check for the existence of the parent. Minor fs Chris Nauroth Chris Nauroth
HDFS-8703 Merge refactor of DFSInputStream from ErasureCoding branch Major . Vinayakumar B Vinayakumar B
HDFS-8709 Clarify automatic sync in FSEditLog#logEdit Minor . Andrew Wang Andrew Wang
HADOOP-12045 Enable LocalFileSystem#setTimes to change atime Minor fs Kazuho Fujii Kazuho Fujii
HADOOP-12185 NetworkTopology is not efficient adding/getting/removing nodes Major . Íñigo Goiri Íñigo Goiri
HADOOP-12135 cleanup releasedocmaker Major yetus Allen Wittenauer Allen Wittenauer
HADOOP-12195 Add annotation to package-info.java file to workaround MCOMPILER-205 Trivial . Andrew Wang Andrew Wang
HADOOP-12193 Rename Touchz.java to Touch.java Trivial . Andrew Wang Andrew Wang
HDFS-8711 setSpaceQuota command should print the available storage type when input storage type is wrong Major hdfs-client Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-8712 Remove “public” and “abstract” modifiers in FsVolumeSpi and FsDatasetSpi Trivial . Lei (Eddy) Xu Lei (Eddy) Xu
HADOOP-12194 Support for incremental generation in the protoc plugin Major . Andrew Wang Andrew Wang
HADOOP-12180 Move ResourceCalculatorPlugin from YARN to Common Major util Chris Douglas Chris Douglas
HADOOP-12210 Collect network usage on the node Major . Robert Grandl Robert Grandl
YARN-3069 Document missing properties in yarn-default.xml Major documentation Ray Chiang Ray Chiang
YARN-3381 Fix typo InvalidStateTransitonException Minor api Xiaoshuang LU Brahma Reddy Battula
HADOOP-12211 Collect disks usages on the node Major . Robert Grandl Robert Grandl
HDFS-8722 Optimize datanode writes for small writes and flushes Critical . Kihwal Lee Kihwal Lee
HADOOP-12232 Upgrade Tomcat dependency to 6.0.44. Major build Chris Nauroth Chris Nauroth
YARN-3170 YARN architecture document needs updating Major documentation Allen Wittenauer Brahma Reddy Battula
MAPREDUCE-5762 Port MAPREDUCE-3223 and MAPREDUCE-4695 (Remove MRv1 config from mapred-default.xml) to branch-2 Minor documentation Akira Ajisaka Akira Ajisaka
YARN-3174 Consolidate the NodeManager and NodeManagerRestart documentation into one Major documentation Allen Wittenauer Masatake Iwasaki
HDFS-7314 When the DFSClient lease cannot be renewed, abort open-for-write files rather than the entire DFSClient Major . Ming Ma Ming Ma
HADOOP-11893 Mark org.apache.hadoop.security.token.Token as @InterfaceAudience.Public Major security Steve Loughran Brahma Reddy Battula
HADOOP-12081 Fix UserGroupInformation.java to support 64-bit zLinux Major security Adam Roberts Akira Ajisaka
HADOOP-12214 Parse ‘HadoopArchive’ commandline using cli Options. Minor . Vinayakumar B Vinayakumar B
YARN-2921 Fix MockRM/MockAM#waitForState sleep too long Major test Karthik Kambatla Tsuyoshi Ozawa
HADOOP-12161 Add getStoragePolicy API to the FileSystem interface Major fs Arpit Agarwal Brahma Reddy Battula
HADOOP-12189 Improve CallQueueManager#swapQueue to make queue elements drop nearly impossible. Major ipc, test zhihai xu zhihai xu
HADOOP-12009 Clarify FileSystem.listStatus() sorting order & fix FileSystemContractBaseTest:testListStatus Minor documentation, fs, test Jakob Homan J.Andreina
HADOOP-12259 Utility to Dynamic port allocation Major test, util Brahma Reddy Battula Brahma Reddy Battula
HDFS-8735 Inotify : All events classes should implement toString() API. Major hdfs-client Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-7858 Improve HA Namenode Failover detection on the client Major hdfs-client Arun Suresh Arun Suresh
HDFS-8180 AbstractFileSystem Implementation for WebHdfs Major webhdfs Santhosh G Nayak Santhosh G Nayak
HDFS-8811 Move BlockStoragePolicy name’s constants from HdfsServerConstants.java to HdfsConstants.java Major . Vinayakumar B Vinayakumar B
HDFS-8822 Add SSD storagepolicy tests in TestBlockStoragePolicy#testDefaultPolicies Major . Vinayakumar B Vinayakumar B
YARN-3950 Add unique YARN_SHELL_ID environment variable to DistributedShell Major applications/distributed-shell Robert Kanter Robert Kanter
YARN-2768 Avoid cloning Resource in FSAppAttempt#updateDemand Minor fairscheduler Hong Zhiguo Hong Zhiguo
HDFS-8816 Improve visualization for the Datanode tab in the NN UI Major . Haohui Mai Haohui Mai
HDFS-8821 Explain message “Operation category X is not supported in state standby” Minor . Gautam Gopalakrishnan Gautam Gopalakrishnan
HADOOP-12271 Hadoop Jar Error Should Be More Explanatory Minor . Jesse Anderson Josh Elser
HADOOP-12183 Annotate the HTrace span created by FsShell with the command-line arguments passed by the user Minor tracing Masatake Iwasaki Masatake Iwasaki
YARN-3978 Configurably turn off the saving of container info in Generic AHS Major timelineserver, yarn Eric Payne Eric Payne
YARN-3965 Add startup timestamp to nodemanager UI Minor nodemanager Hong Zhiguo Hong Zhiguo
HADOOP-12280 Skip unit tests based on maven profile rather than NativeCodeLoader.isNativeCodeLoaded Minor test Masatake Iwasaki Masatake Iwasaki
HDFS-8815 DFS getStoragePolicy implementation using single RPC call Major hdfs-client Arpit Agarwal Surendra Singh Lilhore
YARN-3961 Expose pending, running and reserved containers of a queue in REST api and yarn top Major capacityscheduler, fairscheduler, webapp Anubhav Dhoot Anubhav Dhoot
YARN-4019 Add JvmPauseMonitor to ResourceManager and NodeManager Major nodemanager, resourcemanager Robert Kanter Robert Kanter
MAPREDUCE-6443 Add JvmPauseMonitor to Job History Server Major jobhistoryserver Robert Kanter Robert Kanter
HDFS-8887 Expose storage type and storage ID in BlockLocation Major . Andrew Wang Andrew Wang
HADOOP-12318 Expose underlying LDAP exceptions in SaslPlainServer Minor security Mike Yoder Mike Yoder
HADOOP-12295 Improve NetworkTopology#InnerNode#remove logic Major . Yi Liu Yi Liu
HDFS-7649 Multihoming docs should emphasize using hostnames in configurations Major documentation Arpit Agarwal Brahma Reddy Battula
YARN-4055 Report node resource utilization in heartbeat Major nodemanager Íñigo Goiri Íñigo Goiri
HDFS-8713 Convert DatanodeDescriptor to use SLF4J logging Trivial . Andrew Wang Andrew Wang
HDFS-8883 NameNode Metrics : Add FSNameSystem lock Queue Length Major namenode Anu Engineer Anu Engineer
HDFS-6407 Add sorting and pagination in the datanode tab of the NN Web UI Critical namenode Nathan Roberts Haohui Mai
HDFS-8880 NameNode metrics logging Major namenode Arpit Agarwal Arpit Agarwal
YARN-4057 If ContainersMonitor is not enabled, only print related log info one time Minor nodemanager Jun Gong Jun Gong
HADOOP-12050 Enable MaxInactiveInterval for hadoop http auth token Major security Benoy Antony Huizhi Lu
HDFS-8435 Support CreateFlag in WebHdfs Major webhdfs Vinoth Sathappan Jakob Homan
HDFS-8911 NameNode Metric : Add Editlog counters as a JMX metric Major namenode Anu Engineer Anu Engineer
HDFS-8917 Cleanup BlockInfoUnderConstruction from comments and tests Minor namenode Zhe Zhang Zhe Zhang
HDFS-8884 Fail-fast check in BlockPlacementPolicyDefault#chooseTarget Major . Yi Liu Yi Liu
HDFS-8828 Utilize Snapshot diff report to build diff copy list in distcp Major distcp, snapshots Yufei Gu Yufei Gu
HDFS-8924 Add pluggable interface for reading replicas in DFSClient Major hdfs-client Colin P. McCabe Colin P. McCabe
HDFS-8928 Improvements for BlockUnderConstructionFeature: ReplicaUnderConstruction as a separate class and replicas as an array Minor namenode Zhe Zhang Jing Zhao
HDFS-2390 dfsadmin -setBalancerBandwidth doesnot validate -ve value Minor balancer & mover Rajit Saha Gautam Gopalakrishnan
HDFS-8865 Improve quota initialization performance Major . Kihwal Lee Kihwal Lee
HDFS-8983 NameNode support for protected directories Major namenode Arpit Agarwal Arpit Agarwal
HDFS-8946 Improve choosing datanode storage for block placement Major namenode Yi Liu Yi Liu
HDFS-8965 Harden edit log reading code against out of memory errors Major . Colin P. McCabe Colin P. McCabe
HADOOP-12368 Mark ViewFileSystemBaseTest and ViewFsBaseTest as abstract Trivial . Andrew Wang Andrew Wang
HADOOP-12367 Move TestFileUtil’s test resources to resources folder Minor . Andrew Wang Andrew Wang
HADOOP-12369 Point hadoop-project/pom.xml java.security.krb5.conf within target folder Minor . Andrew Wang Andrew Wang
HDFS-328 Improve fs -setrep error message for invalid replication factors Major namenode Tsz Wo Nicholas Sze Daniel Templeton
HADOOP-5323 Trash documentation should describe its directory structure and configurations Minor documentation Suman Sehgal Weiwei Yang
HDFS-9021 Use a yellow elephant rather than a blue one in diagram Minor . Andrew Wang Andrew Wang
HADOOP-12358 Add -safely flag to rm to prompt when deleting many files Major fs Xiaoyu Yao Xiaoyu Yao
YARN-4024 YARN RM should avoid unnecessary resolving IP when NMs doing heartbeat Major resourcemanager Wangda Tan Hong Zhiguo
HADOOP-12384 Add “-direct” flag option for fs copy so that user can choose not to create “._COPYING_” file Major fs Chen He J.Andreina
HDFS-9019 Adding informative message to sticky bit permission denied exception Minor security Thejas M Nair Xiaoyu Yao
HDFS-8384 Allow NN to startup if there are files having a lease but are not under construction Minor namenode Tsz Wo Nicholas Sze Jing Zhao
HDFS-8929 Add a metric to expose the timestamp of the last journal Major journal-node Akira Ajisaka Surendra Singh Lilhore
HDFS-7116 Add a command to get the balancer bandwidth Major balancer & mover Akira Ajisaka Rakesh R
YARN-4086 Allow Aggregated Log readers to handle HAR files Major . Robert Kanter Robert Kanter
HDFS-8974 Convert docs in xdoc format to markdown Minor documentation Masatake Iwasaki Masatake Iwasaki
YARN-4145 Make RMHATestBase abstract so its not run when running all tests under that namespace Minor . Anubhav Dhoot Anubhav Dhoot
HADOOP-12324 Better exception reporting in SaslPlainServer Minor security Mike Yoder Mike Yoder
YARN-2005 Blacklisting support for scheduling AMs Major resourcemanager Jason Lowe Anubhav Dhoot
HDFS-8829 Make SO_RCVBUF and SO_SNDBUF size configurable for DataTransferProtocol sockets and allow configuring auto-tuning Major datanode He Tianyi He Tianyi
HDFS-9065 Include commas on # of files, blocks, total filesystem objects in NN Web UI Minor namenode Daniel Templeton Daniel Templeton
HADOOP-12413 AccessControlList should avoid calling getGroupNames in isUserInList with empty groups. Major security zhihai xu zhihai xu
HDFS-8953 DataNode Metrics logging Major . Kanaka Kumar Avvaru Kanaka Kumar Avvaru
YARN-4158 Remove duplicate close for LogWriter in AppLogAggregatorImpl#uploadLogsForContainers Minor nodemanager zhihai xu zhihai xu
YARN-4149 yarn logs -am should provide an option to fetch all the log files Major client, nodemanager Varun Vasudev Varun Vasudev
HDFS-9082 Change the log level in WebHdfsFileSystem.initialize() from INFO to DEBUG Minor webhdfs Santhosh G Nayak Santhosh G Nayak
YARN-4135 Improve the assertion message in MockRM while failing after waiting for the state. Trivial . nijel nijel
MAPREDUCE-6478 Add an option to skip cleanupJob stage or ignore cleanup failure during commitJob(). Major . Junping Du Junping Du
HADOOP-12404 Disable caching for JarURLConnection to avoid sharing JarFile with other users when loading resource from URL in Configuration class. Minor conf zhihai xu zhihai xu
HADOOP-12428 Fix inconsistency between log-level guards and statements Minor . Jackie Chang Jagadesh Kiran N
YARN-4095 Avoid sharing AllocatorPerContext object in LocalDirAllocator between ShuffleHandler and LocalDirsHandlerService. Major nodemanager zhihai xu zhihai xu
HDFS-5795 RemoteBlockReader2#checkSuccess() shoud print error status Trivial . Brandon Li Xiao Chen
HDFS-9112 Improve error message for Haadmin when multiple name service IDs are configured Major tools Anu Engineer Anu Engineer
HDFS-9132 Pass genstamp to ReplicaAccessorBuilder Major hdfs-client Colin P. McCabe Colin P. McCabe
HADOOP-12442 Display help if the command option to "hdfs dfs " is not valid Minor . nijel nijel
HADOOP-11984 Enable parallel JUnit tests in pre-commit. Major build, scripts, test Chris Nauroth Chris Nauroth
MAPREDUCE-6471 Document distcp incremental copy Major distcp Arpit Agarwal Neelesh Srinivas Salian
HDFS-9148 Incorrect assert message in TestWriteToReplica#testWriteToTemporary Trivial test Tony Wu Tony Wu
HDFS-8859 Improve DataNode ReplicaMap memory footprint to save about 45% Major datanode Yi Liu Yi Liu
HDFS-8696 Make the lower and higher watermark in the DN Netty server configurable Major webhdfs Xiaobing Zhou Xiaobing Zhou
YARN-3727 For better error recovery, check if the directory exists before using it for localization. Major nodemanager zhihai xu zhihai xu
HDFS-9175 Change scope of ‘AccessTokenProvider.getAccessToken()’ and ‘CredentialBasedAccessTokenProvider.getCredential()’ abstract methods to public Major webhdfs Santhosh G Nayak Santhosh G Nayak
HADOOP-12458 Retries is typoed to spell Retires in parts of hadoop-yarn and hadoop-common Minor documentation Neelesh Srinivas Salian Neelesh Srinivas Salian
HDFS-9151 Mover should print the exit status/reason on console like balancer tool. Minor balancer & mover Archana T Surendra Singh Lilhore
HADOOP-12350 WASB Logging: Improve WASB Logging around deletes, reads and writes Major tools Dushyanth Dushyanth
HADOOP-12284 UserGroupInformation doAs can throw misleading exception Trivial security Aaron Dossett Aaron Dossett
YARN-4228 FileSystemRMStateStore use IOUtils#close instead of fs#close Minor . Bibin A Chundatt Bibin A Chundatt
YARN-3943 Use separate threshold configurations for disk-full detection and disk-not-full detection. Critical nodemanager zhihai xu zhihai xu
MAPREDUCE-6479 Add missing mapred job command options in mapreduce document Major documentation nijel nijel
HADOOP-11104 org.apache.hadoop.metrics2.lib.MetricsRegistry needs numerical parameter checking Minor . Ray Chiang Ray Chiang
HDFS-9181 Better handling of exceptions thrown during upgrade shutdown Minor . Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9110 Use Files.walkFileTree in NNUpgradeUtil#doPreUpgrade for better efficiency Minor . Charlie Helin Charlie Helin
HDFS-9221 HdfsServerConstants#ReplicaState#getState should avoid calling values() since it creates a temporary array Major performance Staffan Friberg Staffan Friberg
HDFS-8988 Use LightWeightHashSet instead of LightWeightLinkedSet in BlockManager#excessReplicateMap Major . Yi Liu Yi Liu
HDFS-9139 Enable parallel JUnit tests for HDFS Pre-commit Major test Vinayakumar B Vinayakumar B
HDFS-9145 Tracking methods that hold FSNamesytemLock for too long Major namenode Jing Zhao Mingliang Liu
HADOOP-10775 Shell operations to fail with meaningful errors on windows if winutils.exe not found Minor util Steve Loughran Steve Loughran
YARN-4253 Standardize on using PrivilegedOperationExecutor for all invocations of container-executor in LinuxContainerExecutor Major . Sidharta Seethana Sidharta Seethana
YARN-4252 Log container-executor invocation details when exit code is non-zero Minor nodemanager Sidharta Seethana Sidharta Seethana
HDFS-9238 Update TestFileCreation#testLeaseExpireHardLimit() to avoid using DataNodeTestUtils#getFile() Trivial test Tony Wu Tony Wu
HDFS-9188 Make block corruption related tests FsDataset-agnostic. Major test Lei (Eddy) Xu Lei (Eddy) Xu
HDFS-9205 Do not schedule corrupt blocks for replication Minor namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-12481 JWTRedirectAuthenticationHandler doesn’t Retain Original Query String Major security Larry McCay Larry McCay
HDFS-9257 improve error message for “Absolute path required” in INode.java to contain the rejected path Trivial namenode Marcell Szabo Marcell Szabo
HDFS-9253 Refactor tests of libhdfs into a directory Major . Haohui Mai Haohui Mai
HADOOP-12450 UserGroupInformation should not log at WARN level if no groups are found Minor security Elliott Clark Elliott Clark
HADOOP-12460 Add overwrite option for ‘get’ shell command Major . Keegan Witt Jagadesh Kiran N
HDFS-9250 Add Precondition check to LocatedBlock#addCachedLoc Major namenode Xiao Chen Xiao Chen
HDFS-9251 Refactor TestWriteToReplica and TestFsDatasetImpl to avoid explicitly creating Files in tests code. Major test Lei (Eddy) Xu Lei (Eddy) Xu
MAPREDUCE-6489 Fail fast rogue tasks that write too much to local disk Major task Maysam Yabandeh Maysam Yabandeh
HDFS-8647 Abstract BlockManager’s rack policy into BlockPlacementPolicy Major . Ming Ma Brahma Reddy Battula
HDFS-7087 Ability to list /.reserved Major . Andrew Wang Xiao Chen
HDFS-9280 Document NFS gateway export point parameter Trivial documentation Zhe Zhang Xiao Chen
HADOOP-12334 Change Mode Of Copy Operation of HBase WAL Archiving to bypass Azure Storage Throttling after retries Major tools Gaurav Kanade Gaurav Kanade
HADOOP-7266 Deprecate metrics v1 Blocker metrics Luke Lu Akira Ajisaka
YARN-2913 Fair scheduler should have ability to set MaxResourceDefault for each queue Major . Siqi Li Siqi Li
HDFS-9264 Minor cleanup of operations on FsVolumeList#volumes Minor . Walter Su Walter Su
HDFS-8808 dfs.image.transfer.bandwidthPerSec should not apply to -bootstrapStandby Major . Gautam Gopalakrishnan Zhe Zhang
HDFS-9297 Update TestBlockMissingException to use corruptBlockOnDataNodesByDeletingBlockFile() Trivial test Tony Wu Tony Wu
HDFS-4015 Safemode should count and report orphaned blocks Major namenode Todd Lipcon Anu Engineer
YARN-3528 Tests with 12345 as hard-coded port break jenkins Blocker . Steve Loughran Brahma Reddy Battula
YARN-4285 Display resource usage as percentage of queue and cluster in the RM UI Major resourcemanager Varun Vasudev Varun Vasudev
HDFS-7284 Add more debug info to BlockInfoUnderConstruction#setGenerationStampAndVerifyReplicas Major namenode Hu Liu, Wei-Chiu Chuang
HADOOP-12472 Make GenericTestUtils.assertExceptionContains robust Minor test Steve Loughran Steve Loughran
HDFS-9291 Fix TestInterDatanodeProtocol to be FsDataset-agnostic. Minor test Lei (Eddy) Xu Lei (Eddy) Xu
HDFS-8945 Update the description about replica placement in HDFS Architecture documentation Minor documentation Masatake Iwasaki Masatake Iwasaki
HDFS-9292 Make TestFileConcorruption independent to underlying FsDataset Implementation. Minor . Lei (Eddy) Xu Lei (Eddy) Xu
HDFS-9259 Make SO_SNDBUF size configurable at DFSClient side for hdfs write scenario Major . Ming Ma Mingliang Liu
HDFS-9299 Give ReplicationMonitor a readable thread name Trivial namenode Staffan Friberg Staffan Friberg
HDFS-9307 fuseConnect should be private to fuse_connect.c Trivial fuse-dfs Colin P. McCabe Mingliang Liu
HADOOP-12520 Use XInclude in hadoop-azure test configuration to isolate Azure Storage account keys for service integration tests. Major fs/azure, test Chris Nauroth Chris Nauroth
HDFS-9311 Support optional offload of NameNode HA service health checks to a separate RPC server. Major ha, namenode Chris Nauroth Chris Nauroth
HDFS-9255 Consolidate block recovery related implementation into a single class Minor datanode Walter Su Walter Su
YARN-2573 Integrate ReservationSystem with the RM failover mechanism Major capacityscheduler, fairscheduler, resourcemanager Subru Krishnan Subru Krishnan
HDFS-6200 Create a separate jar for hdfs-client Major build Haohui Mai Haohui Mai
HDFS-8545 Refactor FS#getUsed() to use ContentSummary and add an API to fetch the total file length from a specific path Minor . J.Andreina J.Andreina
HDFS-9229 Expose size of NameNode directory as a metric Minor namenode Zhe Zhang Surendra Singh Lilhore
YARN-4310 FairScheduler: Log skipping reservation messages at DEBUG level Minor fairscheduler Arun Suresh Arun Suresh
HDFS-9312 Fix TestReplication to be FsDataset-agnostic. Minor . Lei (Eddy) Xu Lei (Eddy) Xu
HDFS-9308 Add truncateMeta() and deleteMeta() to MiniDFSCluster Minor test Tony Wu Tony Wu
HDFS-9331 Modify TestNameNodeMXBean#testNameNodeMXBeanInfo() to account for filesystem entirely allocated for DFS use Trivial test Tony Wu Tony Wu
HDFS-9363 Add fetchReplica() to FsDatasetTestUtils to return FsDataset-agnostic Replica. Minor test Tony Wu Tony Wu
HDFS-9282 Make data directory count and storage raw capacity related tests FsDataset-agnostic Minor test Tony Wu Tony Wu
HADOOP-12344 Improve validateSocketPathSecurity0 error message Trivial net Casey Brotherton Casey Brotherton
HDFS-9398 Make ByteArraryManager log message in one-line format Minor hdfs-client Mingliang Liu Mingliang Liu
HDFS-9234 WebHdfs : getContentSummary() should give quota for storage types Major webhdfs Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-9369 Use ctest to run tests for hadoop-hdfs-native-client Minor . Haohui Mai Haohui Mai
HADOOP-12562 Make hadoop dockerfile usable by Yetus Major build Allen Wittenauer Allen Wittenauer
YARN-4287 Capacity Scheduler: Rack Locality improvement Major capacityscheduler Nathan Roberts Nathan Roberts
MAPREDUCE-5485 Allow repeating job commit by extending OutputCommitter API Critical . Nemon Lou Junping Du
MAPREDUCE-6499 Add elapsed time for retired job in JobHistoryServer WebUI Major webapps Yiqun Lin Yiqun Lin
HDFS-9252 Change TestFileTruncate to use FsDatasetTestUtils to get block file size and genstamp. Major . Lei (Eddy) Xu Lei (Eddy) Xu
HADOOP-12568 Update core-default.xml to describe posixGroups support Minor documentation Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4279 Mark ApplicationId and ApplicationAttemptId static methods as @Public, @Unstable Minor client Steve Loughran Steve Loughran
HADOOP-12575 Add build instruction for docker toolbox instead of boot2docker Trivial documentation Kai Sasaki Kai Sasaki
HDFS-8056 Decommissioned dead nodes should continue to be counted as dead after NN restart Major . Ming Ma Ming Ma
HADOOP-11901 BytesWritable fails to support 2G chunks due to integer overflow Major . Reynold Xin Reynold Xin
HDFS-9439 Include status of closeAck into exception message in DataNode#run Trivial . Xiao Chen Xiao Chen
HDFS-9402 Switch DataNode.LOG to use slf4j Minor . Walter Su Walter Su
HDFS-3302 Review and improve HDFS trash documentation Major documentation Harsh J Madhu Kiran
HADOOP-10035 Cleanup TestFilterFileSystem Major . Suresh Srinivas Suresh Srinivas
HADOOP-10555 Add offset support to MurmurHash Trivial . Sergey Shelukhin Sergey Shelukhin
HADOOP-10068 Improve log4j regex in testFindContainingJar Trivial . Robert Rati Robert Rati
HDFS-9024 Deprecate the TotalFiles metric Major . Akira Ajisaka Akira Ajisaka
HDFS-7988 Replace usage of ExactSizeInputStream with LimitInputStream. Minor . Chris Nauroth Walter Su
HDFS-9314 Improve BlockPlacementPolicyDefault’s picking of excess replicas Major . Ming Ma Xiao Chen
MAPREDUCE-5870 Support for passing Job priority through Application Submission Context in Mapreduce Side Major client Sunil G Sunil G
HDFS-9434 Recommission a datanode with 500k blocks may pause NN for 30 seconds Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-4132 Separate configs for nodemanager to resourcemanager connection timeout and retries Major nodemanager Chang Li Chang Li
HDFS-8512 WebHDFS : GETFILESTATUS should return LocatedBlock with storage type info Major webhdfs Sumana Sathish Xiaoyu Yao
HADOOP-12600 FileContext and AbstractFileSystem should be annotated as a Stable interface. Blocker fs Chris Nauroth Chris Nauroth
HDFS-9269 Update the documentation and wrapper for fuse-dfs Minor fuse-dfs Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9485 Make BlockManager#removeFromExcessReplicateMap accept BlockInfo instead of Block Minor namenode Mingliang Liu Mingliang Liu
HDFS-9490 MiniDFSCluster should change block generation stamp via FsDatasetTestUtils Minor test Tony Wu Tony Wu
HDFS-8831 Trash Support for deletion in HDFS encryption zone Major encryption Xiaoyu Yao Xiaoyu Yao
HDFS-9474 TestPipelinesFailover should not fail when printing debug message Major . Yongjun Zhang John Zhuge
YARN-3456 Improve handling of incomplete TimelineEntities Minor timelineserver Steve Loughran Varun Saxena
HDFS-9527 The return type of FSNamesystem.getBlockCollection should be changed to INodeFile Minor namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-9472 concat() API does not give proper exception messages on ./reserved relative path Major namenode Rakesh R Rakesh R
HDFS-9532 Detailed exception info is lost in reportTo method of ErrorReportAction and ReportBadBlockAction Trivial datanode Yongjun Zhang Yongjun Zhang
HDFS-9528 Cleanup namenode audit/log/exception messages Minor namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8860 Remove unused Replica copyOnWrite code Major . Lei (Eddy) Xu Lei (Eddy) Xu
MAPREDUCE-6436 JobHistory cache issue Blocker . Ryu Kobayashi Kai Sasaki
HADOOP-12639 Imrpove JavaDoc for getTrimmedStrings Trivial util BELUGA BEHR BELUGA BEHR
HDFS-9557 Reduce object allocation in PB conversion Major hdfs-client Daryn Sharp Daryn Sharp
YARN-4207 Add a non-judgemental YARN app completion status Major . Sergey Shelukhin Rich Haase
HDFS-9198 Coalesce IBR processing in the NN Major namenode Daryn Sharp Daryn Sharp
HDFS-9552 Document types of permission checks performed for HDFS operations. Major documentation Chris Nauroth Chris Nauroth
HADOOP-12570 HDFS Secure Mode Documentation updates Major documentation Arpit Agarwal Arpit Agarwal
YARN-4480 Clean up some inappropriate imports Major . Kai Zheng Kai Zheng
YARN-4290 Add -showDetails option to YARN Nodes CLI to print all nodes reports information Major client Wangda Tan Sunil G
YARN-4400 AsyncDispatcher.waitForDrained should be final Trivial yarn Daniel Templeton Daniel Templeton
MAPREDUCE-6584 Remove trailing whitespaces from mapred-default.xml Major documentation Akira Ajisaka Akira Ajisaka
HADOOP-12686 Update FileSystemShell documentation to mention the meaning of each columns of fs -du Minor documentation, fs Daisuke Kobayashi Daisuke Kobayashi
YARN-4544 All the log messages about rolling monitoring interval are shown with WARN level Minor log-aggregation, nodemanager Takashi Ohnishi Takashi Ohnishi
YARN-4438 Implement RM leader election with curator Major . Jian He Jian He
HDFS-9630 DistCp minor refactoring and clean up Minor distcp Kai Zheng Kai Zheng
YARN-4582 Label-related invalid resource request exception should be able to properly handled by application Major scheduler Bibin A Chundatt Bibin A Chundatt
HDFS-9569 Log the name of the fsimage being loaded for better supportability Trivial namenode Yongjun Zhang Yongjun Zhang
MAPREDUCE-6473 Job submission can take a long time during Cluster initialization Major performance Kuhu Shukla Kuhu Shukla
HDFS-9415 Document dfs.cluster.administrators and dfs.permissions.superusergroup Major documentation Arpit Agarwal Xiaobing Zhou
HDFS-6054 MiniQJMHACluster should not use static port to avoid binding failure in unit test Major test Brandon Li Yongjun Zhang
YARN-4492 Add documentation for preemption supported in Capacity scheduler Minor capacity scheduler Naganarasimha G R Naganarasimha G R
YARN-4371 “yarn application -kill” should take multiple application ids Major . Tsuyoshi Ozawa Sunil G
HDFS-9653 Expose the number of blocks pending deletion through dfsadmin report command Major hdfs-client, tools Weiwei Yang Weiwei Yang
HADOOP-12731 Remove useless boxing/unboxing code Minor performance Kousuke Saruta Kousuke Saruta
HDFS-9654 Code refactoring for HDFS-8578 Minor datanode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-9706 Log more details in debug logs in BlockReceiver’s constructor Minor . Xiao Chen Xiao Chen
HDFS-9638 Improve DistCp Help and documentation Minor distcp Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9566 Remove expensive ‘BlocksMap#getStorages(Block b, final DatanodeStorage.State state)’ method Major namenode Daryn Sharp Daryn Sharp
HDFS-9721 Allow Delimited PB OIV tool to run upon fsimage that contains INodeReference Major . Xiao Chen Xiao Chen
HDFS-9669 TcpPeerServer should respect ipc.server.listen.queue.size Major . Elliott Clark Elliott Clark
HDFS-9715 Check storage ID uniqueness on datanode startup Major datanode Lei (Eddy) Xu Lei (Eddy) Xu
YARN-4662 Document some newly added metrics Major . Jian He Jian He
HDFS-9629 Update the footer of Web UI to show year 2016 Major . Xiao Chen Xiao Chen
MAPREDUCE-6566 Add retry support to mapreduce CLI tool Major . Varun Vasudev Varun Vasudev
HDFS-9726 Refactor IBR code to a new class Minor datanode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-12772 NetworkTopologyWithNodeGroup.getNodeGroup() can loop infinitely for invalid ‘loc’ values Minor . Kuhu Shukla Kuhu Shukla
HADOOP-12758 Extend CSRF Filter with UserAgent Checks Major security Larry McCay Larry McCay
HDFS-9686 Remove useless boxing/unboxing code Minor performance Kousuke Saruta Kousuke Saruta
MAPREDUCE-6626 Reuse ObjectMapper instance in MapReduce Minor performance Yiqun Lin Yiqun Lin
HADOOP-12788 OpensslAesCtrCryptoCodec should log which random number generator is used. Minor . Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12764 Increase default value of KMS maxHttpHeaderSize and make it configurable Minor . Zhe Zhang Zhe Zhang
HADOOP-12776 Remove getaclstatus call for non-acl commands in getfacl. Major . Brahma Reddy Battula Brahma Reddy Battula
HDFS-9768 Reuse objectMapper instance in HDFS to improve the performance Major performance Yiqun Lin Yiqun Lin
HDFS-9644 Update encryption documentation to reflect nested EZs Major documentation, encryption Zhe Zhang Zhe Zhang
HDFS-9700 DFSClient and DFSOutputStream should set TCP_NODELAY on sockets for DataTransferProtocol Major hdfs-client Gary Helmling Gary Helmling
HDFS-9797 Log Standby exceptions thrown by RequestHedgingProxyProvider at DEBUG Level Minor hdfs-client Íñigo Goiri Íñigo Goiri
YARN-4682 AMRM client to log when AMRM token updated Major client Steve Loughran Prabhu Joseph
HADOOP-12805 Annotate CanUnbuffer with @InterfaceAudience.Public Major . Ted Yu Ted Yu
YARN-4690 Skip object allocation in FSAppAttempt#getResourceUsage when possible Major . Ming Ma Ming Ma
HADOOP-10865 Add a Crc32 chunked verification benchmark for both directly and non-directly buffer cases Minor util Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4946 Allow preferLocalNode in BlockPlacementPolicyDefault to be configurable Major namenode James Kinley Nathan Roberts
HADOOP-11031 Design Document for Credential Provider API Major site Larry McCay Larry McCay
HADOOP-12828 Print user when services are started Trivial . Brandon Li Wei-Chiu Chuang
HADOOP-12794 Support additional compression levels for GzipCodec Major io Ravi Mutyala Ravi Mutyala
HDFS-9425 Expose number of blocks per volume as a metric Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12668 Support excluding weak Ciphers in HttpServer2 through ssl-server.xml Critical security Vijay Singh Vijay Singh
HADOOP-12555 WASB to read credentials from a credential provider Minor fs/azure Chris Nauroth Larry McCay
HDFS-8578 On upgrade, Datanode should process all storage/data dirs in parallel Critical datanode Raju Bairishetti Vinayakumar B
HADOOP-12535 Run FileSystem contract tests with hadoop-azure. Major fs/azure, test Chris Nauroth madhumita chakraborty
HDFS-9854 Log cipher suite negotiation more verbosely Major encryption Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9843 Document distcp options required for copying between encrypted locations Major distcp, documentation, encryption Xiaoyu Yao Xiaoyu Yao
HADOOP-12824 Collect network and disk usage on the node running Windows Major . Íñigo Goiri Íñigo Goiri
YARN-4720 Skip unnecessary NN operations in log aggregation Major . Ming Ma Jun Gong
HDFS-9831 Document webhdfs retry configuration keys introduced by HDFS-5219/HDFS-5122 Major documentation, webhdfs Xiaoyu Yao Xiaobing Zhou
HDFS-9710 Change DN to send block receipt IBRs in batches Major datanode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
MAPREDUCE-6622 Add capability to set JHS job cache to a task-based limit Critical jobhistoryserver Ray Chiang Ray Chiang
YARN-4671 There is no need to acquire CS lock when completing a container Major . MENG DING MENG DING
HADOOP-12853 Change WASB documentation regarding page blob support Minor fs/azure madhumita chakraborty madhumita chakraborty
HDFS-9887 WebHdfs socket timeouts should be configurable Major fs, webhdfs Austin Donnelly Austin Donnelly
HADOOP-12859 Disable hiding field style checks in class setters Major . Kai Zheng Kai Zheng
HDFS-9534 Add CLI command to clear storage policy from a path. Major tools Chris Nauroth Xiaobing Zhou
HADOOP-12793 Write a new group mapping service guide Major documentation Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12470 In-page TOC of documentation should be automatically generated by doxia macro Major documentation Masatake Iwasaki Masatake Iwasaki
HDFS-9889 Update balancer/mover document about HDFS-6133 feature Minor . Yongjun Zhang Yongjun Zhang
MAPREDUCE-6648 Add yarn.app.mapreduce.am.log.level to mapred-default.xml Trivial documentation Harsh J Harsh J
HDFS-9906 Remove spammy log spew when a datanode is restarted Major namenode Elliott Clark Brahma Reddy Battula
HADOOP-12901 Add warning log when KMSClientProvider cannot create a connection to the KMS server Minor . Xiao Chen Xiao Chen
HADOOP-12789 log classpath of ApplicationClassLoader at INFO level Minor util Sangjin Lee Sangjin Lee
HDFS-9882 Add heartbeatsTotal in Datanode metrics Minor datanode Hua Liu Hua Liu
HADOOP-12860 Expand section “Data Encryption on HTTP” in SecureMode documentation Minor . Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4465 SchedulerUtils#validateRequest for Label check should happen only when nodelabel enabled Minor . Bibin A Chundatt Bibin A Chundatt
HADOOP-12904 Update Yetus to 0.2.0 Blocker build Allen Wittenauer Allen Wittenauer
HADOOP-12798 Update changelog and release notes (2016-03-04) Major documentation Allen Wittenauer Allen Wittenauer
HADOOP-12905 Clean up CHANGES.txt RAT exclusions from pom.xml files. Trivial build Chris Nauroth Chris Nauroth
HDFS-9927 Document the new OIV ReverseXML processor Minor documentation Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9942 Add an HTrace span when refreshing the groups for a username Major . Colin P. McCabe Colin P. McCabe
HDFS-9941 Do not log StandbyException on NN, other minor logging fixes Major namenode Arpit Agarwal Arpit Agarwal
HADOOP-12923 Move the test code in ipc.Client to test Minor ipc Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-9405 Warmup NameNode EDEK caches in background thread Major encryption, namenode Zhe Zhang Xiao Chen
HDFS-9951 Use string constants for XML tags in OfflineImageReconstructor Minor . Yiqun Lin Yiqun Lin
HADOOP-12947 Update documentation Hadoop Groups Mapping to add static group mapping, negative cache Minor documentation, security Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4117 End to end unit test with mini YARN cluster for AMRMProxy Service Major nodemanager, resourcemanager Kishore Chaliparambil Giovanni Matteo Fumarola
HADOOP-10965 Print fully qualified path in CommandWithDestination error messages Minor . André Kelpe John Zhuge
MAPREDUCE-6663 [NNBench] Refactor nnbench as a Tool implementation. Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12886 Exclude weak ciphers in SSLFactory through ssl-server.xml Major . Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4884 Fix missing documentation about rmadmin command regarding node labels Minor . Kai Sasaki Kai Sasaki
HADOOP-12916 Allow RPC scheduler/callqueue backoff using response times Major ipc Xiaoyu Yao Xiaoyu Yao
HADOOP-12950 ShutdownHookManager should have a timeout for each of the Registered shutdown hook Major . Xiaoyu Yao Xiaoyu Yao
HADOOP-11661 Deprecate FileUtil#copyMerge Major util Brahma Reddy Battula Brahma Reddy Battula
HADOOP-11687 Ignore x-* and response headers when copying an Amazon S3 object Major fs/s3 Denis Jannot Harsh J
HADOOP-11212 NetUtils.wrapException to handle SocketException explicitly Major util Steve Loughran Steve Loughran
HADOOP-12672 RPC timeout should not override IPC ping interval Major ipc Masatake Iwasaki Masatake Iwasaki
HDFS-10235 [NN UI] Last contact for Live Nodes should be relative time Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-8813 RPC Server and Client classes need InterfaceAudience and InterfaceStability annotations Trivial ipc Brandon Li Brandon Li
YARN-4756 Unnecessary wait in Node Status Updater during reboot Major . Eric Badger Eric Badger
HADOOP-12951 Improve documentation on KMS ACLs and delegation tokens Major . Xiao Chen Xiao Chen
HADOOP-12994 Specify PositionedReadable, add contract tests, fix problems Major fs Steve Loughran Steve Loughran
YARN-4630 Remove useless boxing/unboxing code Minor yarn Kousuke Saruta Kousuke Saruta
HDFS-10279 Improve validation of the configured number of tolerated failed volumes Major . Yiqun Lin Yiqun Lin
HADOOP-12822 Change “Metrics intern cache overflow” log level from WARN to INFO Minor metrics Akira Ajisaka Andras Bokor
HADOOP-12969 Mark IPC.Client and IPC.Server as @Public, @Evolving Minor ipc Xiaobing Zhou Xiaobing Zhou
HADOOP-12963 Allow using path style addressing for accessing the s3 endpoint Minor fs/s3 Andrew Baptist Stephen Montgomery
HDFS-10280 Document new dfsadmin command -evictWriters Minor documentation Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-10292 Add block id when client got Unable to close file exception Minor . Brahma Reddy Battula Brahma Reddy Battula
HDFS-9412 getBlocks occupies FSLock and takes too long to complete Major . He Tianyi He Tianyi
HDFS-10302 BlockPlacementPolicyDefault should use default replication considerload value Trivial . Yiqun Lin Yiqun Lin
HDFS-10264 Logging improvements in FSImageFormatProtobuf.Saver Major namenode Konstantin Shvachko Xiaobing Zhou
HADOOP-12985 Support MetricsSource interface for DecayRpcScheduler Metrics Major . Xiaoyu Yao Xiaoyu Yao
HDFS-9894 Add unsetStoragePolicy API to FileContext/AbstractFileSystem and derivatives Major . Xiaobing Zhou Xiaobing Zhou
HADOOP-12891 S3AFileSystem should configure Multipart Copy threshold and chunk size Major fs/s3 Andrew Olson Andrew Olson
HADOOP-13033 Add missing Javadoc enries to Interns.java Minor metrics Andras Bokor Andras Bokor
HDFS-10298 Document the usage of distcp -diff option Major distcp, documentation Akira Ajisaka Takashi Ohnishi
HADOOP-13039 Add documentation for configuration property ipc.maximum.data.length for controlling maximum RPC message size. Major documentation Chris Nauroth Mingliang Liu
HDFS-10330 Add Corrupt Blocks Information in Metasave Output Major . Kuhu Shukla Kuhu Shukla
HADOOP-5470 RunJar.unJar() should write the last modified time found in the jar entry to the uncompressed file Minor util Colin Evans Andras Bokor
HDFS-3702 Add an option for NOT writing the blocks locally if there is a datanode on the same box as the client Minor hdfs-client Nicolas Liochon Lei (Eddy) Xu
HDFS-10297 Increase default balance bandwidth and concurrent moves Minor balancer & mover John Zhuge John Zhuge
HADOOP-12957 Limit the number of outstanding async calls Major ipc Xiaobing Zhou Xiaobing Zhou
HDFS-9902 Support different values of dfs.datanode.du.reserved per storage type Major datanode Pan Yuxuan Brahma Reddy Battula
HADOOP-13103 Group resolution from LDAP may fail on javax.naming.ServiceUnavailableException Minor security Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
MAPREDUCE-6678 Allow ShuffleHandler readahead without drop-behind Major nodemanager Nathan Roberts Nathan Roberts
HADOOP-12982 Document missing S3A and S3 properties Minor documentation, fs/s3, tools Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4995 FairScheduler: Display per-queue demand on the scheduler page Minor . xupeng xupeng
HADOOP-12868 Fix hadoop-openstack undeclared and unused dependencies Major tools Allen Wittenauer Masatake Iwasaki
HADOOP-12971 FileSystemShell doc should explain relative path Critical documentation John Zhuge John Zhuge
HADOOP-13148 TestDistCpViewFs to include IOExceptions in test error reports Minor tools/distcp Steve Loughran Steve Loughran
HADOOP-13146 Refactor RetryInvocationHandler Minor io Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-10383 Safely close resources in DFSTestUtil Major test Mingliang Liu Mingliang Liu
YARN-4002 make ResourceTrackerService.nodeHeartbeat more concurrent Critical . Hong Zhiguo Hong Zhiguo
HDFS-10417 Improve error message from checkBlockLocalPathAccess Minor datanode Tianyin Xu Tianyin Xu
HADOOP-13168 Support Future.get with timeout in ipc async calls Major ipc Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-13145 In DistCp, prevent unnecessary getFileStatus call when not preserving metadata. Major tools/distcp Chris Nauroth Chris Nauroth
HADOOP-13198 Add support for OWASP’s dependency-check Minor build, security Mike Yoder Mike Yoder
HDFS-10217 show ‘blockScheduled’ tooltip in datanodes table. Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13199 Add doc for distcp -filters Trivial documentation John Zhuge John Zhuge
HADOOP-13193 Upgrade to Apache Yetus 0.3.0 Major build, documentation, test Allen Wittenauer Kengo Seki
HADOOP-13197 Add non-decayed call metrics for DecayRpcScheduler Major ipc, metrics Xiaoyu Yao Xiaoyu Yao
HDFS-10341 Add a metric to expose the timeout number of pending replication blocks Major . Akira Ajisaka Akira Ajisaka
HADOOP-13105 Support timeouts in LDAP queries in LdapGroupsMapping. Major security Chris Nauroth Mingliang Liu
HADOOP-12807 S3AFileSystem should read AWS credentials from environment variables Minor fs/s3 Tobin Baker Tobin Baker
MAPREDUCE-5044 Have AM trigger jstack on task attempts that timeout before killing them Major mr-am Jason Lowe Eric Payne
HADOOP-10048 LocalDirAllocator should avoid holding locks while accessing the filesystem Major . Jason Lowe Jason Lowe
MAPREDUCE-6714 Refactor UncompressedSplitLineReader.fillBuffer() Major . Daniel Templeton Daniel Templeton
HADOOP-12943 Add -w -r options in dfs -test command Major fs, scripts, tools Weiwei Yang Weiwei Yang
HDFS-10493 Add links to datanode web UI in namenode datanodes page Major namenode, ui Weiwei Yang Weiwei Yang
HADOOP-13296 Cleanup javadoc for Path Minor documentation Daniel Templeton Daniel Templeton
HDFS-7597 DelegationTokenIdentifier should cache the TokenIdentifier to UGI mapping Critical webhdfs Daryn Sharp Daryn Sharp
HADOOP-13307 add rsync to Dockerfile so that precommit archive works Trivial build Allen Wittenauer Allen Wittenauer
HADOOP-13067 cleanup the dockerfile Major . Allen Wittenauer Allen Wittenauer
HADOOP-13227 AsyncCallHandler should use an event driven architecture to handle async calls Major io, ipc Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-13263 Reload cached groups in background after expiry Major . Stephen O’Donnell Stephen O’Donnell
HDFS-10440 Improve DataNode web UI Major datanode, ui Weiwei Yang Weiwei Yang
HADOOP-13239 Deprecate s3:// in branch-2 Major fs/s3 Mingliang Liu Mingliang Liu
HDFS-10582 Change deprecated configuration fs.checkpoint.dir to dfs.namenode.checkpoint.dir in HDFS Commands Doc Minor documentation Pan Yuxuan Pan Yuxuan
HDFS-10488 Update WebHDFS documentation regarding CREATE and MKDIR default permissions Minor documentation, webhdfs Wellington Chevreuil Wellington Chevreuil
HDFS-10300 TestDistCpSystem should share MiniDFSCluster Trivial test John Zhuge John Zhuge
HADOOP-13290 Appropriate use of generics in FairCallQueue Major ipc Konstantin Shvachko Jonathan Hung
HADOOP-13289 Remove unused variables in TestFairCallQueue Minor test Konstantin Shvachko Ye Zhou
HDFS-10628 Log HDFS Balancer exit message to its own log Minor balancer & mover Jiayi Zhou Jiayi Zhou
HADOOP-13298 Fix the leftover L&N files in hadoop-build-tools/src/main/resources/META-INF/ Minor . Xiao Chen Tsuyoshi Ozawa
YARN-4883 Make consistent operation name in AdminService Minor resourcemanager Kai Sasaki Kai Sasaki
YARN-1126 Add validation of users input nodes-states options to nodes CLI Major . Wei Yan Wei Yan
HDFS-10287 MiniDFSCluster should implement AutoCloseable Minor test John Zhuge Andras Bokor
HDFS-10225 DataNode hot swap drives should disallow storage type changes. Major datanode Lei (Eddy) Xu Lei (Eddy) Xu
HDFS-10660 Expose storage policy apis via HDFSAdmin interface Major . Rakesh R Rakesh R
HDFS-9937 Update dfsadmin command line help and HdfsQuotaAdminGuide Minor . Wei-Chiu Chuang Kai Sasaki
HDFS-10667 Report more accurate info about data corruption location Major datanode, hdfs Yongjun Zhang Yuanbo Liu
HDFS-10676 Add namenode metric to measure time spent in generating EDEKs Major namenode Hanisha Koneru Hanisha Koneru
MAPREDUCE-6746 Replace org.apache.commons.io.Charsets with java.nio.charset.StandardCharsets Minor . Vincent Poon Vincent Poon
HDFS-10703 HA NameNode Web UI should show last checkpoint time Minor ui John Zhuge John Zhuge
MAPREDUCE-6729 Accurately compute the test execute time in DFSIO Minor benchmarks, performance, test mingleizhang mingleizhang
HADOOP-13444 Replace org.apache.commons.io.Charsets with java.nio.charset.StandardCharsets Minor . Vincent Poon Vincent Poon
YARN-5456 container-executor support for FreeBSD, NetBSD, and others if conf path is absolute Major nodemanager, security Allen Wittenauer Allen Wittenauer
MAPREDUCE-6730 Use StandardCharsets instead of String overload in TextOutputFormat Minor . Sahil Kang Sahil Kang
HDFS-10707 Replace org.apache.commons.io.Charsets with java.nio.charset.StandardCharsets Minor . Vincent Poon Vincent Poon
HADOOP-13442 Optimize UGI group lookups Major . Daryn Sharp Daryn Sharp
HADOOP-13466 Add an AutoCloseableLock class Major . Chen Liang Chen Liang
YARN-5483 Optimize RMAppAttempt#pullJustFinishedContainers Major . sandflee sandflee
HADOOP-13190 Mention LoadBalancingKMSClientProvider in KMS HA documentation Major documentation, kms Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-10677 Über-jira: Enhancements to NNThroughputBenchmark tool Major benchmarks, tools Mingliang Liu Mingliang Liu
HDFS-10342 BlockManager#createLocatedBlocks should not check corrupt replicas if none are corrupt Major hdfs Daryn Sharp Kuhu Shukla
HDFS-10682 Replace FsDatasetImpl object lock with a separate lock object Major datanode Chen Liang Chen Liang
HADOOP-13503 Improve SaslRpcClient failure logging Major security Xiaobing Zhou Xiaobing Zhou
HADOOP-13527 Add Spark to CallerContext LimitedPrivate scope Minor ipc Weiqing Yang Weiqing Yang
MAPREDUCE-6587 Remove unused params in connection-related methods of Fetcher Minor . Yiqun Lin Yiqun Lin
HADOOP-13538 Deprecate getInstance and initialize methods with Path in TrashPolicy Minor . Yiqun Lin Yiqun Lin
HDFS-8986 Add option to -du to calculate directory space usage excluding snapshots Major snapshots Gautam Gopalakrishnan Xiao Chen
HDFS-10798 Make the threshold of reporting FSNamesystem lock contention configurable Major logging, namenode Zhe Zhang Erik Krogen
YARN-5550 TestYarnCLI#testGetContainers should format according to CONTAINER_PATTERN Minor client, test Jonathan Hung Jonathan Hung
HDFS-10814 Add assertion for getNumEncryptionZones when no EZ is created Minor test Vinitha Reddy Gankidi Vinitha Reddy Gankidi
HDFS-10817 Add Logging for Long-held NN Read Locks Major logging, namenode Erik Krogen Erik Krogen
HADOOP-13465 Design Server.Call to be extensible for unified call queue Major ipc Daryn Sharp Daryn Sharp
HDFS-10833 Fix JSON errors in WebHDFS.md examples Trivial documentation Andrew Wang Andrew Wang
HDFS-10742 Measure lock time in FsDatasetImpl Major datanode Chen Liang Chen Liang
HDFS-10831 Add log when URLConnectionFactory.openConnection failed Minor webhdfs yunjiong zhao yunjiong zhao
HADOOP-13598 Add eol=lf for unix format files in .gitattributes Major . Akira Ajisaka Yiqun Lin
HADOOP-13580 If user is unauthorized, log “unauthorized” instead of “Invalid signed text:” Minor security Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-10489 Deprecate dfs.encryption.key.provider.uri for HDFS encryption zones Minor . Xiao Chen Xiao Chen
YARN-5540 scheduler spends too much time looking at empty priorities Major capacity scheduler, fairscheduler, resourcemanager Nathan Roberts Jason Lowe
HADOOP-13169 Randomize file list in SimpleCopyListing Minor tools/distcp Rajesh Balamohan Rajesh Balamohan
HDFS-10875 Optimize du -x to cache intermediate result Major snapshots Xiao Chen Xiao Chen
YARN-4591 YARN Web UIs should provide a robots.txt Trivial . Lars Francke Sidharta Seethana
YARN-5622 TestYarnCLI.testGetContainers fails due to mismatched date formats Minor . Eric Badger Eric Badger
HDFS-10876 Dispatcher#dispatch should log IOException stacktrace Trivial balancer & mover Wei-Chiu Chuang Manoj Govindassamy
YARN-3692 Allow REST API to set a user generated message when killing an application Major . Rajat Jain Rohith Sharma K S
HDFS-10869 Remove the unused method InodeId#checkId() Major namenode Jagadesh Kiran N Jagadesh Kiran N
YARN-3877 YarnClientImpl.submitApplication swallows exceptions Minor client Steve Loughran Varun Saxena
HADOOP-13658 Replace config key literal strings with config key names I: hadoop common Minor conf Chen Liang Chen Liang
HADOOP-13537 Support external calls in the RPC call queue Major ipc Daryn Sharp Daryn Sharp
HADOOP-13317 Add logs to KMS server-side to improve supportability Minor kms Xiao Chen Suraj Acharya
HDFS-10940 Reduce performance penalty of block caching when not used Major namenode Daryn Sharp Daryn Sharp
YARN-4855 Should check if node exists when replace nodelabels Minor . Tao Jie Tao Jie
HDFS-10690 Optimize insertion/removal of replica in ShortCircuitCache Major hdfs-client Fenghua Hu Fenghua Hu
HADOOP-13685 Document -safely option of rm command. Major . Xiaoyu Yao Xiaoyu Yao
MAPREDUCE-6741 add MR support to redact job conf properties Major mrv2 Haibo Chen Haibo Chen
HDFS-10963 Reduce log level when network topology cannot find enough datanodes. Minor . Xiao Chen Xiao Chen
HADOOP-13323 Downgrade stack trace on FS load from Warn to debug Minor fs Steve Loughran Steve Loughran
HADOOP-13150 Avoid use of toString() in output of HDFS ACL shell commands. Minor . Chris Nauroth Chris Nauroth
HADOOP-13689 Do not attach javadoc and sources jars during non-dist build Major . Andrew Wang Andrew Wang
HADOOP-13641 Update UGI#spawnAutoRenewalThreadForUserCreds to reduce indentation Minor . Xiao Chen Huafeng Wang
HDFS-10933 Refactor TestFsck Minor . Takanobu Asanuma Takanobu Asanuma
HADOOP-13684 Snappy may complain Hadoop is built without snappy if libhadoop is not found. Minor . Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-13698 Document caveat for KeyShell when underlying KeyProvider does not delete a key Minor documentation, kms Xiao Chen Xiao Chen
HDFS-10789 Route webhdfs through the RPC call queue Major ipc, webhdfs Daryn Sharp Daryn Sharp
HDFS-10903 Replace config key literal strings with config key names II: hadoop hdfs Minor . Mingliang Liu Chen Liang
HADOOP-13710 Supress CachingGetSpaceUsed from logging interrupted exception stacktrace Minor fs Wei-Chiu Chuang Hanisha Koneru
YARN-5599 Publish AM launch command to ATS Major . Daniel Templeton Rohith Sharma K S
HDFS-11012 Unnecessary INFO logging on DFSClients for InvalidToken Minor fs Harsh J Harsh J
HDFS-11003 Expose “XmitsInProgress” through DataNodeMXBean Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13724 Fix a few typos in site markdown documents Minor documentation Andrew Wang Ding Fei
HDFS-11009 Add a tool to reconstruct block meta file from CLI Major datanode Xiao Chen Xiao Chen
HDFS-9480 Expose nonDfsUsed via StorageTypeStats Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12082 Support multiple authentication schemes via AuthenticationFilter Major security Hrishikesh Gadre Hrishikesh Gadre
HADOOP-13669 KMS Server should log exceptions before throwing Major kms Xiao Chen Suraj Acharya
HADOOP-13502 Split fs.contract.is-blobstore flag into more descriptive flags for use by contract tests. Minor test Chris Nauroth Chris Nauroth
HADOOP-13017 Implementations of InputStream.read(buffer, offset, bytes) to exit 0 if bytes==0 Major fs, io Steve Loughran Steve Loughran
HDFS-11055 Update default-log4j.properties for httpfs to imporve test logging Major httpfs, test Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4963 capacity scheduler: Make number of OFF_SWITCH assignments per heartbeat configurable Major capacityscheduler Nathan Roberts Nathan Roberts
HDFS-11047 Remove deep copies of FinalizedReplica to alleviate heap consumption on DataNode Major datanode Xiaobing Zhou Xiaobing Zhou
MAPREDUCE-6799 Document mapreduce.jobhistory.webapp.https.address in mapred-default.xml Minor documentation, jobhistoryserver Akira Ajisaka Yiqun Lin
HADOOP-12325 RPC Metrics : Add the ability track and log slow RPCs Major ipc, metrics Anu Engineer Anu Engineer
HDFS-11074 Remove unused method FsDatasetSpi#getFinalizedBlocksOnPersistentStorage Major datanode Arpit Agarwal Hanisha Koneru
MAPREDUCE-6795 Update the document for JobConf#setNumReduceTasks Major documentation Akira Ajisaka Yiqun Lin
HADOOP-13603 Ignore package line length checkstyle rule Major build Shane Kumpf Shane Kumpf
HADOOP-13583 Incorporate checkcompatibility script which runs Java API Compliance Checker Major scripts Andrew Wang Andrew Wang
HDFS-11080 Update HttpFS to use ConfigRedactor Major . Sean Mackrory Sean Mackrory
YARN-5697 Use CliParser to parse options in RMAdminCLI Major resourcemanager Tao Jie Tao Jie
HADOOP-12453 Support decoding KMS Delegation Token with its own Identifier Major kms, security Xiaoyu Yao Xiaoyu Yao
HADOOP-7930 Kerberos relogin interval in UserGroupInformation should be configurable Major security Alejandro Abdelnur Robert Kanter
YARN-5720 Update document for “rmadmin -replaceLabelOnNode” Minor . Tao Jie Tao Jie
HADOOP-13782 Make MutableRates metrics thread-local write, aggregate-on-read Major metrics Erik Krogen Erik Krogen
HADOOP-13590 Retry until TGT expires even if the UGI renewal thread encountered exception Major security Xiao Chen Xiao Chen
HDFS-11120 TestEncryptionZones should waitActive Minor test Xiao Chen John Zhuge
HDFS-10941 Improve BlockManager#processMisReplicatesAsync log Major namenode Xiaoyu Yao Chen Liang
HADOOP-13810 Add a test to verify that Configuration handles &-encoded characters Minor test Steve Loughran Steve Loughran
HADOOP-13742 Expose “NumOpenConnectionsPerUser” as a metric Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13646 Remove outdated overview.html Minor . Akira Ajisaka Brahma Reddy Battula
HADOOP-13166 add getFileStatus(“/”) test to AbstractContractGetFileStatusTest Minor fs, test Steve Loughran Steve Loughran
HADOOP-11603 Metric Snapshot log can be changed #MetricsSystemImpl.java since all the services will be initialized Minor metrics Brahma Reddy Battula Brahma Reddy Battula
HADOOP-10776 Open up already widely-used APIs for delegation-token fetching & renewal to ecosystem projects Blocker . Robert Joseph Evans Vinod Kumar Vavilapalli
HDFS-11175 Document uppercase key names are not supported in TransparentEncryption.md Minor documentation Yuanbo Liu Yiqun Lin
HADOOP-13790 Make qbt script executable Trivial scripts Andrew Wang Andrew Wang
HDFS-8674 Improve performance of postponed block scans Critical namenode Daryn Sharp Daryn Sharp
HDFS-10581 Hide redundant table on NameNode WebUI when no nodes are decomissioning Trivial hdfs, ui Weiwei Yang Weiwei Yang
HDFS-11217 Annotate NameNode and DataNode MXBean interfaces as Private/Stable Major . Akira Ajisaka Jagadesh Kiran N
HADOOP-13900 Remove snapshot version of SDK dependency from Azure Data Lake Store File System Major fs/adl Vishwajeet Dusane Vishwajeet Dusane
HDFS-11249 Redundant toString() in DFSConfigKeys.java Trivial . Akira Ajisaka Jagadesh Kiran N
YARN-5882 Test only changes from YARN-4126 Major . Andrew Wang Jian He
HDFS-11262 Remove unused variables in FSImage.java Trivial . Akira Ajisaka Jagadesh Kiran N
YARN-4994 Use MiniYARNCluster with try-with-resources in tests Trivial test Andras Bokor Andras Bokor
YARN-5709 Cleanup leader election configs and pluggability Critical resourcemanager Karthik Kambatla Karthik Kambatla
HDFS-9483 Documentation does not cover use of “swebhdfs” as URL scheme for SSL-secured WebHDFS. Major documentation Chris Nauroth Surendra Singh Lilhore
HDFS-11292 log lastWrittenTxId etc info in logSyncAll Major hdfs Yongjun Zhang Yongjun Zhang
HADOOP-13956 Read ADLS credentials from Credential Provider Critical fs/adl John Zhuge John Zhuge
HADOOP-13962 Update ADLS SDK to 2.1.4 Major fs/adl John Zhuge John Zhuge
HADOOP-13606 swift FS to add a service load metadata file Major fs/swift Steve Loughran Steve Loughran
HADOOP-13037 Refactor Azure Data Lake Store as an independent FileSystem Major fs/adl Shrikant Naidu Vishwajeet Dusane
HADOOP-13946 Document how HDFS updates timestamps in the FS spec; compare with object stores Minor documentation, fs Steve Loughran Steve Loughran
HDFS-10601 Improve log message to include hostname when the NameNode is in safemode Minor . Kuhu Shukla Kuhu Shukla
HADOOP-11694 Über-jira: S3a phase II: robustness, scale and performance Major fs/s3 Steve Loughran Steve Loughran
HDFS-8873 Allow the directoryScanner to be rate-limited Major datanode Nathan Roberts Daniel Templeton
HADOOP-12825 Log slow name resolutions Major . Sidharta Seethana Sidharta Seethana

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-8818 Should use equals() rather than == to compare String or Text in MD5MD5CRC32FileChecksum and TFileDumper Minor fs, io Brandon Li Brandon Li
HADOOP-8436 NPE In getLocalPathForWrite ( path, conf ) when the required context item is not configured Major fs Brahma Reddy Battula Brahma Reddy Battula
HADOOP-9121 InodeTree.java has redundant check for vName while throwing exception Major fs Arup Malakar Arup Malakar
HADOOP-9242 Duplicate surefire plugin config in hadoop-common Major test Andrey Klochkov Andrey Klochkov
HADOOP-8419 GzipCodec NPE upon reset with IBM JDK Major io Luke Lu Yu Li
HDFS-4366 Block Replication Policy Implementation May Skip Higher-Priority Blocks for Lower-Priority Blocks Major . Derek Dagit Derek Dagit
HADOOP-11559 Add links to RackAwareness and InterfaceClassification to site index Minor documentation Masatake Iwasaki Masatake Iwasaki
HADOOP-11581 Fix Multithreaded correctness Warnings #org.apache.hadoop.fs.shell.Ls Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-11568 Description on usage of classpath in hadoop command is incomplete. Trivial tools Archana T Archana T
HADOOP-10027 *Compressor_deflateBytesDirect passes instance instead of jclass to GetStaticObjectField Minor native Eric Abbott Hui Zheng
HDFS-5356 MiniDFSCluster shoud close all open FileSystems when shutdown() Critical test haosdent Rakesh R
YARN-3197 Confusing log generated by CapacityScheduler Minor capacityscheduler Hitesh Shah Varun Saxena
YARN-3243 CapacityScheduler should pass headroom from parent to children to make sure ParentQueue obey its capacity limits. Major capacityscheduler, resourcemanager Wangda Tan Wangda Tan
YARN-3305 AM-Used Resource for leafqueue is wrongly populated if AM ResourceRequest is less than minimumAllocation Major scheduler Rohith Sharma K S Rohith Sharma K S
YARN-3205 FileSystemRMStateStore should disable FileSystem Cache to avoid get a Filesystem with an old configuration. Major resourcemanager zhihai xu zhihai xu
MAPREDUCE-5807 Print usage for TeraSort job. Trivial examples Rohith Sharma K S Rohith Sharma K S
YARN-3351 AppMaster tracking URL is broken in HA Major webapp Anubhav Dhoot Anubhav Dhoot
HDFS-7867 Update action param from “start” to “prepare” in rolling upgrade javadoc Trivial . J.Andreina J.Andreina
MAPREDUCE-6281 Fix javadoc in Terasort Trivial . Albert Chu Albert Chu
YARN-3269 Yarn.nodemanager.remote-app-log-dir could not be configured to fully qualified path Major . Xuan Gong Xuan Gong
MAPREDUCE-6213 NullPointerException caused by job history server addr not resolvable Minor applicationmaster Peng Zhang Peng Zhang
MAPREDUCE-5448 MapFileOutputFormat#getReaders bug with invisible files/folders Minor mrv2 Maysam Yabandeh Maysam Yabandeh
MAPREDUCE-6242 Progress report log is incredibly excessive in application master Major applicationmaster Jian Fang Varun Saxena
HDFS-3325 When configuring “dfs.namenode.safemode.threshold-pct” to a value greater or equal to 1 there is mismatch in the UI report Minor . J.Andreina J.Andreina
YARN-3383 AdminService should use “warn” instead of “info” to log exception when operation fails Major resourcemanager Wangda Tan Li Lu
YARN-3397 yarn rmadmin should skip -failover Minor resourcemanager J.Andreina J.Andreina
HADOOP-11724 DistCp throws NPE when the target directory is root. Minor . Lei (Eddy) Xu Lei (Eddy) Xu
YARN-3400 [JDK 8] Build Failure due to unreported exceptions in RPCUtil Major . Robert Kanter Robert Kanter
HDFS-7990 IBR delete ack should not be delayed Major namenode Daryn Sharp Daryn Sharp
HADOOP-11760 Fix typo of javadoc in DistCp Trivial . Chen He Brahma Reddy Battula
MAPREDUCE-6294 Remove an extra parameter described in Javadoc of TockenCache Trivial . Chen He Brahma Reddy Battula
HDFS-7501 TransactionsSinceLastCheckpoint can be negative on SBNs Major namenode Harsh J Gautam Gopalakrishnan
HDFS-8002 Website refers to /trash directory Major documentation Mike Drob Brahma Reddy Battula
HDFS-7261 storageMap is accessed without synchronization in DatanodeDescriptor#updateHeartbeatState() Major . Ted Yu Brahma Reddy Battula
HDFS-7997 The first non-existing xattr should also throw IOException Minor . zhouyingchao zhouyingchao
HDFS-6945 BlockManager should remove a block from excessReplicateMap and decrement ExcessBlocks metric when the block is removed Critical namenode Akira Ajisaka Akira Ajisaka
YARN-3425 NPE from RMNodeLabelsManager.serviceStop when NodeLabelsManager.serviceInit failed Minor resourcemanager Bibin A Chundatt Bibin A Chundatt
HDFS-7922 ShortCircuitCache#close is not releasing ScheduledThreadPoolExecutors Major . Rakesh R Rakesh R
HDFS-8026 Trace FSOutputSummer#writeChecksumChunks rather than DFSOutputStream#writeChunk Minor . Colin P. McCabe Colin P. McCabe
YARN-3415 Non-AM containers can be counted towards amResourceUsage of a Fair Scheduler queue Critical fairscheduler Rohit Agarwal zhihai xu
HADOOP-11797 releasedocmaker.py needs to put ASF headers on output Major build Allen Wittenauer Allen Wittenauer
HADOOP-11800 Clean up some test methods in TestCodec.java Major test Akira Ajisaka Brahma Reddy Battula
MAPREDUCE-4844 Counters / AbstractCounters have constant references not declared final Major . Gera Shegalov Brahma Reddy Battula
YARN-3435 AM container to be allocated Appattempt AM container shown as null Trivial resourcemanager Bibin A Chundatt Bibin A Chundatt
YARN-3429 TestAMRMTokens.testTokenExpiry fails Intermittently with error message:Invalid AMRMToken Major test zhihai xu zhihai xu
HDFS-5215 dfs.datanode.du.reserved is not considered while computing available space Major datanode Brahma Reddy Battula Brahma Reddy Battula
YARN-3457 NPE when NodeManager.serviceInit fails and stopRecoveryStore called Minor nodemanager Bibin A Chundatt Bibin A Chundatt
YARN-3459 Fix failiure of TestLog4jWarningErrorMetricsAppender Blocker . Li Lu Varun Vasudev
HDFS-8046 Allow better control of getContentSummary Major . Kihwal Lee Kihwal Lee
YARN-2890 MiniYarnCluster should turn on timeline service if configured to do so Major . Mit Desai Mit Desai
HDFS-7725 Incorrect “nodes in service” metrics caused all writes to fail Major . Ming Ma Ming Ma
HDFS-8096 DatanodeMetrics#blocksReplicated will get incremented early and even for failed transfers Major datanode Vinayakumar B Vinayakumar B
YARN-3465 Use LinkedHashMap to preserve order of resource requests Major nodemanager zhihai xu zhihai xu
HDFS-8099 Change “DFSInputStream has been closed already” message to debug log level Minor hdfs-client Charles Lamb Charles Lamb
HDFS-8091 ACLStatus and XAttributes not properly presented to INodeAttributesProvider before returning to client Major namenode Arun Suresh Arun Suresh
MAPREDUCE-6266 Job#getTrackingURL should consistently return a proper URL Minor . Ray Chiang Ray Chiang
HDFS-8081 Split getAdditionalBlock() into two methods. Major . Konstantin Shvachko Konstantin Shvachko
HDFS-7939 Two fsimage_rollback_* files are created which are not deleted after rollback. Critical . J.Andreina J.Andreina
MAPREDUCE-6314 TestPipeApplication fails on trunk Major test Varun Vasudev Varun Vasudev
YARN-3466 Fix RM nodes web page to sort by node HTTP-address, #containers and node-label column Major resourcemanager, webapp Jason Lowe Jason Lowe
HDFS-7931 DistributedFIleSystem should not look for keyProvider in cache if Encryption is disabled Minor hdfs-client Arun Suresh Arun Suresh
HDFS-8111 NPE thrown when invalid FSImage filename given for “hdfs oiv_legacy” cmd Minor tools Archana T Surendra Singh Lilhore
HADOOP-11811 Fix typos in hadoop-project/pom.xml and TestAccessControlList Minor . Chen He Brahma Reddy Battula
YARN-3382 Some of UserMetricsInfo metrics are incorrectly set to root queue metrics Major webapp Rohit Agarwal Rohit Agarwal
YARN-3472 Possible leak in DelegationTokenRenewer#allTokens Major . Jian He Rohith Sharma K S
YARN-3394 WebApplication proxy documentation is incomplete Minor resourcemanager Bibin A Chundatt Naganarasimha G R
HADOOP-11819 HttpServerFunctionalTest#prepareTestWebapp should create web app directory if it does not exist. Minor . Rohith Sharma K S Rohith Sharma K S
HDFS-6666 Abort NameNode and DataNode startup if security is enabled but block access token is not enabled. Minor datanode, namenode, security Chris Nauroth Vijay Bhat
HDFS-8055 NullPointerException when topology script is missing. Major namenode Anu Engineer Anu Engineer
YARN-3266 RMContext inactiveNodes should have NodeId as map key Major resourcemanager Chengbing Liu Chengbing Liu
YARN-3436 Fix URIs in documention of YARN web service REST APIs Minor documentation, resourcemanager Bibin A Chundatt Bibin A Chundatt
HDFS-8127 NameNode Failover during HA upgrade can cause DataNode to finalize upgrade Blocker ha Jing Zhao Jing Zhao
YARN-3462 Patches applied for YARN-2424 are inconsistent between trunk and branch-2 Major . Sidharta Seethana Naganarasimha G R
HDFS-8151 Always use snapshot path as source when invalid snapshot names are used for diff based distcp Minor distcp Sushmitha Sreenivasan Jing Zhao
HDFS-7934 Update RollingUpgrade rollback documentation: should use bootstrapstandby for standby NN Critical documentation J.Andreina J.Andreina
HDFS-8149 The footer of the Web UI “Hadoop, 2014” is old Major . Akira Ajisaka Brahma Reddy Battula
HDFS-8142 DistributedFileSystem encryption zone commands should resolve relative paths Major . Rakesh R Rakesh R
MAPREDUCE-6300 Task list sort by task id broken Minor . Siqi Li Siqi Li
YARN-3021 YARN’s delegation-token handling disallows certain trust setups to operate properly over DistCp Major security Harsh J Yongjun Zhang
HDFS-8153 Error Message points to wrong parent directory in case of path component name length error Major namenode Anu Engineer Anu Engineer
YARN-3493 RM fails to come up with error “Failed to load/recover state” when mem settings are changed Critical yarn Sumana Sathish Jian He
HDFS-8043 NPE in MiniDFSCluster teardown Major test Steve Loughran Brahma Reddy Battula
HDFS-8173 NPE thrown at DataNode shutdown when HTTP server was not able to create Minor datanode Archana T Surendra Singh Lilhore
YARN-3497 ContainerManagementProtocolProxy modifies IPC timeout conf without making a copy Major client Jason Lowe Jason Lowe
MAPREDUCE-6238 MR2 can’t run local jobs with -libjars command options which is a regression from MR1 Critical mrv2 zhihai xu zhihai xu
HDFS-8179 DFSClient#getServerDefaults returns null within 1 hour of system start Blocker . Xiaoyu Yao Xiaoyu Yao
HDFS-7993 Provide each Replica details in fsck Major . Ming Ma J.Andreina
HDFS-8163 Using monotonicNow for block report scheduling causes test failures on recently restarted systems Blocker datanode Arpit Agarwal Arpit Agarwal
HADOOP-11704 DelegationTokenAuthenticationFilter must pass ipaddress instead of hostname to ProxyUsers#authorize() Major . Anubhav Dhoot Anubhav Dhoot
YARN-3495 Confusing log generated by FairScheduler Major . Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6293 Set job classloader on uber-job’s LocalContainerLauncher event thread Major mr-am Sangjin Lee Sangjin Lee
HADOOP-11846 TestCertificateUtil.testCorruptPEM failing on Jenkins JDK8 Major build, security Steve Loughran Larry McCay
HADOOP-11859 PseudoAuthenticationHandler fails with httpcomponents v4.4 Major . Eugene Koifman Eugene Koifman
MAPREDUCE-6330 Fix typo in Task Attempt API’s URL in documentations Minor documentation Ryu Kobayashi Ryu Kobayashi
HADOOP-11848 Incorrect arguments to sizeof in DomainSocket.c Major native Malcolm Kavalsky Malcolm Kavalsky
HADOOP-11868 Invalid user logins trigger large backtraces in server log Major . Chang Li Chang Li
HADOOP-11861 test-patch.sh rewrite addendum patch Major build Anu Engineer Allen Wittenauer
HADOOP-11864 JWTRedirectAuthenticationHandler breaks java8 javadocs Major build Steve Loughran Larry McCay
HDFS-4448 Allow HA NN to start in secure mode with wildcard address configured Major ha, namenode, security Aaron T. Myers Aaron T. Myers
YARN-3522 DistributedShell uses the wrong user to put timeline data Blocker timelineserver Zhijie Shen Zhijie Shen
HDFS-8147 Mover should not schedule two replicas to the same DN storage Major balancer & mover Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-11872 “hadoop dfs” command prints message about using “yarn jar” on Windows(branch-2 only) Minor scripts Varun Vasudev Varun Vasudev
HADOOP-11730 Regression: s3n read failure recovery broken Major fs/s3 Takenori Sato Takenori Sato
YARN-3516 killing ContainerLocalizer action doesn’t take effect when private localizer receives FETCH_FAILURE status. Minor nodemanager zhihai xu zhihai xu
HADOOP-11802 DomainSocketWatcher thread terminates sometimes after there is an I/O error during requestShortCircuitShm Major . Eric Payne Colin P. McCabe
HDFS-8070 Pre-HDFS-7915 DFSClient cannot use short circuit on post-HDFS-7915 DataNode Blocker caching Gopal V Colin P. McCabe
HDFS-8217 During block recovery for truncate Log new Block Id in case of copy-on-truncate is true. Major datanode Vinayakumar B Vinayakumar B
HDFS-8231 StackTrace displayed at client while QuotaByStorageType exceeds Major hdfs-client J.Andreina J.Andreina
HDFS-8191 Fix byte to integer casting in SimulatedFSDataset#simulatedByte Minor . Zhe Zhang Zhe Zhang
YARN-3387 Previous AM’s container complete message couldn’t pass to current am if am restarted and rm changed Critical resourcemanager sandflee sandflee
HADOOP-11876 Refactor code to make it more readable, minor maybePrintStats bug Trivial tools/distcp Zoran Dimitrijevic Zoran Dimitrijevic
YARN-3444 Fix typo capabililty Trivial applications/distributed-shell Gabor Liptak Gabor Liptak
YARN-3537 NPE when NodeManager.serviceInit fails and stopRecoveryStore invoked Major nodemanager Brahma Reddy Battula Brahma Reddy Battula
HDFS-8211 DataNode UUID is always null in the JMX counter Major datanode Anu Engineer Anu Engineer
MAPREDUCE-6333 TestEvents,TestAMWebServicesTasks,TestAppController are broken due to MAPREDUCE-6297 Major . Siqi Li Siqi Li
HDFS-8206 Fix the typos in hadoop-hdfs-httpfs Major . Brahma Reddy Battula Brahma Reddy Battula
YARN-3464 Race condition in LocalizerRunner kills localizer before localizing all resources Critical nodemanager zhihai xu zhihai xu
MAPREDUCE-6252 JobHistoryServer should not fail when encountering a missing directory Major jobhistoryserver Craig Welch Craig Welch
YARN-3530 ATS throws exception on trying to filter results without otherinfo. Critical timelineserver Sreenath Somarajapuram Zhijie Shen
HDFS-8205 CommandFormat#parse() should not parse option as value of option Blocker . Peter Shi Peter Shi
HADOOP-11870 [JDK8] AuthenticationFilter, CertificateUtil, SignerSecretProviders, KeyAuthorizationKeyProvider Javadoc issues Major build Robert Kanter Robert Kanter
MAPREDUCE-6324 Uber jobs fail to update AMRM token when it rolls over Blocker mr-am Jason Lowe Jason Lowe
HDFS-8232 Missing datanode counters when using Metrics2 sink interface Major datanode Anu Engineer Anu Engineer
MAPREDUCE-6334 Fetcher#copyMapOutput is leaking usedMemory upon IOException during InMemoryMapOutput shuffle handler Blocker . Eric Payne Eric Payne
HDFS-8273 FSNamesystem#Delete() should not call logSync() when holding the lock Blocker namenode Jing Zhao Haohui Mai
YARN-3485 FairScheduler headroom calculation doesn’t consider maxResources for Fifo and FairShare policies Critical fairscheduler Karthik Kambatla Karthik Kambatla
HDFS-8269 getBlockLocations() does not resolve the .reserved path and generates incorrect edit logs when updating the atime Blocker . Yesha Vora Haohui Mai
YARN-3517 RM web ui for dumping scheduler logs should be for admins only Blocker resourcemanager, security Varun Vasudev Varun Vasudev
HDFS-8214 Secondary NN Web UI shows wrong date for Last Checkpoint Major namenode Charles Lamb Charles Lamb
YARN-3533 Test: Fix launchAM in MockRM to wait for attempt to be scheduled Major yarn Anubhav Dhoot Anubhav Dhoot
MAPREDUCE-6339 Job history file is not flushed correctly because isTimerActive flag is not set true when flushTimerTask is scheduled. Critical mrv2 zhihai xu zhihai xu
HADOOP-11821 Fix findbugs warnings in hadoop-sls Major tools Akira Ajisaka Brahma Reddy Battula
YARN-3564 Fix TestContainerAllocation.testAMContainerAllocationWhenDNSUnavailable fails randomly Major . Jian He Jian He
HADOOP-11891 OsSecureRandom should lazily fill its reservoir Major security Arun Suresh Arun Suresh
HADOOP-11866 increase readability and reliability of checkstyle, shellcheck, and whitespace reports Minor . Naganarasimha G R Allen Wittenauer
HDFS-8292 Move conditional in fmt_time from dfs-dust.js to status.html Minor namenode Charles Lamb Charles Lamb
HDFS-8300 Fix unit test failures and findbugs warning caused by HDFS-8283 Major . Jing Zhao Jing Zhao
HDFS-8276 LazyPersistFileScrubber should be disabled if scrubber interval configured zero Major namenode Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-11889 Make checkstyle runnable from root project Major build, test Gera Shegalov Gera Shegalov
HDFS-8213 DFSClient should use hdfs.client.htrace HTrace configuration prefix rather than hadoop.htrace Critical . Billie Rinaldi Colin P. McCabe
HDFS-8229 LAZY_PERSIST file gets deleted after NameNode restart. Major namenode Surendra Singh Lilhore Surendra Singh Lilhore
YARN-2893 AMLaucher: sporadic job failures due to EOFException in readTokenStorageStream Major resourcemanager Gera Shegalov zhihai xu
HADOOP-11491 HarFs incorrectly declared as requiring an authority Critical fs Gera Shegalov Brahma Reddy Battula
HADOOP-11900 Add failIfNoTests=false to hadoop-build-tools pom Major test Gera Shegalov Gera Shegalov
MAPREDUCE-6345 Documentation fix for when CRLA is enabled for MRAppMaster logs Trivial documentation Rohit Agarwal Rohit Agarwal
YARN-2454 Fix compareTo of variable UNBOUNDED in o.a.h.y.util.resource.Resources. Major . Xu Yang Xu Yang
YARN-1993 Cross-site scripting vulnerability in TextView.java Major webapp Ted Yu Kenji Kikushima
MAPREDUCE-5905 CountersStrings.toEscapedCompactStrings outputs unnecessary “null” strings Minor . Akira Ajisaka Akira Ajisaka
MAPREDUCE-6349 Fix typo in property org.apache.hadoop.mapreduce.lib.chain.Chain.REDUCER_INPUT_VALUE_CLASS Minor . Ray Chiang Ray Chiang
HADOOP-9658 SnappyCodec#checkNativeCodeLoaded may unexpectedly fail when native code is not loaded Major . Zhijie Shen Zhijie Shen
YARN-3097 Logging of resource recovery on NM restart has redundancies Minor nodemanager Jason Lowe Eric Payne
HDFS-8290 WebHDFS calls before namesystem initialization can cause NullPointerException. Minor webhdfs Chris Nauroth Chris Nauroth
MAPREDUCE-5649 Reduce cannot use more than 2G memory for the final merge Major mrv2 stanley shi Gera Shegalov
MAPREDUCE-6259 IllegalArgumentException due to missing job submit time Major jobhistoryserver zhihai xu zhihai xu
YARN-3375 NodeHealthScriptRunner.shouldRun() check is performing 3 times for starting NodeHealthScriptRunner Minor nodemanager Devaraj K Devaraj K
YARN-2725 Adding test cases of retrying requests about ZKRMStateStore Major . Tsuyoshi Ozawa Tsuyoshi Ozawa
MAPREDUCE-6165 [JDK8] TestCombineFileInputFormat failed on JDK8 Minor . Wei Yan Akira Ajisaka
HADOOP-11328 ZKFailoverController does not log Exception when doRun raises errors Major ha Tianyin Xu Tianyin Xu
HADOOP-11916 TestStringUtils#testLowerAndUpperStrings failed on MAC due to a JVM bug Minor . Ming Ma Ming Ma
YARN-3552 RM Web UI shows -1 running containers for completed apps Trivial webapp Rohith Sharma K S Rohith Sharma K S
HADOOP-11120 hadoop fs -rmr gives wrong advice Major . Allen Wittenauer Juliet Hougland
YARN-3396 Handle URISyntaxException in ResourceLocalizationService Major nodemanager Chengbing Liu Brahma Reddy Battula
YARN-2123 Progress bars in Web UI always at 100% due to non-US locale Major webapp Johannes Simon Akira Ajisaka
HDFS-8305 HDFS INotify: the destination field of RenameOp should always end with the file name Major . Colin P. McCabe Colin P. McCabe
HADOOP-11917 test-patch.sh should work with ${BASEDIR}/patchprocess setups Blocker . Allen Wittenauer Allen Wittenauer
HDFS-7847 Modify NNThroughputBenchmark to be able to operate on a remote NameNode Major . Colin P. McCabe Charles Lamb
HDFS-8219 setStoragePolicy with folder behavior is different after cluster restart Major . Peter Shi Surendra Singh Lilhore
HADOOP-11898 add nfs3 and portmap starting command in hadoop-daemon.sh in branch-2 Minor bin, nfs Brandon Li Brandon Li
HADOOP-11926 test-patch.sh mv does wrong math Major . Allen Wittenauer Allen Wittenauer
HADOOP-11912 Extra configuration key used in TraceUtils should respect prefix Minor . Masatake Iwasaki Masatake Iwasaki
YARN-3582 NPE in WebAppProxyServlet Major . Jian He Jian He
HDFS-2484 checkLease should throw FileNotFoundException when file does not exist Major namenode Konstantin Shvachko Rakesh R
YARN-3385 Race condition: KeeperException$NoNodeException will cause RM shutdown during ZK node deletion. Critical resourcemanager zhihai xu zhihai xu
HDFS-7833 DataNode reconfiguration does not recalculate valid volumes required, based on configured failed volumes tolerated. Major datanode Chris Nauroth Lei (Eddy) Xu
YARN-3577 Misspelling of threshold in log4j.properties for tests Minor test Brahma Reddy Battula Brahma Reddy Battula
HDFS-8325 Misspelling of threshold in log4j.properties for tests Minor test Brahma Reddy Battula Brahma Reddy Battula
HADOOP-10387 Misspelling of threshold in log4j.properties for tests in hadoop-common-project Minor conf, test Kenji Kikushima Brahma Reddy Battula
MAPREDUCE-6356 Misspelling of threshold in log4j.properties for tests Minor test Brahma Reddy Battula Brahma Reddy Battula
YARN-3523 Cleanup ResourceManagerAdministrationProtocol interface audience Major client, resourcemanager Wangda Tan Naganarasimha G R
HDFS-7980 Incremental BlockReport will dramatically slow down the startup of a namenode Major . Hui Zheng Walter Su
HADOOP-11936 Dockerfile references a removed image Major . Allen Wittenauer Allen Wittenauer
YARN-3584 [Log mesage correction] : MIssing space in Diagnostics message Trivial . nijel nijel
HDFS-8321 CacheDirectives and CachePool operations should throw RetriableException in safemode Major . Haohui Mai Haohui Mai
HDFS-8037 CheckAccess in WebHDFS silently accepts malformed FsActions parameters Minor webhdfs Jake Low Walter Su
YARN-1832 Fix wrong MockLocalizerStatus#equals implementation Minor nodemanager Hong Zhiguo Hong Zhiguo
YARN-3572 Correct typos in WritingYarnApplications.md Minor documentation Sandeep Khurana Gabor Liptak
HADOOP-11922 Misspelling of threshold in log4j.properties for tests in hadoop-tools Minor . Brahma Reddy Battula Gabor Liptak
HDFS-8257 Namenode rollingUpgrade option is incorrect in document Major documentation J.Andreina J.Andreina
HDFS-8067 haadmin prints out stale help messages Minor hdfs-client Ajith S Ajith S
YARN-3592 Fix typos in RMNodeLabelsManager Trivial resourcemanager Junping Du Sunil G
HDFS-8174 Update replication count to live rep count in fsck report Minor . J.Andreina J.Andreina
HDFS-6291 FSImage may be left unclosed in BootstrapStandby#doRun() Minor ha Ted Yu Sanghyun Yun
YARN-3358 Audit log not present while refreshing Service ACLs Minor resourcemanager Varun Saxena Varun Saxena
YARN-3589 RM and AH web UI display DOCTYPE wrongly Major webapp Rohith Sharma K S Rohith Sharma K S
HDFS-7998 HDFS Federation : Command mentioned to add a NN to existing federated cluster is wrong Minor documentation Ajith S Ajith S
HDFS-8222 Remove usage of "dfsadmin -upgradeProgress " from document which is no longer supported Major documentation J.Andreina J.Andreina
HDFS-8187 Remove usage of “-setStoragePolicy” and “-getStoragePolicy” using dfsadmin cmd (as it is not been supported) Major documentation J.Andreina J.Andreina
HDFS-8175 Provide information on snapshotDiff for supporting the comparison between snapshot and current status Major documentation J.Andreina J.Andreina
MAPREDUCE-6342 Make POM project names consistent Minor build Rohith Sharma K S Rohith Sharma K S
HDFS-6576 Datanode log is generating at root directory in security mode Minor datanode, scripts Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-11877 SnappyDecompressor’s Logger class name is wrong Major conf Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-3384 DataStreamer thread should be closed immediatly when failed to setup a PipelineForAppendOrRecovery Major hdfs-client Brahma Reddy Battula Uma Maheswara Rao G
YARN-3554 Default value for maximum nodemanager connect wait time is too high Major . Jason Lowe Naganarasimha G R
HDFS-7894 Rolling upgrade readiness is not updated in jmx until query command is issued. Critical . Kihwal Lee Brahma Reddy Battula
YARN-3600 AM container link is broken (on a killed application, at least) Major . Sergey Shelukhin Naganarasimha G R
HDFS-8346 libwebhdfs build fails during link due to unresolved external symbols. Major native Chris Nauroth Chris Nauroth
HDFS-8274 NFS configuration nfs.dump.dir not working Major nfs Ajith S Ajith S
HDFS-8340 Fix NFS documentation of nfs.wtmax Minor documentation, nfs Ajith S Ajith S
HADOOP-10356 Corrections in winutils/chmod.c Trivial bin René Nyffenegger René Nyffenegger
HADOOP-7165 listLocatedStatus(path, filter) is not redefined in FilterFs Major fs Hairong Kuang Hairong Kuang
MAPREDUCE-3383 Duplicate job.getOutputValueGroupingComparator() in ReduceTask Major . Binglin Chang Binglin Chang
HDFS-8311 DataStreamer.transfer() should timeout the socket InputStream. Major hdfs-client Esteban Gutierrez Esteban Gutierrez
HDFS-8113 Add check for null BlockCollection pointers in BlockInfoContiguous structures Major namenode Chengbing Liu Chengbing Liu
HADOOP-9729 The example code of org.apache.hadoop.util.Tool is incorrect Major util hellojinjie hellojinjie
MAPREDUCE-2094 LineRecordReader should not seek into non-splittable, compressed streams. Major task Niels Basjes Niels Basjes
HDFS-8245 Standby namenode doesn’t process DELETED_BLOCK if the add block request is in edit log. Major . Rushabh S Shah Rushabh S Shah
YARN-3018 Unify the default value for yarn.scheduler.capacity.node-locality-delay in code and default xml file Trivial capacityscheduler nijel nijel
HDFS-8326 Documentation about when checkpoints are run is out of date Major documentation Misty Stanley-Jones Misty Stanley-Jones
YARN-3604 removeApplication in ZKRMStateStore should also disable watch. Minor resourcemanager zhihai xu zhihai xu
YARN-3476 Nodemanager can fail to delete local logs if log aggregation fails Major log-aggregation, nodemanager Jason Lowe Rohith Sharma K S
YARN-3473 Fix RM Web UI configuration for some properties Minor resourcemanager Ray Chiang Ray Chiang
HDFS-8097 TestFileTruncate is failing intermittently Major test Rakesh R Rakesh R
YARN-1912 ResourceLocalizer started without any jvm memory control Major nodemanager stanley shi Masatake Iwasaki
MAPREDUCE-6359 RM HA setup, “Cluster” tab links populated with AM hostname instead of RM Minor . Aroop Maliakkal yunjiong zhao
MAPREDUCE-6353 Divide by zero error in MR AM when calculating available containers Major mr-am Anubhav Dhoot Anubhav Dhoot
YARN-3395 FairScheduler: Trim whitespaces when using username for queuename Major fairscheduler zhihai xu zhihai xu
HDFS-8351 Remove namenode -finalize option from document Major documentation Akira Ajisaka Akira Ajisaka
YARN-3587 Fix the javadoc of DelegationTokenSecretManager in projects of yarn, etc. Minor documentation Akira Ajisaka Gabor Liptak
HADOOP-11663 Remove description about Java 6 from docs Minor documentation Masatake Iwasaki Masatake Iwasaki
HADOOP-11928 Test-patch check for @author tags incorrectly flags removal of @author tags Major . Sean Busbey Kengo Seki
HADOOP-11951 test-patch should give better info about failures to handle dev-support updates without resetrepo option Minor . Sean Busbey Sean Busbey
HADOOP-11947 test-patch should return early from determine-issue when run in jenkins mode. Minor . Sean Busbey Sean Busbey
HDFS-7916 ‘reportBadBlocks’ from datanodes to standby Node BPServiceActor goes for infinite loop Critical datanode Vinayakumar B Rushabh S Shah
YARN-3434 Interaction between reservations and userlimit can result in significant ULF violation Major capacityscheduler Thomas Graves Thomas Graves
HDFS-8362 Java Compilation Error in TestHdfsConfigFields.java Major . Mohammad Arshad Mohammad Arshad
MAPREDUCE-6360 TestMapreduceConfigFields is placed in wrong dir, introducing compile error Major . Vinayakumar B Mohammad Arshad
MAPREDUCE-6361 NPE issue in shuffle caused by concurrent issue between copySucceeded() in one thread and copyFailed() in another thread on the same host Critical . Junping Du Junping Du
YARN-3629 NodeID is always printed as “null” in node manager initialization log. Major . nijel nijel
MAPREDUCE-6251 JobClient needs additional retries at a higher level to address not-immediately-consistent dfs corner cases Major jobhistoryserver, mrv2 Craig Welch Craig Welch
MAPREDUCE-6366 mapreduce.terasort.final.sync configuration in TeraSort doesn’t work Trivial examples Takuya Fukudome Takuya Fukudome
HDFS-6300 Prevent multiple balancers from running simultaneously Critical balancer & mover Rakesh R Rakesh R
HDFS-8358 TestTraceAdmin fails Major . Kihwal Lee Masatake Iwasaki
HADOOP-11966 Variable cygwin is undefined in hadoop-config.sh when executed through hadoop-daemon.sh. Critical scripts Chris Nauroth Chris Nauroth
HDFS-8380 Always call addStoredBlock on blocks which have been shifted from one storage to another Major . Colin P. McCabe Colin P. McCabe
HADOOP-8174 Remove confusing comment in Path#isAbsolute() Trivial fs Suresh Srinivas Suresh Srinivas
HDFS-8150 Make getFileChecksum fail for blocks under construction Critical . Kihwal Lee J.Andreina
MAPREDUCE-5708 Duplicate String.format in YarnOutputFiles.getSpillFileForWrite Minor . Konstantin Weitz Konstantin Weitz
YARN-1519 check if sysconf is implemented before using it Major nodemanager Radim Kolar Radim Kolar
HDFS-8371 Fix test failure in TestHdfsConfigFields for spanreceiver properties Major . Ray Chiang Ray Chiang
MAPREDUCE-6273 HistoryFileManager should check whether summaryFile exists to avoid FileNotFoundException causing HistoryFileInfo into MOVE_FAILED state Minor jobhistoryserver zhihai xu zhihai xu
YARN-2421 RM still allocates containers to an app in the FINISHING state Major scheduler Thomas Graves Chang Li
YARN-3526 ApplicationMaster tracking URL is incorrectly redirected on a QJM cluster Major resourcemanager, webapp Weiwei Yang Weiwei Yang
HADOOP-11988 Fix typo in the document for hadoop fs -find Trivial documentation Akira Ajisaka Kengo Seki
HADOOP-10582 Fix the test case for copying to non-existent dir in TestFsShellCopy Minor fs Kousuke Saruta Kousuke Saruta
HDFS-8345 Storage policy APIs must be exposed via the FileSystem interface Major hdfs-client Arpit Agarwal Arpit Agarwal
HDFS-8405 Fix a typo in NamenodeFsck Minor namenode Tsz Wo Nicholas Sze Takanobu Asanuma
HDFS-6348 SecondaryNameNode not terminating properly on runtime exceptions Major namenode Rakesh R Rakesh R
YARN-3601 Fix UT TestRMFailover.testRMWebAppRedirect Critical resourcemanager, webapp Weiwei Yang Weiwei Yang
HDFS-8404 Pending block replication can get stuck using older genstamp Major namenode Nathan Roberts Nathan Roberts
HADOOP-11973 Ensure ZkDelegationTokenSecretManager namespace znodes get created with ACLs Major security Gregory Chanan Gregory Chanan
HADOOP-11963 Metrics documentation for FSNamesystem misspells PendingDataNodeMessageCount. Trivial documentation Chris Nauroth Anu Engineer
YARN-2821 Distributed shell app master becomes unresponsive sometimes Major applications/distributed-shell Varun Vasudev Varun Vasudev
YARN-3677 Fix findbugs warnings in yarn-server-resourcemanager Minor resourcemanager Akira Ajisaka Vinod Kumar Vavilapalli
YARN-3681 yarn cmd says “could not find main class ‘queue’” in windows Blocker yarn Sumana Sathish Varun Saxena
YARN-3654 ContainerLogsPage web UI should not have meta-refresh Major yarn Xuan Gong Xuan Gong
YARN-3694 Fix dead link for TimelineServer REST API Minor documentation Akira Ajisaka Jagadesh Kiran N
YARN-3646 Applications are getting stuck some times in case of retry policy forever Major client Raju Bairishetti Raju Bairishetti
HDFS-8421 Move startFile() and related operations into FSDirWriteFileOp Major . Haohui Mai Haohui Mai
HDFS-8451 DFSClient probe for encryption testing interprets empty URI property for “enabled” Blocker encryption Steve Loughran Steve Loughran
YARN-3675 FairScheduler: RM quits when node removal races with continousscheduling on the same node Critical fairscheduler Anubhav Dhoot Anubhav Dhoot
HADOOP-12014 hadoop-config.cmd displays a wrong error message Minor scripts Kengo Seki Kengo Seki
HADOOP-11955 Fix a typo in the cluster setup doc Trivial . Kihwal Lee Yanjun Wang
HDFS-8268 Port conflict log for data node server is not sufficient Minor datanode Mohammad Shahid Khan Mohammad Shahid Khan
YARN-3594 WintuilsProcessStubExecutor.startStreamReader leaks streams Trivial nodemanager Steve Loughran Lars Francke
HADOOP-11743 maven doesn’t clean all the site files Minor documentation Allen Wittenauer ramtin
HADOOP-11927 Fix “undefined reference to dlopen” error when compiling libhadooppipes Major build, native, tools Xianyin Xin Xianyin Xin
YARN-3701 Isolating the error of generating a single app report when getting all apps from generic history service Blocker timelineserver Zhijie Shen Zhijie Shen
YARN-3707 RM Web UI queue filter doesn’t work Blocker . Wangda Tan Wangda Tan
YARN-2238 filtering on UI sticks even if I move away from the page Major webapp Sangjin Lee Jian He
HADOOP-8751 NPE in Token.toString() when Token is constructed using null identifier Minor security Vlad Rozov Kanaka Kumar Avvaru
HADOOP-11969 ThreadLocal initialization in several classes is not thread safe Critical io Sean Busbey Sean Busbey
YARN-3626 On Windows localized resources are not moved to the front of the classpath when they should be Major yarn Craig Welch Craig Welch
HADOOP-9891 CLIMiniCluster instructions fail with MiniYarnCluster ClassNotFoundException Minor documentation Steve Loughran Darrell Taylor
HDFS-8431 hdfs crypto class not found in Windows Critical scripts Sumana Sathish Anu Engineer
HADOOP-12004 test-patch breaks with reexec in certain situations Critical . Allen Wittenauer Sean Busbey
YARN-3723 Need to clearly document primaryFilter and otherInfo value type Critical timelineserver Zhijie Shen Zhijie Shen
HDFS-8407 libhdfs hdfsListDirectory must set errno to 0 on success Major native Juan Yu Masatake Iwasaki
HDFS-8429 Avoid stuck threads if there is an error in DomainSocketWatcher that stops the thread Major . zhouyingchao zhouyingchao
HADOOP-11959 WASB should configure client side socket timeout in storage client blob request options Major tools Ivan Mitic Ivan Mitic
HADOOP-11934 Use of JavaKeyStoreProvider in LdapGroupsMapping causes infinite loop Blocker security Mike Yoder Larry McCay
HDFS-7401 Add block info to DFSInputStream’ WARN message when it adds node to deadNodes Minor . Ming Ma Mohammad Arshad
HADOOP-12042 Users may see TrashPolicy if hdfs dfs -rm is run Major . Allen Wittenauer J.Andreina
HDFS-7609 Avoid retry cache collision when Standby NameNode loading edits Critical namenode Carrey Zhan Ming Ma
HADOOP-11885 hadoop-dist dist-layout-stitching.sh does not work with dash Major build Andrew Wang Andrew Wang
YARN-3725 App submission via REST API is broken in secure mode due to Timeline DT service address is empty Blocker resourcemanager, timelineserver Zhijie Shen Zhijie Shen
HADOOP-12037 Fix wrong classname in example configuration of hadoop-auth documentation Trivial documentation Masatake Iwasaki Masatake Iwasaki
HDFS-8256 fsck "-storagepolicies , -blockId ,-replicaDetails " options are missed out in usage and from documentation Major documentation J.Andreina J.Andreina
HDFS-8486 DN startup may cause severe data loss Blocker datanode Daryn Sharp Daryn Sharp
HDFS-8386 Improve synchronization of ‘streamer’ reference in DFSOutputStream Major hdfs-client Rakesh R Rakesh R
HDFS-8513 Rename BlockPlacementPolicyRackFaultTolarent to BlockPlacementPolicyRackFaultTolerant Minor namenode Andrew Wang Andrew Wang
HADOOP-11991 test-patch.sh isn’t re-executed even if smart-apply-patch.sh is modified Major test Kengo Seki Kengo Seki
HDFS-8270 create() always retried with hardcoded timeout when file already exists with open lease Major hdfs-client Andrey Stepachev J.Andreina
HDFS-8470 fsimage loading progress should update inode, delegation token and cache pool count. Minor namenode tongshiquan Surendra Singh Lilhore
HDFS-8523 Remove usage information on unsupported operation “fsck -showprogress” from branch-2 Major documentation J.Andreina J.Andreina
HDFS-3716 Purger should remove stale fsimage ckpt files Minor namenode suja s J.Andreina
YARN-3751 TestAHSWebServices fails after YARN-3467 Major . Zhijie Shen Sunil G
YARN-3585 NodeManager cannot exit on SHUTDOWN event triggered and NM recovery is enabled Critical . Peng Zhang Rohith Sharma K S
MAPREDUCE-6374 Distributed Cache File visibility should check permission of full path Major . Chang Li Chang Li
YARN-3762 FairScheduler: CME on FSParentQueue#getQueueUserAclInfo Critical fairscheduler Karthik Kambatla Karthik Kambatla
YARN-3749 We should make a copy of configuration when init MiniYARNCluster with multiple RMs Major . Chun Chen Chun Chen
MAPREDUCE-5965 Hadoop streaming throws error if list of input files is high. Error is: “error=7, Argument list too long at if number of input file is high” Major . Arup Malakar Wilfred Spiegelenburg
HADOOP-12018 smart-apply-patch.sh fails if the patch edits CR+LF files and is created by ‘git diff –no-prefix’ Minor build Akira Ajisaka Kengo Seki
HADOOP-12019 update BUILDING.txt to include python for ‘mvn site’ in windows Major . Vinayakumar B Vinayakumar B
MAPREDUCE-6382 Don’t escape HTML links in Diagnostics in JHS job overview Major . Siqi Li Siqi Li
HADOOP-12058 Fix dead links to DistCp and Hadoop Archives pages. Minor documentation, site Kazuho Fujii Kazuho Fujii
HDFS-8463 Calling DFSInputStream.seekToNewSource just after stream creation causes NullPointerException Minor . Masatake Iwasaki Masatake Iwasaki
YARN-3764 CapacityScheduler should forbid moving LeafQueue from one parent to another Blocker . Wangda Tan Wangda Tan
HADOOP-11994 smart-apply-patch wrongly assumes that git is infallible Major test Allen Wittenauer Kengo Seki
HADOOP-11924 Tolerate JDK-8047340-related exceptions in Shell#isSetSidAvailable preventing class init Major . Gera Shegalov Tsuyoshi Ozawa
YARN-3733 Fix DominantRC#compare() does not work as expected if cluster resource is empty Blocker resourcemanager Bibin A Chundatt Rohith Sharma K S
MAPREDUCE-6377 JHS sorting on state column not working in webUi Minor jobhistoryserver Bibin A Chundatt zhihai xu
MAPREDUCE-6387 Serialize the recently added Task#encryptedSpillKey field at the end Minor . Arun Suresh Arun Suresh
HADOOP-12056 Use DirectoryStream in DiskChecker#checkDirs to detect errors when listing a directory Major util zhihai xu zhihai xu
HDFS-8522 Change heavily recorded NN logs from INFO to DEBUG level Major namenode Xiaoyu Yao Xiaoyu Yao
YARN-3655 FairScheduler: potential livelock due to maxAMShare limitation and container reservation Critical fairscheduler zhihai xu zhihai xu
HDFS-8539 Hdfs doesnt have class ‘debug’ in windows Major scripts Sumana Sathish Anu Engineer
YARN-3780 Should use equals when compare Resource in RMNodeImpl#ReconnectNodeTransition Minor resourcemanager zhihai xu zhihai xu
YARN-3747 TestLocalDirsHandlerService should delete the created test directory logDir2 Minor test David Moore David Moore
HDFS-8554 TestDatanodeLayoutUpgrade fails on Windows. Major test Chris Nauroth Chris Nauroth
YARN-3778 Fix Yarn resourcemanger CLI usage Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12054 RPC client should not retry for InvalidToken exceptions Critical ipc Daryn Sharp Varun Saxena
HDFS-8552 Fix hdfs CLI usage message for namenode and zkfc Major . Xiaoyu Yao Brahma Reddy Battula
HADOOP-12073 Azure FileSystem PageBlobInputStream does not return -1 on EOF Major tools Ivan Mitic Ivan Mitic
HDFS-8568 TestClusterId#testFormatWithEmptyClusterIdOption is failing Major . Rakesh R Rakesh R
HADOOP-7817 RawLocalFileSystem.append() should give FSDataOutputStream with accurate .getPos() Major fs Kristofer Tomasette Kanaka Kumar Avvaru
MAPREDUCE-6350 JobHistory doesn’t support fully-functional search Critical jobhistoryserver Siqi Li Siqi Li
MAPREDUCE-6389 Fix BaileyBorweinPlouffe CLI usage message Trivial . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12052 IPC client downgrades all exception types to IOE, breaks callers trying to use them Critical . Steve Loughran Brahma Reddy Battula
YARN-3785 Support for Resource as an argument during submitApp call in MockRM test class Minor resourcemanager Sunil G Sunil G
HADOOP-12074 in Shell.java#runCommand() rethrow InterruptedException as InterruptedIOException Minor . Lavkesh Lahngir Lavkesh Lahngir
HDFS-8566 HDFS documentation about debug commands wrongly identifies them as “hdfs dfs” commands Major documentation Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-8583 Document that NFS gateway does not work with rpcbind on SLES 11 Major documentation Arpit Agarwal Arpit Agarwal
HDFS-8572 DN always uses HTTP/localhost@REALM principals in SPNEGO Blocker . Haohui Mai Haohui Mai
YARN-3794 TestRMEmbeddedElector fails because of ambiguous LOG reference Major test Chengbing Liu Chengbing Liu
HDFS-8593 Calculation of effective layout version mishandles comparison to current layout version in storage. Major namenode Chris Nauroth Chris Nauroth
HDFS-8596 TestDistributedFileSystem et al tests are broken in branch-2 due to incorrect setting of “datanode” attribute Blocker datanode Yongjun Zhang Yongjun Zhang
HDFS-8595 TestCommitBlockSynchronization fails in branch-2.7 Major test Arpit Agarwal Arpit Agarwal
HDFS-8607 TestFileCorruption doesn’t work as expected Major test Walter Su Walter Su
HADOOP-12001 Limiting LDAP search conflicts with posixGroup addition Blocker security Patrick White Patrick White
HADOOP-12078 The default retry policy does not handle RetriableException correctly Critical ipc Arpit Agarwal Arpit Agarwal
HDFS-8576 Lease recovery should return true if the lease can be released and the file can be closed Major namenode J.Andreina J.Andreina
HDFS-8592 SafeModeException never get unwrapped Major . Haohui Mai Haohui Mai
HADOOP-12095 org.apache.hadoop.fs.shell.TestCount fails Major test Brahma Reddy Battula Brahma Reddy Battula
HDFS-4660 Block corruption can happen during pipeline recovery Blocker datanode Peng Zhang Kihwal Lee
HDFS-8548 Minicluster throws NPE on shutdown Major . Mike Drob Surendra Singh Lilhore
YARN-3714 AM proxy filter can not get RM webapp address from yarn.resourcemanager.hostname.rm-id Minor . Masatake Iwasaki Masatake Iwasaki
HDFS-8551 Fix hdfs datanode CLI usage message Major . Xiaoyu Yao Brahma Reddy Battula
HADOOP-12076 Incomplete Cache Mechanism in CredentialProvider API Major security Larry McCay Larry McCay
YARN-3617 Fix WindowsResourceCalculatorPlugin.getCpuFrequency() returning always -1 Minor . Georg Berendt J.Andreina
YARN-3804 Both RM are on standBy state when kerberos user not in yarn.admin.acl Critical resourcemanager Bibin A Chundatt Varun Saxena
HDFS-8446 Separate safemode related operations in GetBlockLocations() Minor . Haohui Mai Haohui Mai
HDFS-8615 Correct HTTP method in WebHDFS document Major documentation Akira Ajisaka Brahma Reddy Battula
MAPREDUCE-6373 The logger reports total input paths but it is referring to input files Trivial . Andi Chirita Amdocs Bibin A Chundatt
YARN-3824 Fix two minor nits in member variable properties of YarnConfiguration Trivial yarn Ray Chiang Ray Chiang
HADOOP-12100 ImmutableFsPermission should not override applyUmask since that method doesn’t modify the FsPermission Major . Robert Kanter Bibin A Chundatt
YARN-3802 Two RMNodes for the same NodeId are used in RM sometimes after NM is reconnected. Major resourcemanager zhihai xu zhihai xu
HDFS-8633 Fix setting of dfs.datanode.readahead.bytes in hdfs-default.xml to match DFSConfigKeys Minor datanode Ray Chiang Ray Chiang
HDFS-8626 Reserved RBW space is not released if creation of RBW File fails Blocker . Kanaka Kumar Avvaru Kanaka Kumar Avvaru
MAPREDUCE-6405 NullPointerException in App Attempts page Major . Siqi Li Siqi Li
HADOOP-12103 Small refactoring of DelegationTokenAuthenticationFilter to allow code sharing Minor security Yongjun Zhang Yongjun Zhang
HDFS-8337 Accessing httpfs via webhdfs doesn’t work from a jar with kerberos Major security, webhdfs Yongjun Zhang Yongjun Zhang
MAPREDUCE-6403 Fix typo in the usage of NNBench Trivial documentation Akira Ajisaka Jagadesh Kiran N
HDFS-8480 Fix performance and timeout issues in HDFS-7929 by using hard-links to preserve old edit logs instead of copying them Critical . Zhe Zhang Zhe Zhang
MAPREDUCE-5948 org.apache.hadoop.mapred.LineRecordReader does not handle multibyte record delimiters well Critical . Kris Geusebroek Akira Ajisaka
HDFS-8542 WebHDFS getHomeDirectory behavior does not match specification Major webhdfs Jakob Homan Kanaka Kumar Avvaru
YARN-3842 NMProxy should retry on NMNotYetReadyException Critical . Karthik Kambatla Robert Kanter
YARN-3835 hadoop-yarn-server-resourcemanager test package bundles core-site.xml, yarn-site.xml Minor resourcemanager Vamsee Yarlagadda Vamsee Yarlagadda
MAPREDUCE-6410 Aggregated Logs Deletion doesnt work after refreshing Log Retention Settings in secure cluster Critical . Zhang Wei Varun Saxena
MAPREDUCE-6400 Multiple shuffle transfer fails because input is closed too early Blocker task Akira Ajisaka Brahma Reddy Battula
YARN-3809 Failed to launch new attempts because ApplicationMasterLauncher’s threads all hang Major resourcemanager Jun Gong Jun Gong
YARN-3832 Resource Localization fails on a cluster due to existing cache directories Critical nodemanager Ranga Swamy Brahma Reddy Battula
YARN-3790 usedResource from rootQueue metrics may get stale data for FS scheduler after recovering the container Major fairscheduler, test Rohith Sharma K S zhihai xu
HADOOP-11958 MetricsSystemImpl fails to show backtrace when an error occurs Major . Jason Lowe Jason Lowe
HDFS-8646 Prune cached replicas from DatanodeDescriptor state on replica invalidation Major caching Andrew Wang Andrew Wang
YARN-3826 Race condition in ResourceTrackerService leads to wrong diagnostics messages Major resourcemanager Chengbing Liu Chengbing Liu
YARN-3745 SerializedException should also try to instantiate internal exception with the default constructor Major . Lavkesh Lahngir Lavkesh Lahngir
MAPREDUCE-6413 TestLocalJobSubmission is failing with unknown host Major test Jason Lowe zhihai xu
HDFS-8665 Fix replication check in DFSTestUtils#waitForReplication Trivial test Andrew Wang Andrew Wang
HADOOP-8151 Error handling in snappy decompressor throws invalid exceptions Major io, native Todd Lipcon Matt Foley
YARN-3850 NM fails to read files from full disks which can lead to container logs being lost and other issues Blocker log-aggregation, nodemanager Varun Saxena Varun Saxena
HDFS-8656 Preserve compatibility of ClientProtocol#rollingUpgrade after finalization Critical rolling upgrades Andrew Wang Andrew Wang
YARN-3859 LeafQueue doesn’t print user properly for application add Minor capacityscheduler Devaraj K Varun Saxena
HDFS-8681 BlockScanner is incorrectly disabled by default Blocker datanode Andrew Wang Arpit Agarwal
YARN-3860 rmadmin -transitionToActive should check the state of non-target node Major resourcemanager Masatake Iwasaki Masatake Iwasaki
HDFS-8586 Dead Datanode is allocated for write when client is from deadnode Critical . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12119 hadoop fs -expunge does not work for federated namespace Major . Vrushali C J.Andreina
HDFS-8628 Update missing command option for fetchdt Major documentation J.Andreina J.Andreina
YARN-3695 ServerProxy (NMProxy, etc.) shouldn’t retry forever for non network exception. Major . Junping Du Raju Bairishetti
HADOOP-12089 StorageException complaining " no lease ID" when updating FolderLastModifiedTime in WASB Major tools Duo Xu Duo Xu
YARN-3770 SerializedException should also handle java.lang.Error Major . Lavkesh Lahngir Lavkesh Lahngir
HDFS-8687 Remove the duplicate usage message from Dfsck.java Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12107 long running apps may have a huge number of StatisticsData instances under FileSystem Critical fs Sangjin Lee Sangjin Lee
HDFS-8579 Update HDFS usage with missing options Minor . J.Andreina J.Andreina
HADOOP-12154 FileSystem#getUsed() returns the file length only from root ‘/’ Major . tongshiquan J.Andreina
YARN-3768 ArrayIndexOutOfBoundsException with empty environment variables Major yarn Joe Ferner zhihai xu
HADOOP-10798 globStatus() should always return a sorted list of files Minor . Felix Borchers Colin P. McCabe
HADOOP-12124 Add HTrace support for FsShell Major . Colin P. McCabe Colin P. McCabe
HADOOP-12159 Move DistCpUtils#compareFs() to org.apache.hadoop.fs.FileUtil and fix for HA namespaces Major . Ray Chiang Ray Chiang
MAPREDUCE-6121 JobResourceUpdater#compareFs() doesn’t handle HA namespaces Major mrv2 Thomas Graves Ray Chiang
HADOOP-12116 Fix unrecommended syntax usages in hadoop/hdfs/yarn script for cygwin in branch-2 Major scripts Li Lu Li Lu
HADOOP-12164 Fix TestMove and TestFsShellReturnCode failed to get command name using reflection. Minor . Lei (Eddy) Xu Lei (Eddy) Xu
YARN-3823 Fix mismatch in default values for yarn.scheduler.maximum-allocation-vcores property Minor . Ray Chiang Ray Chiang
YARN-3830 AbstractYarnScheduler.createReleaseCache may try to clean a null attempt Major scheduler nijel nijel
HDFS-8706 Fix typo in datanode startup options in HDFSCommands.html Major . Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6420 Interrupted Exception in LocalContainerLauncher should be logged in warn/info level Major . Chang Li Chang Li
MAPREDUCE-6418 MRApp should not shutdown LogManager during shutdown Major test Chang Li Chang Li
YARN-3793 Several NPEs when deleting local files on NM recovery Major nodemanager Karthik Kambatla Varun Saxena
HDFS-8666 speedup TestMover Major test Walter Su Walter Su
HADOOP-12171 Shorten overly-long htrace span names for server Major tracing Colin P. McCabe Colin P. McCabe
YARN-3875 FSSchedulerNode#reserveResource() doesn’t print Application Id properly in log Minor . Bibin A Chundatt Bibin A Chundatt
YARN-3508 Prevent processing preemption events on the main RM dispatcher Major resourcemanager, scheduler Jason Lowe Varun Saxena
HADOOP-12173 NetworkTopology#add calls NetworkTopology#toString always Major . Íñigo Goiri Íñigo Goiri
HDFS-8577 Avoid retrying to recover lease on a file which does not exist Major . J.Andreina J.Andreina
YARN-3882 AggregatedLogFormat should close aclScanner and ownerScanner after create them. Minor nodemanager zhihai xu zhihai xu
MAPREDUCE-6425 ShuffleHandler passes wrong “base” parameter to getMapOutputInfo if mapId is not in the cache. Major mrv2, nodemanager zhihai xu zhihai xu
HADOOP-12186 ActiveStandbyElector shouldn’t call monitorLockNodeAsync multiple times Major ha zhihai xu zhihai xu
HDFS-8686 WebHdfsFileSystem#getXAttr(Path p, final String name) doesn’t work if namespace is in capitals Major webhdfs Jagadesh Kiran N Kanaka Kumar Avvaru
YARN-3837 javadocs of TimelineAuthenticationFilterInitializer give wrong prefix for auth options Minor timelineserver Steve Loughran Bibin A Chundatt
HADOOP-12117 Potential NPE from Configuration#loadProperty with allowNullValueProperties set. Minor conf zhihai xu zhihai xu
MAPREDUCE-6038 A boolean may be set error in the Word Count v2.0 in MapReduce Tutorial Minor . Pei Ma Tsuyoshi Ozawa
YARN-3892 NPE on RMStateStore#serviceStop when CapacityScheduler#serviceInit fails Minor . Bibin A Chundatt Bibin A Chundatt
YARN-3690 [JDK8] ‘mvn site’ fails Major api, site Akira Ajisaka Brahma Reddy Battula
HADOOP-12202 releasedocmaker drops missing component and assignee entries Blocker yetus Allen Wittenauer Allen Wittenauer
HDFS-8642 Make TestFileTruncate more reliable Minor . Rakesh R Rakesh R
HADOOP-11878 FileContext.java # fixRelativePart should check for not null for a more informative exception Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12201 Add tracing to FileSystem#createFileSystem and Globber#glob Major . Colin P. McCabe Colin P. McCabe
HADOOP-12200 TestCryptoStreamsWithOpensslAesCtrCryptoCodec should be skipped in non-native profile Minor test Masatake Iwasaki Masatake Iwasaki
MAPREDUCE-6426 TestShuffleHandler#testGetMapOutputInfo is failing Major test Devaraj K zhihai xu
HDFS-8729 Fix testTruncateWithDataNodesRestartImmediately occasionally failed Minor . Walter Su Walter Su
YARN-3888 ApplicationMaster link is broken in RM WebUI when appstate is NEW Minor resourcemanager Bibin A Chundatt Bibin A Chundatt
HDFS-8749 Fix findbugs warning in BlockManager.java Minor . Akira Ajisaka Brahma Reddy Battula
HDFS-2956 calling fetchdt without a –renewer argument throws NPE Major security Todd Lipcon Vinayakumar B
HDFS-8751 Remove setBlocks API from INodeFile and misc code cleanup Major namenode Zhe Zhang Zhe Zhang
YARN-3849 Too much of preemption activity causing continuos killing of containers across queues Critical capacityscheduler Sunil G Sunil G
YARN-3917 getResourceCalculatorPlugin for the default should intercept all exceptions Major . Gera Shegalov Gera Shegalov
YARN-3894 RM startup should fail for wrong CS xml NodeLabel capacity configuration Critical capacityscheduler Bibin A Chundatt Bibin A Chundatt
MAPREDUCE-6421 Fix findbugs warning in RMContainerAllocator.reduceNodeLabelExpression Major . Ray Chiang Brahma Reddy Battula
HADOOP-12191 Bzip2Factory is not thread safe Major io Jason Lowe Brahma Reddy Battula
HDFS-7608 hdfs dfsclient newConnectedPeer has no write timeout Major fuse-dfs, hdfs-client zhangshilong Xiaoyu Yao
HADOOP-12153 ByteBufferReadable doesn’t declare @InterfaceAudience and @InterfaceStability Minor fs Steve Loughran Brahma Reddy Battula
HDFS-8778 TestBlockReportRateLimiting#testLeaseExpiration can deadlock Major test Arpit Agarwal Arpit Agarwal
HADOOP-10615 FileInputStream in JenkinsHash#main() is never closed Minor . Ted Yu Chen He
HADOOP-12240 Fix tests requiring native library to be skipped in non-native profile Minor test Masatake Iwasaki Masatake Iwasaki
YARN-3805 Update the documentation of Disk Checker based on YARN-90 Minor documentation Masatake Iwasaki Masatake Iwasaki
HDFS-8767 RawLocalFileSystem.listStatus() returns null for UNIX pipefile Critical . Haohui Mai Kanaka Kumar Avvaru
YARN-3885 ProportionalCapacityPreemptionPolicy doesn’t preempt if queue is more than 2 level Blocker yarn Ajith S Ajith S
YARN-3453 Fair Scheduler: Parts of preemption logic uses DefaultResourceCalculator even in DRF mode causing thrashing Major fairscheduler Ashwin Shankar Arun Suresh
YARN-3535 Scheduler must re-request container resources when RMContainer transitions from ALLOCATED to KILLED Critical capacityscheduler, fairscheduler, resourcemanager Peng Zhang Peng Zhang
YARN-3905 Application History Server UI NPEs when accessing apps run after RM restart Major timelineserver Eric Payne Eric Payne
HADOOP-12235 hadoop-openstack junit & mockito dependencies should be “provided” Minor build, fs/swift Steve Loughran Ted Yu
HADOOP-12088 KMSClientProvider uses equalsIgnoreCase(“application/json”) Major kms Steve Loughran Brahma Reddy Battula
HADOOP-12051 ProtobufRpcEngine.invoke() should use Exception.toString() over getMessage in logging/span events Minor ipc Steve Loughran Varun Saxena
HADOOP-12237 releasedocmaker.py doesn’t work behind a proxy Major yetus Tsuyoshi Ozawa Tsuyoshi Ozawa
HDFS-7582 Enforce maximum number of ACL entries separately per access and default. Major namenode Vinayakumar B Vinayakumar B
HDFS-8773 Few FSNamesystem metrics are not documented in the Metrics page Major documentation Rakesh R Rakesh R
YARN-3878 AsyncDispatcher can hang while stopping if it is configured for draining events on stop Critical . Varun Saxena Varun Saxena
HDFS-7728 Avoid updating quota usage while loading edits Major . Jing Zhao Jing Zhao
HADOOP-11962 Sasl message with MD5 challenge text shouldn’t be LOG out even in debug level. Critical ipc, security Junping Du Junping Du
HADOOP-12017 Hadoop archives command should use configurable replication factor when closing Major . Zhe Zhang Bibin A Chundatt
HADOOP-12239 StorageException complaining " no lease ID" when updating FolderLastModifiedTime in WASB Major fs/azure, tools Duo Xu Duo Xu
YARN-3932 SchedulerApplicationAttempt#getResourceUsageReport and UserInfo should based on total-used-resources Major resourcemanager Bibin A Chundatt Bibin A Chundatt
YARN-3954 TestYarnConfigurationFields#testCompareConfigurationClassAgainstXml fails in trunk Major . Varun Saxena Varun Saxena
YARN-2019 Retrospect on decision of making RM crashed if any exception throw in ZKRMStateStore Critical . Junping Du Jian He
HDFS-8797 WebHdfsFileSystem creates too many connections for pread Major webhdfs Jing Zhao Jing Zhao
YARN-3941 Proportional Preemption policy should try to avoid sending duplicate PREEMPT_CONTAINER event to scheduler Major capacityscheduler Sunil G Sunil G
YARN-3900 Protobuf layout of yarn_security_token causes errors in other protos that include it Major . Anubhav Dhoot Anubhav Dhoot
YARN-3845 Scheduler page does not render RGBA color combinations in IE11 Minor . Jagadesh Kiran N Mohammad Shahid Khan
HDFS-8806 Inconsistent metrics: number of missing blocks with replication factor 1 not properly cleared Major . Zhe Zhang Zhe Zhang
YARN-3967 Fetch the application report from the AHS if the RM does not know about it Major . Mit Desai Mit Desai
YARN-3957 FairScheduler NPE In FairSchedulerQueueInfo causing scheduler page to return 500 Major fairscheduler Anubhav Dhoot Anubhav Dhoot
YARN-3925 ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks. Critical nodemanager zhihai xu zhihai xu
YARN-3973 Recent changes to application priority management break reservation system from YARN-1051 Major resourcemanager Carlo Curino Carlo Curino
YARN-3958 TestYarnConfigurationFields should be moved to hadoop-yarn-api module Major . Varun Saxena Varun Saxena
HDFS-8810 Correct assertions in TestDFSInotifyEventInputStream class. Minor test Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-8785 TestDistributedFileSystem is failing in trunk Major test Arpit Agarwal Xiaoyu Yao
YARN-2194 Cgroups cease to work in RHEL7 Critical nodemanager Wei Yan Wei Yan
YARN-3846 RM Web UI queue filter is not working Major yarn Mohammad Shahid Khan Mohammad Shahid Khan
HADOOP-12245 References to misspelled REMAINING_QUATA in FileSystemShell.md Minor documentation Gera Shegalov Gabor Liptak
YARN-3982 container-executor parsing of container-executor.cfg broken in trunk and branch-2 Blocker nodemanager Varun Vasudev Varun Vasudev
HADOOP-12175 FsShell must load SpanReceiverHost to support tracing Major tracing Masatake Iwasaki Masatake Iwasaki
HDFS-8670 Better to exclude decommissioned nodes for namenode NodeUsage JMX Major . Ming Ma J.Andreina
HADOOP-10945 4-digit octal umask permissions throws a parse error Major fs Jason Lowe Chang Li
YARN-3919 NPEs’ while stopping service after exception during CommonNodeLabelsManager#start Trivial resourcemanager Varun Saxena Varun Saxena
YARN-3963 AddNodeLabel on duplicate label addition shows success Minor . Bibin A Chundatt Bibin A Chundatt
YARN-3990 AsyncDispatcher may overloaded with RMAppNodeUpdateEvent when Node is connected/disconnected Critical resourcemanager Rohith Sharma K S Bibin A Chundatt
HDFS-6860 BlockStateChange logs are too noisy Major namenode Arpit Agarwal Chang Li
HADOOP-12268 AbstractContractAppendTest#testRenameFileBeingAppended misses rename operation. Major test zhihai xu zhihai xu
HDFS-8847 change TestHDFSContractAppend to not override testRenameFileBeingAppended method. Major test zhihai xu zhihai xu
HDFS-8850 VolumeScanner thread exits with exception if there is no block pool to be scanned but there are suspicious blocks Major datanode Colin P. McCabe Colin P. McCabe
HDFS-8844 TestHDFSCLI does not cleanup the test directory Minor test Akira Ajisaka Masatake Iwasaki
HADOOP-12274 Remove direct download link from BUILDING.txt Minor documentation Caleb Severn Caleb Severn
HADOOP-12302 Fix native compilation on Windows after HADOOP-7824 Blocker . Vinayakumar B Vinayakumar B
YARN-3983 Make CapacityScheduler to easier extend application allocation logic Major . Wangda Tan Wangda Tan
HADOOP-12304 Applications using FileContext fail with the default file system configured to be wasb/s3/etc. Blocker fs Chris Nauroth Chris Nauroth
HADOOP-11932 MetricsSinkAdapter hangs when being stopped Critical . Jian He Brahma Reddy Battula
HDFS-8856 Make LeaseManager#countPath O(1) Major namenode Arpit Agarwal Arpit Agarwal
HDFS-8772 Fix TestStandbyIsHot#testDatanodeRestarts which occasionally fails Major . Walter Su Walter Su
YARN-3966 Fix excessive loggings in CapacityScheduler Major . Jian He Jian He
HDFS-8866 Typo in docs: Rumtime -> Runtime Trivial documentation, webhdfs Jakob Homan Gabor Liptak
YARN-3999 RM hangs on draining events Major . Jian He Jian He
YARN-4026 FiCaSchedulerApp: ContainerAllocator should be able to choose how to order pending resource requests Major . Wangda Tan Wangda Tan
HDFS-8879 Quota by storage type usage incorrectly initialized upon namenode restart Major namenode Kihwal Lee Xiaoyu Yao
HADOOP-12258 Need translate java.nio.file.NoSuchFileException to FileNotFoundException to avoid regression Critical fs zhihai xu zhihai xu
YARN-4005 Completed container whose app is finished is not removed from NMStateStore Major . Jun Gong Jun Gong
YARN-4047 ClientRMService getApplications has high scheduler lock contention Major resourcemanager Jason Lowe Jason Lowe
YARN-3987 am container complete msg ack to NM once RM receive it Major resourcemanager sandflee sandflee
HADOOP-12322 typos in rpcmetrics.java Trivial ipc Anu Engineer Anu Engineer
HDFS-8565 Typo in dfshealth.html - “Decomissioning” Trivial . nijel nijel
MAPREDUCE-5817 Mappers get rescheduled on node transition even after all reducers are completed Major applicationmaster Sangjin Lee Sangjin Lee
HDFS-8891 HDFS concat should keep srcs order Blocker . Yong Zhang Yong Zhang
MAPREDUCE-6439 AM may fail instead of retrying if RM shuts down during the allocate call Critical . Anubhav Dhoot Anubhav Dhoot
HDFS-8845 DiskChecker should not traverse the entire tree Major . Chang Li Chang Li
HDFS-8852 HDFS architecture documentation of version 2.x is outdated about append write support Major documentation Hong Dai Thanh Ajith S
YARN-3857 Memory leak in ResourceManager with SIMPLE mode Critical resourcemanager mujunchao mujunchao
YARN-4028 AppBlock page key update and diagnostics value null on recovery Minor . Bibin A Chundatt Bibin A Chundatt
HDFS-8908 TestAppendSnapshotTruncate may fail with IOException: Failed to replace a bad datanode Minor test Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8867 Enable optimized block reports Major . Rushabh S Shah Daryn Sharp
HADOOP-12317 Applications fail on NM restart on some linux distro because NM container recovery declares AM container as LOST Critical . Anubhav Dhoot Anubhav Dhoot
HDFS-8863 The remaining space check in BlockPlacementPolicyDefault is flawed Critical . Kihwal Lee Kihwal Lee
HDFS-8922 Link the native_mini_dfs test library with libdl, since IBM Java requires it Major build Ayappan Ayappan
HDFS-8809 HDFS fsck reports under construction blocks as “CORRUPT” Major tools Sudhir Prakash Jing Zhao
MAPREDUCE-6454 MapReduce doesn’t set the HADOOP_CLASSPATH for jar lib in distributed cache. Critical . Junping Du Junping Du
MAPREDUCE-6357 MultipleOutputs.write() API should document that output committing is not utilized when input path is absolute Major documentation Ivan Mitic Dustin Cote
YARN-3986 getTransferredContainers in AbstractYarnScheduler should be present in YarnScheduler interface instead Major scheduler Varun Saxena Varun Saxena
HADOOP-12347 Fix mismatch parameter name in javadocs of AuthToken#setMaxInactives Trivial . Xiaoyu Yao Xiaoyu Yao
HDFS-8942 Update hyperlink to rack awareness page in HDFS Architecture documentation Trivial documentation Masatake Iwasaki Masatake Iwasaki
YARN-3896 RMNode transitioned from RUNNING to REBOOTED because its response id had not been reset synchronously Major resourcemanager Jun Gong Jun Gong
HDFS-8930 Block report lease may leak if the 2nd full block report comes when NN is still in safemode Minor . Jing Zhao Jing Zhao
HDFS-8932 NPE thrown in NameNode when try to get “TotalSyncCount” metric before editLogStream initialization Major . Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-12352 Delay in checkpointing Trash can leave trash for 2 intervals before deleting Trivial trash Casey Brotherton Casey Brotherton
HDFS-8846 Add a unit test for INotify functionality across a layout version upgrade Major namenode Zhe Zhang Zhe Zhang
HDFS-8896 DataNode object isn’t GCed when shutdown, because it has GC root in ShutdownHookManager Minor test Walter Su Walter Su
HDFS-8961 Surpress findbug warnings of o.a.h.hdfs.shortcircuit.DfsClientShmManager.EndpointShmManager in hdfs-client Major . Haohui Mai Mingliang Liu
HADOOP-12362 Set hadoop.tmp.dir and hadoop.log.dir in pom Major . Charlie Helin Charlie Helin
HDFS-8969 Clean up findbugs warnings for HDFS-8823 and HDFS-8932 Major namenode Anu Engineer Anu Engineer
HDFS-8963 Fix incorrect sign extension of xattr length in HDFS-8900 Critical . Haohui Mai Colin P. McCabe
YARN-1556 NPE getting application report with a null appId Minor client Steve Loughran Weiwei Yang
MAPREDUCE-6452 NPE when intermediate encrypt enabled for LocalRunner Major . Bibin A Chundatt zhihai xu
HDFS-8950 NameNode refresh doesn’t remove DataNodes that are no longer in the allowed list Major datanode, namenode Daniel Templeton Daniel Templeton
HADOOP-12346 Increase some default timeouts / retries for S3a connector Major fs/s3 Sean Mackrory Sean Mackrory
HADOOP-12359 hadoop fs -getmerge doc is wrong Major documentation Daniel Templeton Jagadesh Kiran N
HADOOP-10365 BufferedOutputStream in FileUtil#unpackEntries() should be closed in finally block Minor util Ted Yu Kiran Kumar M R
HDFS-8995 Flaw in registration bookeeping can make DN die on reconnect Critical . Kihwal Lee Kihwal Lee
HDFS-8388 Time and Date format need to be in sync in NameNode UI page Minor . Archana T Surendra Singh Lilhore
YARN-4073 Unused ApplicationACLsManager in ContainerManagerImpl Trivial . Naganarasimha G R Naganarasimha G R
HDFS-9003 ForkJoin thread pool leaks Major . Kihwal Lee Kihwal Lee
HDFS-8885 ByteRangeInputStream used in webhdfs does not override available() Minor webhdfs Shradha Revankar Shradha Revankar
HADOOP-10318 Incorrect reference to nodeFile in RumenToSLSConverter error message Minor . Ted Yu Wei Yan
HADOOP-12213 Interrupted exception can occur when Client#stop is called Minor . Oleg Zhurakousky Kuhu Shukla
HDFS-9009 Send metrics logs to NullAppender by default Major logging Arpit Agarwal Arpit Agarwal
HDFS-8964 When validating the edit log, do not read at or beyond the file offset that is being written Major journal-node, namenode Zhe Zhang Zhe Zhang
HDFS-8939 Test(S)WebHdfsFileContextMainOperations failing on branch-2 Major webhdfs Jakob Homan Chris Nauroth
YARN-4103 RM WebServices missing scheme for appattempts logLinks Major . Jonathan Eagles Jonathan Eagles
YARN-4105 Capacity Scheduler headroom for DRF is wrong Major capacityscheduler Chang Li Chang Li
MAPREDUCE-6442 Stack trace is missing when error occurs in client protocol provider’s constructor Major client Chang Li Chang Li
YARN-3591 Resource localization on a bad disk causes subsequent containers failure Major . Lavkesh Lahngir Lavkesh Lahngir
YARN-4121 Typos in capacity scheduler documentation. Trivial documentation Kai Sasaki Kai Sasaki
YARN-4096 App local logs are leaked if log aggregation fails to initialize for the app Major log-aggregation, nodemanager Jason Lowe Jason Lowe
HADOOP-12388 Fix components’ version information in the web page ‘About the Cluster’ Minor util Jun Gong Jun Gong
HDFS-9033 dfsadmin -metasave prints “NaN” for cache used% Major . Archana T Brahma Reddy Battula
HDFS-8716 introduce a new config specifically for safe mode block count Major . Chang Li Chang Li
HDFS-8581 ContentSummary on / skips further counts on yielding lock Minor namenode tongshiquan J.Andreina
HDFS-6763 Initialize file system-wide quota once on transitioning to active Major ha, namenode Daryn Sharp Kihwal Lee
MAPREDUCE-6474 ShuffleHandler can possibly exhaust nodemanager file descriptors Major mrv2, nodemanager Nathan Roberts Kuhu Shukla
YARN-4106 NodeLabels for NM in distributed mode is not updated even after clusterNodelabel addition in RM Major . Bibin A Chundatt Bibin A Chundatt
YARN-4115 Reduce loglevel of ContainerManagementProtocolProxy to Debug Minor . Anubhav Dhoot Anubhav Dhoot
HADOOP-12348 MetricsSystemImpl creates MetricsSourceAdapter with wrong time unit parameter. Major metrics zhihai xu zhihai xu
HDFS-9042 Update document for the Storage policy name Minor documentation J.Andreina J.Andreina
HDFS-9036 In BlockPlacementPolicyWithNodeGroup#chooseLocalStorage , random node is selected eventhough fallbackToLocalRack is true. Major . J.Andreina J.Andreina
HADOOP-12407 Test failing: hadoop.ipc.TestSaslRPC Critical security, test Steve Loughran Steve Loughran
HADOOP-12087 [JDK8] Fix javadoc errors caused by incorrect or illegal tags Major documentation Akira Ajisaka Akira Ajisaka
HDFS-9069 TestNameNodeMetricsLogger failing -port in use Critical test Steve Loughran Steve Loughran
HDFS-8996 Consolidate validateLog and scanLog in FJM#EditLogFile Major journal-node, namenode Zhe Zhang Zhe Zhang
YARN-4151 Fix findbugs errors in hadoop-yarn-server-common module Major . MENG DING MENG DING
HDFS-9067 o.a.h.hdfs.server.datanode.fsdataset.impl.TestLazyWriter is failing in trunk Critical . Haohui Mai Surendra Singh Lilhore
MAPREDUCE-6472 MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks Major mr-am Jason Lowe Naganarasimha G R
HADOOP-12374 Description of hdfs expunge command is confusing Major documentation, trash Weiwei Yang Weiwei Yang
YARN-4078 getPendingResourceRequestForAttempt is present in AbstractYarnScheduler should be present in YarnScheduler interface instead Minor resourcemanager Naganarasimha G R Naganarasimha G R
HDFS-9072 Fix random failures in TestJMXGet Critical test J.Andreina J.Andreina
HDFS-9073 Fix failures in TestLazyPersistLockedMemory#testReleaseOnEviction Critical test J.Andreina J.Andreina
YARN-3433 Jersey tests failing with Port in Use -again Critical build, test Steve Loughran Brahma Reddy Battula
HADOOP-12417 TestWebDelegationToken failing with port in use Major test Steve Loughran Mingliang Liu
MAPREDUCE-6481 LineRecordReader may give incomplete record and wrong position/key information for uncompressed input sometimes. Critical mrv2 zhihai xu zhihai xu
MAPREDUCE-5002 AM could potentially allocate a reduce container to a map attempt Major mr-am Jason Lowe Chang Li
MAPREDUCE-5982 Task attempts that fail from the ASSIGNED state can disappear Major mr-am Jason Lowe Chang Li
HADOOP-12386 RetryPolicies.RETRY_FOREVER should be able to specify a retry interval Major . Wangda Tan Sunil G
YARN-3697 FairScheduler: ContinuousSchedulingThread can fail to shutdown Critical fairscheduler zhihai xu zhihai xu
HDFS-6955 DN should reserve disk space for a full block when creating tmp files Major datanode Arpit Agarwal Kanaka Kumar Avvaru
HDFS-5802 NameNode does not check for inode type before traversing down a path Trivial namenode Harsh J Xiao Chen
MAPREDUCE-6460 TestRMContainerAllocator.testAttemptNotFoundCausesRMCommunicatorException fails Major test zhihai xu zhihai xu
YARN-4167 NPE on RMActiveServices#serviceStop when store is null Minor . Bibin A Chundatt Bibin A Chundatt
YARN-4113 RM should respect retry-interval when uses RetryPolicies.RETRY_FOREVER Critical . Wangda Tan Sunil G
YARN-4188 MoveApplicationAcrossQueuesResponse should be an abstract class Minor resourcemanager Giovanni Matteo Fumarola Giovanni Matteo Fumarola
HDFS-9043 Doc updation for commands in HDFS Federation Minor documentation J.Andreina J.Andreina
HDFS-9013 Deprecate NameNodeMXBean#getNNStarted in branch2 and remove from trunk Major namenode Surendra Singh Lilhore Surendra Singh Lilhore
YARN-3975 WebAppProxyServlet should not redirect to RM page if AHS is enabled Major . Mit Desai Mit Desai
HADOOP-12438 Reset RawLocalFileSystem.useDeprecatedFileStatus in TestLocalFileSystem Trivial test Chris Nauroth Chris Nauroth
HDFS-9128 TestWebHdfsFileContextMainOperations and TestSWebHdfsFileContextMainOperations fail due to invalid HDFS path on Windows. Trivial test Chris Nauroth Chris Nauroth
YARN-4152 NM crash with NPE when LogAggregationService#stopContainer called for absent container Critical log-aggregation, nodemanager Bibin A Chundatt Bibin A Chundatt
YARN-4044 Running applications information changes such as movequeue is not published to TimeLine server Critical resourcemanager, timelineserver Sunil G Sunil G
HDFS-9076 Log full path instead of inodeId in DFSClient#closeAllFilesBeingWritten() Major hdfs-client Surendra Singh Lilhore Surendra Singh Lilhore
MAPREDUCE-6484 Yarn Client uses local address instead of RM address as token renewer in a secure cluster when RM HA is enabled. Major client, security zhihai xu zhihai xu
HADOOP-12437 Allow SecurityUtil to lookup alternate hostnames Major net, security Arpit Agarwal Arpit Agarwal
HADOOP-12252 LocalDirAllocator should not throw NPE with empty string configuration. Minor fs zhihai xu zhihai xu
YARN-3624 ApplicationHistoryServer reverses the order of the filters it gets Major timelineserver Mit Desai Mit Desai
HDFS-9123 Copying from the root to a subdirectory should be forbidden Minor fs Wei-Chiu Chuang Wei-Chiu Chuang
MAPREDUCE-6480 archive-logs tool may miss applications Major . Robert Kanter Robert Kanter
HDFS-9107 Prevent NN’s unrecoverable death spiral after full GC Critical namenode Daryn Sharp Daryn Sharp
HDFS-9133 ExternalBlockReader and ReplicaAccessor need to return -1 on read when at EOF Major hdfs-client Colin P. McCabe Colin P. McCabe
HDFS-9080 update htrace version to 4.0.1 Major tracing Colin P. McCabe Colin P. McCabe
YARN-4204 ConcurrentModificationException in FairSchedulerQueueInfo Major . Anubhav Dhoot Anubhav Dhoot
HDFS-9106 Transfer failure during pipeline recovery causes permanent write failures Critical . Kihwal Lee Kihwal Lee
HDFS-9147 Fix the setting of visibleLength in ExternalBlockReader Major hdfs-client Colin P. McCabe Colin P. McCabe
MAPREDUCE-6492 AsyncDispatcher exit with NPE on TaskAttemptImpl#sendJHStartEventForAssignedFailTask Critical . Bibin A Chundatt Bibin A Chundatt
HADOOP-12440 TestRPC#testRPCServerShutdown did not produce the desired thread states before shutting down Minor . Xiao Chen Xiao Chen
HDFS-9092 Nfs silently drops overlapping write requests and causes data copying to fail Major nfs Yongjun Zhang Yongjun Zhang
YARN-4180 AMLauncher does not retry on failures when talking to NM Critical resourcemanager Anubhav Dhoot Anubhav Dhoot
HDFS-9141 Thread leak in Datanode#refreshVolumes Major datanode Uma Maheswara Rao G Uma Maheswara Rao G
YARN-4066 Large number of queues choke fair scheduler Major fairscheduler Johan Gustavsson Johan Gustavsson
HADOOP-12447 Clean up some htrace integration issues Major tracing Colin P. McCabe Colin P. McCabe
HDFS-9174 Fix findbugs warnings in FSOutputSummer.tracer and DirectoryScanner$ReportCompiler.currentThread Critical . Yi Liu Yi Liu
HDFS-9001 DFSUtil.getNsServiceRpcUris() can return too many entries in a non-HA, non-federated cluster Major . Daniel Templeton Daniel Templeton
HADOOP-12448 TestTextCommand: use mkdirs rather than mkdir to create test directory Major test Colin P. McCabe Colin P. McCabe
MAPREDUCE-6494 Permission issue when running archive-logs tool as different users Major . Robert Kanter Robert Kanter
MAPREDUCE-6497 Fix wrong value of JOB_FINISHED event in JobHistoryEventHandler Major . Shinichi Yamashita Shinichi Yamashita
HADOOP-10296 Incorrect null check in SwiftRestClient#buildException() Minor . Ted Yu Kanaka Kumar Avvaru
HADOOP-8437 getLocalPathForWrite should throw IOException for invalid paths Major fs Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6485 MR job hanged forever because all resources are taken up by reducers and the last map attempt never get resource to run Critical applicationmaster Bob.zhao Xianyin Xin
HDFS-9191 Typo in Hdfs.java. NoSuchElementException is misspelled Trivial documentation Catherine Palmer Catherine Palmer
HDFS-9100 HDFS Balancer does not respect dfs.client.use.datanode.hostname Major balancer & mover Yongjun Zhang Casey Brotherton
YARN-3619 ContainerMetrics unregisters during getMetrics and leads to ConcurrentModificationException Major nodemanager Jason Lowe zhihai xu
HDFS-9193 Fix incorrect references the usages of the DN in dfshealth.js Minor . Chang Li Chang Li
HADOOP-11098 [JDK8] Max Non Heap Memory default changed between JDK7 and 8 Major . Travis Thompson Tsuyoshi Ozawa
HADOOP-12441 Fix kill command behavior under some Linux distributions. Critical . Wangda Tan Wangda Tan
HADOOP-12452 Fix tracing documention reflecting the update to htrace-4 Major documentation Masatake Iwasaki Masatake Iwasaki
YARN-4176 Resync NM nodelabels with RM periodically for distributed nodelabels Major . Bibin A Chundatt Bibin A Chundatt
HDFS-7899 Improve EOF error message Minor hdfs-client Harsh J Jagadesh Kiran N
MAPREDUCE-6503 archive-logs tool should use HADOOP_PREFIX instead of HADOOP_HOME Major . Robert Kanter Robert Kanter
YARN-4209 RMStateStore FENCED state doesn’t work due to updateFencedState called by stateMachine.doTransition Critical resourcemanager zhihai xu zhihai xu
HDFS-9196 Fix TestWebHdfsContentLength Major . Tsuyoshi Ozawa Masatake Iwasaki
HDFS-9178 Slow datanode I/O can cause a wrong node to be marked bad Critical . Kihwal Lee Kihwal Lee
HADOOP-12465 Incorrect javadoc in WritableUtils.java Minor documentation Martin Petricek Jagadesh Kiran N
HDFS-9176 TestDirectoryScanner#testThrottling often fails. Minor test Yi Liu Daniel Templeton
HDFS-9211 Fix incorrect version in hadoop-hdfs-native-client/pom.xml from HDFS-9170 branch-2 backport Major build Eric Payne Eric Payne
HDFS-9137 DeadLock between DataNode#refreshVolumes and BPOfferService#registrationSucceeded Major datanode Uma Maheswara Rao G Uma Maheswara Rao G
HDFS-8164 cTime is 0 in VERSION file for newly formatted NameNode. Minor namenode Chris Nauroth Xiao Chen
YARN-4235 FairScheduler PrimaryGroup does not handle empty groups returned for a user Major fairscheduler Anubhav Dhoot Anubhav Dhoot
MAPREDUCE-6302 Preempt reducers after a configurable timeout irrespective of headroom Critical . mai shurong Karthik Kambatla
HDFS-9142 Separating Configuration object for namenode(s) in MiniDFSCluster Major . Siqi Li Siqi Li
HDFS-8941 DistributedFileSystem listCorruptFileBlocks API should resolve relative path Major hdfs-client Rakesh R Rakesh R
HDFS-9222 Add hadoop-hdfs-client as a dependency of hadoop-hdfs-native-client Major . Haohui Mai Mingliang Liu
YARN-4201 AMBlacklist does not work for minicluster Major resourcemanager Jun Gong Jun Gong
HDFS-9215 Suppress the RAT warnings in hdfs-native-client module Minor . Haohui Mai Haohui Mai
HDFS-9224 TestFileTruncate fails intermittently with BindException Major test Brahma Reddy Battula Brahma Reddy Battula
YARN-4017 container-executor overuses PATH_MAX Major nodemanager Allen Wittenauer Sidharta Seethana
HDFS-8676 Delayed rolling upgrade finalization can cause heartbeat expiration and write failures Critical . Kihwal Lee Walter Su
HADOOP-12474 MiniKMS should use random ports for Jetty server by default Major . Mingliang Liu Mingliang Liu
HADOOP-12449 TestDNS and TestNetUtils failing if no network Minor test Steve Loughran Steve Loughran
HADOOP-11515 Upgrade jsch lib to jsch-0.1.51 to avoid problems running on java7 Major build Johannes Zillmann Tsuyoshi Ozawa
HDFS-9235 hdfs-native-client build getting errors when built with cmake 2.6 Minor hdfs-client Eric Payne Eric Payne
HDFS-8779 WebUI fails to display block IDs that are larger than 2^53 - 1 Minor webhdfs Walter Su Haohui Mai
HDFS-9187 Fix null pointer error in Globber when FS was not constructed via FileSystem#createFileSystem Major tracing stack Colin P. McCabe
HDFS-1172 Blocks in newly completed files are considered under-replicated too quickly Major namenode Todd Lipcon Masatake Iwasaki
YARN-4250 NPE in AppSchedulingInfo#isRequestLabelChanged Major resourcemanager, scheduler Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12478 Shell.getWinUtilsPath() has been renamed Shell.getWinutilsPath() Critical util Steve Loughran Steve Loughran
HDFS-9220 Reading small file (< 512 bytes) that is open for append fails due to incorrect checksum Blocker . Bogdan Raducanu Jing Zhao
HADOOP-12479 ProtocMojo does not log the reason for a protoc compilation failure. Minor build Chris Nauroth Chris Nauroth
HADOOP-11628 SPNEGO auth does not work with CNAMEs in JDK8 Blocker security Daryn Sharp Daryn Sharp
YARN-2597 MiniYARNCluster should propagate reason for AHS not starting Major test Steve Loughran Steve Loughran
YARN-4155 TestLogAggregationService.testLogAggregationServiceWithInterval failing Critical test Steve Loughran Bibin A Chundatt
HADOOP-10941 Proxy user verification NPEs if remote host is unresolvable Critical ipc, security Daryn Sharp Benoy Antony
HADOOP-12483 Maintain wrapped SASL ordering for postponed IPC responses Critical ipc Daryn Sharp Daryn Sharp
HDFS-9237 NPE at TestDataNodeVolumeFailureToleration#tearDown Major test Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12464 Interrupted client may try to fail-over and retry Major ipc Kihwal Lee Kihwal Lee
YARN-4270 Limit application resource reservation on nodes for non-node/rack specific requests Major fairscheduler Arun Suresh Arun Suresh
HDFS-9208 Disabling atime may fail clients like distCp Major . Kihwal Lee Kihwal Lee
HDFS-9270 TestShortCircuitLocalRead should not leave socket after unit test Minor test Masatake Iwasaki Masatake Iwasaki
HADOOP-12418 TestRPC.testRPCInterruptedSimple fails intermittently Major test Steve Loughran Kihwal Lee
MAPREDUCE-6495 Docs for archive-logs tool Major documentation Robert Kanter Robert Kanter
HDFS-3059 ssl-server.xml causes NullPointer Minor datanode, security Evert Lammerts Xiao Chen
HDFS-9274 Default value of dfs.datanode.directoryscan.throttle.limit.ms.per.sec should be consistent Trivial datanode Yi Liu Yi Liu
MAPREDUCE-6518 Set SO_KEEPALIVE on shuffle connections Major mrv2, nodemanager Nathan Roberts Chang Li
HDFS-9225 Fix intermittent test failure of TestBlockManager.testBlocksAreNotUnderreplicatedInSingleRack Minor test Masatake Iwasaki Masatake Iwasaki
HDFS-9273 ACLs on root directory may be lost after NN restart Critical namenode Xiao Chen Xiao Chen
YARN-4000 RM crashes with NPE if leaf queue becomes parent queue during restart Major capacityscheduler, resourcemanager Jason Lowe Varun Saxena
HADOOP-9692 Improving log message when SequenceFile reader throws EOFException on zero-length file Major . Chu Tong Zhe Zhang
YARN-4256 YARN fair scheduler vcores with decimal values Minor fairscheduler Prabhu Joseph Jun Gong
HADOOP-12484 Single File Rename Throws Incorrectly In Potential Race Condition Scenarios Major tools Gaurav Kanade Gaurav Kanade
HDFS-9286 HttpFs does not parse ACL syntax correctly for operation REMOVEACLENTRIES Major fs Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4009 CORS support for ResourceManager REST API Major . Prakash Ramachandran Varun Vasudev
YARN-4041 Slow delegation token renewal can severely prolong RM recovery Major resourcemanager Jason Lowe Sunil G
HDFS-9290 DFSClient#callAppend() is not backward compatible for slightly older NameNodes Blocker . Tony Wu Tony Wu
HDFS-9301 HDFS clients can’t construct HdfsConfiguration instances Major . Steve Loughran Mingliang Liu
YARN-4294 [JDK8] Fix javadoc errors caused by wrong reference and illegal tag Blocker build, documentation Akira Ajisaka Akira Ajisaka
YARN-4289 TestDistributedShell failing with bind exception Major test Brahma Reddy Battula Brahma Reddy Battula
YARN-4296 DistributedShell Log.info is not friendly Major applications/distributed-shell Xiaowei Wang Xiaowei Wang
YARN-4246 NPE while listing app attempt Major . Varun Saxena nijel
YARN-4223 Findbugs warnings in hadoop-yarn-server-nodemanager project Minor nodemanager Varun Saxena Varun Saxena
HADOOP-12513 Dockerfile lacks initial ‘apt-get update’ Trivial build Akihiro Suda Akihiro Suda
YARN-4284 condition for AM blacklisting is too narrow Major resourcemanager Sangjin Lee Sangjin Lee
HDFS-9268 fuse_dfs chown crashes when uid is passed as -1 Minor . Wei-Chiu Chuang Colin P. McCabe
HDFS-9284 fsck command should not print exception trace when file not found Major . Jagadesh Kiran N Jagadesh Kiran N
HDFS-9305 Delayed heartbeat processing causes storm of subsequent heartbeats Major datanode Chris Nauroth Arpit Agarwal
YARN-4169 Fix racing condition of TestNodeStatusUpdaterForLabels Critical test Steve Loughran Naganarasimha G R
YARN-4300 [JDK8] Fix javadoc errors caused by wrong tags Blocker build, documentation Akira Ajisaka Akira Ajisaka
YARN-4302 SLS not able start due to NPE in SchedulerApplicationAttempt#getResourceUsageReport Major . Bibin A Chundatt Bibin A Chundatt
HADOOP-12178 NPE during handling of SASL setup if problem with SASL resolver class Minor ipc Steve Loughran Steve Loughran
HADOOP-11685 StorageException complaining " no lease ID" during HBase distributed log splitting Major tools Duo Xu Duo Xu
HDFS-9231 fsck doesn’t list correct file path when Bad Replicas/Blocks are in a snapshot Major snapshots Xiao Chen Xiao Chen
HDFS-9302 WebHDFS truncate throws NullPointerException if newLength is not provided Minor webhdfs Karthik Palaniappan Jagadesh Kiran N
YARN-4251 TestAMRMClientOnRMRestart#testAMRMClientOnAMRMTokenRollOverOnRMRestart is failing Major test Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12519 hadoop-azure tests should avoid creating a metrics configuration file in the module root directory. Minor fs/azure, test Chris Nauroth Chris Nauroth
HDFS-9279 Decomissioned capacity should not be considered for configured/used capacity Major . Kuhu Shukla Kuhu Shukla
HDFS-9044 Give Priority to FavouredNodes , before selecting nodes from FavouredNode’s Node Group Major . J.Andreina J.Andreina
YARN-4130 Duplicate declaration of ApplicationId in RMAppManager#submitApplication method Trivial resourcemanager Kai Sasaki Kai Sasaki
YARN-4288 NodeManager restart should keep retrying to register to RM while connection exception happens during RM failed over. Critical nodemanager Junping Du Junping Du
MAPREDUCE-6515 Update Application priority in AM side from AM-RM heartbeat Major applicationmaster Sunil G Sunil G
HDFS-9332 Fix Precondition failures from NameNodeEditLogRoller while saving namespace Major . Andrew Wang Andrew Wang
YARN-4313 Race condition in MiniMRYarnCluster when getting history server address Major . Jian He Jian He
YARN-4312 TestSubmitApplicationWithRMHA fails on branch-2.7 and branch-2.6 as some of the test cases time out Major . Varun Saxena Varun Saxena
YARN-4320 TestJobHistoryEventHandler fails as AHS in MiniYarnCluster no longer binds to default port 8188 Major . Varun Saxena Varun Saxena
MAPREDUCE-6528 Memory leak for HistoryFileManager.getJobSummary() Critical jobhistoryserver Junping Du Junping Du
MAPREDUCE-6451 DistCp has incorrect chunkFilePath for multiple jobs when strategy is dynamic Major distcp Kuhu Shukla Kuhu Shukla
HADOOP-12533 Introduce FileNotFoundException in WASB for read and seek API Major tools Dushyanth Dushyanth
HADOOP-12508 delete fails with exception when lease is held on blob Blocker fs/azure Gaurav Kanade Gaurav Kanade
HDFS-9329 TestBootstrapStandby#testRateThrottling is flaky because fsimage size is smaller than IO buffer size Minor test Zhe Zhang Zhe Zhang
HDFS-9313 Possible NullPointerException in BlockManager if no excess replica can be chosen Major . Ming Ma Ming Ma
HADOOP-12542 TestDNS fails on Windows after HADOOP-12437. Major net Chris Nauroth Chris Nauroth
YARN-4326 Fix TestDistributedShell timeout as AHS in MiniYarnCluster no longer binds to default port 8188 Major . MENG DING MENG DING
HDFS-9289 Make DataStreamer#block thread safe and verify genStamp in commitBlock Critical . Chang Li Chang Li
YARN-4127 RM fail with noAuth error if switched from failover mode to non-failover mode Major resourcemanager Jian He Varun Saxena
HDFS-9351 checkNNStartup() need to be called when fsck calls FSNamesystem.getSnapshottableDirs() Major namenode Yongjun Zhang Xiao Chen
HADOOP-12296 when setnetgrent returns 0 in linux, exception should be thrown Major . Chang Li Chang Li
HDFS-9357 NN UI renders icons of decommissioned DN incorrectly Critical . Archana T Surendra Singh Lilhore
HADOOP-12540 TestAzureFileSystemInstrumentation#testClientErrorMetrics fails intermittently due to assumption that a lease error will be thrown. Major fs/azure, test Chris Nauroth Gaurav Kanade
HDFS-9360 Storage type usage isn’t updated properly after file deletion Major . Ming Ma Ming Ma
HDFS-9378 hadoop-hdfs-client tests do not write logs. Minor test Chris Nauroth Chris Nauroth
HDFS-4937 ReplicationMonitor can infinite-loop in BlockPlacementPolicyDefault#chooseRandom() Major namenode Kihwal Lee Kihwal Lee
HDFS-9372 Remove dead code in DataStorage.recoverTransitionRead Major datanode Duo Zhang Duo Zhang
HDFS-9384 TestWebHdfsContentLength intermittently hangs and fails due to TCP conversation mismatch between client and server. Minor test Chris Nauroth Chris Nauroth
HDFS-6481 DatanodeManager#getDatanodeStorageInfos() should check the length of storageIDs Minor namenode Ted Yu Tsz Wo Nicholas Sze
HDFS-9318 considerLoad factor can be improved Major . Kuhu Shukla Kuhu Shukla
HDFS-9236 Missing sanity check for block size during block recovery Major datanode Tony Wu Tony Wu
HDFS-9394 branch-2 hadoop-hdfs-client fails during FileSystem ServiceLoader initialization, because HftpFileSystem is missing. Critical hdfs-client Chris Nauroth Mingliang Liu
HADOOP-12526 [Branch-2] there are duplicate dependency definitions in pom’s Major build Sangjin Lee Sangjin Lee
MAPREDUCE-5763 Warn message about httpshuffle in NM logs Major . Sandy Ryza Akira Ajisaka
HDFS-9383 TestByteArrayManager#testByteArrayManager fails Major . Kihwal Lee Tsz Wo Nicholas Sze
HDFS-9249 NPE is thrown if an IOException is thrown in NameNode constructor Minor namenode Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-2261 AOP unit tests are not getting compiled or run Minor test Giridharan Kesavan Haohui Mai
HDFS-9401 Fix findbugs warnings in BlockRecoveryWorker Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12482 Race condition in JMX cache update Major . Tony Wu Tony Wu
HDFS-9364 Unnecessary DNS resolution attempts when creating NameNodeProxies Major ha, performance Xiao Chen Xiao Chen
HADOOP-12560 Fix sprintf warnings in {{DomainSocket.c}} introduced by HADOOP-12344 Major native Colin P. McCabe Mingliang Liu
HDFS-9245 Fix findbugs warnings in hdfs-nfs/WriteCtx Major nfs Mingliang Liu Mingliang Liu
YARN-4241 Fix typo of property name in yarn-default.xml Major documentation Anthony Rojas Anthony Rojas
MAPREDUCE-6533 testDetermineCacheVisibilities of TestClientDistributedCacheManager is broken Major . Chang Li Chang Li
HDFS-9396 Total files and directories on jmx and web UI on standby is uninitialized Blocker . Kihwal Lee Kihwal Lee
MAPREDUCE-6540 TestMRTimelineEventHandling fails Major test Sangjin Lee Sangjin Lee
YARN-4347 Resource manager fails with Null pointer exception Major yarn Yesha Vora Jian He
HADOOP-12545 Hadoop javadoc has broken links for AccessControlList, ImpersonationProvider, DefaultImpersonationProvider, and DistCp Major documentation Mohammad Arshad Mohammad Arshad
YARN-4354 Public resource localization fails with NPE Blocker nodemanager Jason Lowe Jason Lowe
HDFS-9413 getContentSummary() on standby should throw StandbyException Critical . Brahma Reddy Battula Brahma Reddy Battula
HDFS-9358 TestNodeCount#testNodeCount timed out Major test Wei-Chiu Chuang Masatake Iwasaki
HDFS-9397 Fix typo for readChecksum() LOG.warn in BlockSender.java Trivial . Enrique Flores Enrique Flores
HDFS-9400 TestRollingUpgradeRollback fails on branch-2. Blocker . Chris Nauroth Brahma Reddy Battula
YARN-4367 SLS webapp doesn’t load Major scheduler-load-simulator Karthik Kambatla Karthik Kambatla
HDFS-9431 DistributedFileSystem#concat fails if the target path is relative. Major hdfs-client Kazuho Fujii Kazuho Fujii
YARN-2859 ApplicationHistoryServer binds to default port 8188 in MiniYARNCluster Critical timelineserver Hitesh Shah Vinod Kumar Vavilapalli
YARN-4374 RM capacity scheduler UI rounds user limit factor Major capacityscheduler Chang Li Chang Li
YARN-3769 Consider user limit when calculating total pending resource for preemption policy in Capacity Scheduler Major capacityscheduler Eric Payne Eric Payne
HDFS-9443 Disabling HDFS client socket cache causes logging message printed to console for CLI commands. Trivial hdfs-client Chris Nauroth Chris Nauroth
HADOOP-11218 Add TLSv1.1,TLSv1.2 to KMS, HttpFS, SSLFactory Critical kms Robert Kanter Vijay Singh
HADOOP-12467 Respect user-defined JAVA_LIBRARY_PATH in Windows Hadoop scripts Minor scripts Radhey Shah Radhey Shah
HADOOP-12181 Fix intermittent test failure of TestZKSignerSecretProvider Minor . Masatake Iwasaki Masatake Iwasaki
HDFS-6885 Fix wrong use of BytesWritable in FSEditLogOp#RenameOp Minor namenode Yi Liu Yi Liu
HADOOP-12098 Remove redundant test dependencies in Hadoop Archives Minor . Varun Saxena Varun Saxena
HDFS-7897 Shutdown metrics when stopping JournalNode Major . zhouyingchao zhouyingchao
HADOOP-11149 Increase the timeout of TestZKFailoverController Major test Rajat Jain Steve Loughran
HADOOP-11677 Add cookie flags for logs and static contexts Major . nijel nijel
HDFS-9356 Decommissioning node does not have Last Contact value in the UI Major . Archana T Surendra Singh Lilhore
HADOOP-12313 NPE in JvmPauseMonitor when calling stop() before start() Critical . Rohith Sharma K S Gabor Liptak
HDFS-9428 Fix intermittent failure of TestDNFencing.testQueueingWithAppend Minor test Masatake Iwasaki Masatake Iwasaki
HDFS-9435 TestBlockRecovery#testRBWReplicas is failing intermittently Major . Rakesh R Rakesh R
HADOOP-12577 Bump up commons-collections version to 3.2.2 to address a security flaw Blocker build, security Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4344 NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations Critical resourcemanager Varun Vasudev Varun Vasudev
HADOOP-9822 create constant MAX_CAPACITY in RetryCache rather than hard-coding 16 in RetryCache constructor Minor . Tsuyoshi Ozawa Tsuyoshi Ozawa
YARN-4298 Fix findbugs warnings in hadoop-yarn-common Minor . Varun Saxena Sunil G
YARN-4387 Fix typo in FairScheduler log message Minor fairscheduler Xin Wang Xin Wang
HDFS-6101 TestReplaceDatanodeOnFailure fails occasionally Major test Arpit Agarwal Wei-Chiu Chuang
HDFS-8855 Webhdfs client leaks active NameNode connections Major webhdfs Bob Hansen Xiaobing Zhou
HDFS-8335 FSNamesystem should construct FSPermissionChecker only if permission is enabled Major . David Bryson Gabor Liptak
MAPREDUCE-5883 “Total megabyte-seconds” in job counters is slightly misleading Minor . Nathan Roberts Nathan Roberts
YARN-4365 FileSystemNodeLabelStore should check for root dir existence on startup Major resourcemanager Jason Lowe Kuhu Shukla
HDFS-8807 dfs.datanode.data.dir does not handle spaces between storageType and URI correctly Major datanode Anu Engineer Anu Engineer
HADOOP-12415 hdfs and nfs builds broken on -missing compile-time dependency on netty Major nfs Konstantin Boudnik Tom Zeng
MAPREDUCE-6553 Replace ‘\u2b05’ with ‘<-’ in rendering job configuration Minor jobhistoryserver Akira Ajisaka Gabor Liptak
HADOOP-12598 add XML namespace declarations for some hadoop/tools modules Minor build, tools Xin Wang Xin Wang
YARN-4380 TestResourceLocalizationService.testDownloadingResourcesOnContainerKill fails intermittently Major test Tsuyoshi Ozawa Varun Saxena
MAPREDUCE-6557 Some tests in mapreduce-client-app are writing outside of target Blocker build Allen Wittenauer Akira Ajisaka
HDFS-9459 hadoop-hdfs-native-client fails test build on Windows after transition to ctest. Blocker build, test Chris Nauroth Chris Nauroth
HDFS-9407 TestFileTruncate fails with BindException Major test Brahma Reddy Battula Brahma Reddy Battula
HDFS-9467 Fix data race accessing writeLockHeldTimeStamp in FSNamesystem Major namenode Mingliang Liu Mingliang Liu
MAPREDUCE-6549 multibyte delimiters with LineRecordReader cause duplicate records Major mrv1, mrv2 Dustin Cote Wilfred Spiegelenburg
MAPREDUCE-6550 archive-logs tool changes log ownership to the Yarn user when using DefaultContainerExecutor Major . Robert Kanter Robert Kanter
HADOOP-12468 Partial group resolution failure should not result in user lockout Minor security Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9426 Rollingupgrade finalization is not backward compatible Blocker . Kihwal Lee Kihwal Lee
HADOOP-10406 TestIPC.testIpcWithReaderQueuing may fail Major ipc Tsz Wo Nicholas Sze Xiao Chen
HDFS-9470 Encryption zone on root not loaded from fsimage after NN restart Critical . Xiao Chen Xiao Chen
HDFS-9336 deleteSnapshot throws NPE when snapshotname is null Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12609 Fix intermittent failure of TestDecayRpcScheduler Minor ipc, test Masatake Iwasaki Masatake Iwasaki
HDFS-6533 TestBPOfferService#testBasicFunctionalitytest fails intermittently Major datanode, hdfs-client Yongjun Zhang Wei-Chiu Chuang
YARN-4398 Yarn recover functionality causes the cluster running slowly and the cluster usage rate is far below 100 Major resourcemanager NING DING NING DING
HDFS-9294 DFSClient deadlock when close file and failed to renew lease Blocker hdfs-client DENG FEI Brahma Reddy Battula
HADOOP-12565 Replace DSA with RSA for SSH key type in SingleCluster.md Minor documentation Alexander Veit Mingliang Liu
YARN-4408 NodeManager still reports negative running containers Major nodemanager Robert Kanter Robert Kanter
HDFS-9430 Remove waitForLoadingFSImage since checkNNStartup has ensured image loaded and namenode started. Major . Brahma Reddy Battula Brahma Reddy Battula
YARN-4392 ApplicationCreatedEvent event time resets after RM restart/failover Critical . Xuan Gong Naganarasimha G R
YARN-4422 Generic AHS sometimes doesn’t show started, node, or logs on App page Major . Eric Payne Eric Payne
YARN-4424 Fix deadlock in RMAppImpl Blocker . Yesha Vora Jian He
HADOOP-12617 SPNEGO authentication request to non-default realm gets default realm name inserted in target server principal Major security Matt Foley Matt Foley
YARN-4431 Not necessary to do unRegisterNM() if NM get stop due to failed to connect to RM Major nodemanager Junping Du Junping Du
YARN-4421 Remove dead code in RmAppImpl.RMAppRecoveredTransition Trivial resourcemanager Daniel Templeton Daniel Templeton
HADOOP-12618 NPE in TestSequenceFile Major test Brahma Reddy Battula Brahma Reddy Battula
YARN-4434 NodeManager Disk Checker parameter documentation is not correct Minor documentation, nodemanager Takashi Ohnishi Weiwei Yang
HADOOP-12602 TestMetricsSystemImpl#testQSize occasionally fail Major test Wei-Chiu Chuang Masatake Iwasaki
HDFS-9519 Some coding improvement in SecondaryNameNode#main Major namenode Yongjun Zhang Xiao Chen
HDFS-9514 TestDistributedFileSystem.testDFSClientPeerWriteTimeout failing; exception being swallowed Major hdfs-client, test Steve Loughran Wei-Chiu Chuang
HDFS-9535 Newly completed blocks in IBR should not be considered under-replicated too quickly Major namenode Jing Zhao Mingliang Liu
YARN-4418 AM Resource Limit per partition can be updated to ResourceUsage as well Major resourcemanager Sunil G Sunil G
YARN-4403 (AM/NM/Container)LivelinessMonitor should use monotonic time when calculating period Critical . Junping Du Junping Du
YARN-4402 TestNodeManagerShutdown And TestNodeManagerResync fails with bind exception Major test Brahma Reddy Battula Brahma Reddy Battula
YARN-4439 Clarify NMContainerStatus#toString method. Major . Jian He Jian He
YARN-4440 FSAppAttempt#getAllowedLocalityLevelByTime should init the lastScheduler time Major fairscheduler Yiqun Lin Yiqun Lin
HDFS-9516 truncate file fails with data dirs on multiple disks Major datanode Bogdan Raducanu Plamen Jeliazkov
HDFS-8894 Set SO_KEEPALIVE on DN server sockets Major datanode Nathan Roberts Kanaka Kumar Avvaru
YARN-4461 Redundant nodeLocalityDelay log in LeafQueue Trivial capacityscheduler Jason Lowe Eric Payne
YARN-4452 NPE when submit Unmanaged application Critical . Naganarasimha G R Naganarasimha G R
HDFS-9565 TestDistributedFileSystem.testLocatedFileStatusStorageIdsTypes is flaky due to race condition Minor fs, test Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4225 Add preemption status to yarn queue -status for capacity scheduler Minor capacity scheduler, yarn Eric Payne Eric Payne
HDFS-9515 NPE when MiniDFSCluster#shutdown is invoked on uninitialized reference Minor . Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9572 Prevent DataNode log spam if a client connects on the data transfer port but sends no data. Major datanode Chris Nauroth Chris Nauroth
HDFS-9533 seen_txid in the shared edits directory is modified during bootstrapping Major ha, namenode Kihwal Lee Kihwal Lee
HDFS-9571 Fix ASF Licence warnings in Jenkins reports Major test Brahma Reddy Battula Brahma Reddy Battula
HDFS-9393 After choosing favored nodes, choosing nodes for remaining replicas should go through BlockPlacementPolicy Major . J.Andreina J.Andreina
HDFS-9347 Invariant assumption in TestQuorumJournalManager.shutdown() is wrong Major test Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12656 MiniKdc throws “address in use” BindException Major . Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12636 Prevent ServiceLoader failure init for unused FileSystems Major fs Íñigo Goiri Íñigo Goiri
MAPREDUCE-6583 Clarify confusing sentence in MapReduce tutorial document Minor documentation chris snow Kai Sasaki
HDFS-9505 HDFS Architecture documentation needs to be refreshed. Major documentation Chris Nauroth Masatake Iwasaki
YARN-4454 NM to nodelabel mapping going wrong after RM restart Critical . Bibin A Chundatt Bibin A Chundatt
HDFS-9580 TestComputeInvalidateWork#testDatanodeReRegistration failed due to unexpected number of invalidate blocks. Major datanode, namenode, test Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4477 FairScheduler: Handle condition which can result in an infinite loop in attemptScheduling. Major fairscheduler Tao Jie Tao Jie
HDFS-9589 Block files which have been hardlinked should be duplicated before the DataNode appends to the them Major datanode Colin P. McCabe Colin P. McCabe
HDFS-9458 TestBackupNode always binds to port 50070, which can cause bind failures. Major test Chris Nauroth Xiao Chen
YARN-4109 Exception on RM scheduler page loading with labels Minor . Bibin A Chundatt Mohammad Shahid Khan
MAPREDUCE-6419 JobHistoryServer doesn’t sort properly based on Job ID when Job id’s exceed 9999 Major webapps Devaraj K Mohammad Shahid Khan
HDFS-9597 BaseReplicationPolicyTest should update data node stats after adding a data node Minor datanode, test Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12681 start-build-env.sh fails in branch-2 Blocker build Akira Ajisaka Kengo Seki
HDFS-7163 WebHdfsFileSystem should retry reads according to the configured retry policy. Major webhdfs Eric Payne Eric Payne
HADOOP-12559 KMS connection failures should trigger TGT renewal Major security Zhe Zhang Zhe Zhang
MAPREDUCE-6574 MR AM should print host of failed tasks. Major . Wangda Tan Mohammad Shahid Khan
MAPREDUCE-6589 TestTaskLog outputs a log under directory other than target/test-dir Major test Akira Ajisaka Akira Ajisaka
YARN-4315 NaN in Queue percentage for cluster apps page Minor . Bibin A Chundatt Bibin A Chundatt
YARN-1382 Remove unusableRMNodesConcurrentSet (never used) in NodeListManager to get rid of memory leak Major resourcemanager Alejandro Abdelnur Rohith Sharma K S
HADOOP-12682 Fix TestKMS#testKMSRestart* failure Major . Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12608 Fix exception message in WASB when connecting with anonymous credential Major tools Dushyanth Dushyanth
YARN-4524 Cleanup AppSchedulingInfo Major scheduler Karthik Kambatla Karthik Kambatla
YARN-4510 Fix SLS startup failure caused by NPE Critical . Bibin A Chundatt Bibin A Chundatt
MAPREDUCE-6593 TestJobHistoryEventHandler.testTimelineEventHandling fails on trunk because of NPE Major . Tsuyoshi Ozawa Naganarasimha G R
HDFS-9445 Datanode may deadlock while handling a bad volume Blocker . Kihwal Lee Walter Su
HADOOP-12658 Clear javadoc and check style issues around DomainSocket Trivial . Kai Zheng Kai Zheng
HADOOP-12604 Exception may be swallowed in KMSClientProvider Major kms Yongjun Zhang Yongjun Zhang
HDFS-9605 Add links to failed volumes to explorer.html in HDFS Web UI Minor . Archana T Archana T
MAPREDUCE-6577 MR AM unable to load native library without MR_AM_ADMIN_USER_ENV set Critical mr-am Sangjin Lee Sangjin Lee
HADOOP-12689 S3 filesystem operations stopped working correctly Major tools Matthew Paduano Matthew Paduano
YARN-4546 ResourceManager crash due to scheduling opportunity overflow Critical resourcemanager Jason Lowe Jason Lowe
HADOOP-12634 Change Lazy Rename Pending Operation Completion of WASB to address case of potential data loss due to partial copy Critical . Gaurav Kanade Gaurav Kanade
HDFS-9600 do not check replication if the block is under construction Critical . Phil Yang Phil Yang
HDFS-9619 SimulatedFSDataset sometimes can not find blockpool for the correct namenode Major datanode, test Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12675 Fix description about retention period in usage of expunge command Minor documentation Masatake Iwasaki Masatake Iwasaki
HADOOP-12613 TestFind.processArguments occasionally fails Major test Wei-Chiu Chuang Wei-Chiu Chuang
MAPREDUCE-6508 TestNetworkedJob fails consistently due to delegation token changes on RM. Major test Rohith Sharma K S Akira Ajisaka
HDFS-9574 Reduce client failures during datanode restart Major . Kihwal Lee Kihwal Lee
HDFS-9493 Test o.a.h.hdfs.server.namenode.TestMetaSave fails in trunk Major test Mingliang Liu Tony Wu
HADOOP-12678 Handle empty rename pending metadata file during atomic rename in redo path Critical fs/azure madhumita chakraborty madhumita chakraborty
HADOOP-12590 TestCompressorDecompressor failing without stack traces Critical test Steve Loughran John Zhuge
HADOOP-12587 Hadoop AuthToken refuses to work without a maxinactive attribute in issued token Blocker security Steve Loughran Benoy Antony
HADOOP-12551 Introduce FileNotFoundException for WASB FileSystem API Major tools Dushyanth Dushyanth
MAPREDUCE-6068 Illegal progress value warnings in map tasks Major mrv2, task Todd Lipcon Binglin Chang
HDFS-9639 Inconsistent Logging in BootstrapStandby Minor ha BELUGA BEHR Xiaobing Zhou
HDFS-9584 NPE in distcp when ssl configuration file does not exist in class path. Major distcp Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-12584 Disable browsing the static directory in HttpServer2 Major security Robert Kanter Robert Kanter
YARN-4567 javadoc failing on java 8 Blocker build Steve Loughran Steve Loughran
YARN-4414 Nodemanager connection errors are retried at multiple levels Major nodemanager Jason Lowe Chang Li
HADOOP-12603 TestSymlinkLocalFSFileContext#testSetTimesSymlinkToDir occasionally fail Major test Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4534 Remove the redundant symbol in yarn rmadmin help msg Trivial . Yiqun Lin Yiqun Lin
HADOOP-12700 Remove unused import in TestCompressorDecompressor.java Minor . John Zhuge John Zhuge
MAPREDUCE-6601 Fix typo in Job#setUseNewAPI Trivial . Kai Sasaki Kai Sasaki
YARN-3446 FairScheduler headroom calculation should exclude nodes in the blacklist Major fairscheduler zhihai xu zhihai xu
HDFS-9648 TestStartup.testImageChecksum is broken by HDFS-9569’s message change Trivial namenode Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12706 TestLocalFsFCStatistics#testStatisticsThreadLocalDataCleanUp times out occasionally Major test Jason Lowe Sangjin Lee
YARN-4581 AHS writer thread leak makes RM crash while RM is recovering Major resourcemanager sandflee sandflee
MAPREDUCE-6554 MRAppMaster servicestart failing with NPE in MRAppMaster#parsePreviousJobHistory Critical . Bibin A Chundatt Bibin A Chundatt
YARN-4389 “yarn.am.blacklisting.enabled” and “yarn.am.blacklisting.disable-failure-threshold” should be app specific rather than a setting for whole YARN cluster Critical applications Junping Du Sunil G
HDFS-9612 DistCp worker threads are not terminated after jobs are done. Major distcp Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12712 Fix some cmake plugin and native build warnings Minor native Colin P. McCabe Colin P. McCabe
YARN-4538 QueueMetrics pending cores and memory metrics wrong Major . Bibin A Chundatt Bibin A Chundatt
YARN-4596 SystemMetricPublisher should not swallow error messages from TimelineClient#putEntities Major timelineserver Li Lu Li Lu
YARN-4502 Fix two AM containers get allocated when AM restart Critical . Yesha Vora Vinod Kumar Vavilapalli
HDFS-9623 Update example configuration of block state change log in log4j.properties Minor logging Masatake Iwasaki Masatake Iwasaki
YARN-4565 When sizeBasedWeight enabled for FairOrderingPolicy in CapacityScheduler, Sometimes lead to situation where all queue resources consumed by AMs only Major capacity scheduler, capacityscheduler Karam Singh Wangda Tan
HADOOP-12356 Fix computing CPU usage statistics on Windows Major util Yunqi Zhang Íñigo Goiri
HDFS-9661 Deadlock in DN.FsDatasetImpl between moveBlockAcrossStorage and createRbw Major datanode ade ade
HDFS-9655 NN should start JVM pause monitor before loading fsimage Critical . John Zhuge John Zhuge
YARN-4559 Make leader elector and zk store share the same curator client Major . Jian He Jian He
HADOOP-12605 Fix intermittent failure of TestIPC.testIpcWithReaderQueuing Minor test Masatake Iwasaki Masatake Iwasaki
HDFS-9625 set replication for empty file failed when set storage policy Major namenode DENG FEI DENG FEI
HADOOP-12423 Handle failure of registering shutdownhook by ShutdownHookManager in static block Minor fs Abhishek Agarwal Abhishek Agarwal
HDFS-9634 webhdfs client side exceptions don’t provide enough details Major webhdfs Eric Payne Eric Payne
YARN-4608 Redundant code statement in WritingYarnApplications Minor documentation Kai Sasaki Kai Sasaki
HADOOP-7161 Remove unnecessary oro package from dependency management section Minor build Todd Lipcon Sean Busbey
YARN-4610 Reservations continue looking for one app causes other apps to starve Blocker capacityscheduler Jason Lowe Jason Lowe
HADOOP-12659 Incorrect usage of config parameters in token manager of KMS Major security Tianyin Xu Mingliang Liu
MAPREDUCE-6605 Fix typos mapreduce.map.skip.proc.count.autoincr and mapreduce.reduce.skip.proc.count.autoincr in mapred-default.xml Major documentation Dong Zhen Kai Sasaki
YARN-4605 Spelling mistake in the help message of “yarn applicationattempt” command Trivial client Manjunath Ballur Weiwei Yang
HDFS-9682 Fix a typo “aplication” in HttpFS document Trivial documentation Weiwei Yang Weiwei Yang
HADOOP-12730 Hadoop streaming -mapper and -reducer options are wrongly documented as required Major documentation DeepakVohra Kengo Seki
HDFS-8898 Create API and command-line argument to get quota and quota usage without detailed content summary Major fs Joep Rottinghuis Ming Ma
YARN-4598 Invalid event: RESOURCE_FAILED at CONTAINER_CLEANEDUP_AFTER_KILL Major nodemanager tangshangwen tangshangwen
YARN-4592 Remove unused GetContainerStatus proto Minor . Chang Li Chang Li
YARN-4520 FinishAppEvent is leaked in leveldb if no app’s container running on this node Major nodemanager sandflee sandflee
MAPREDUCE-6610 JobHistoryEventHandler should not swallow timeline response Trivial . Li Lu Li Lu
HDFS-9690 ClientProtocol.addBlock is not idempotent after HDFS-8071 Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-12743 Fix git environment check during test-patch Major . Ray Chiang Allen Wittenauer
HADOOP-12735 core-default.xml misspells hadoop.workaround.non.threadsafe.getpwuid Minor . Ray Chiang Ray Chiang
MAPREDUCE-6619 HADOOP_CLASSPATH is overwritten in MR container Major mrv2 shanyu zhao Junping Du
HDFS-8999 Allow a file to be closed with COMMITTED but not yet COMPLETE blocks. Major namenode Jitendra Nath Pandey Tsz Wo Nicholas Sze
MAPREDUCE-6595 Fix findbugs warnings in OutputCommitter and FileOutputCommitter Major . Akira Ajisaka Akira Ajisaka
MAPREDUCE-6563 Streaming documentation contains a stray ‘%’ character. Trivial documentation Chris Nauroth Chris Nauroth
YARN-4519 potential deadlock of CapacityScheduler between decrease container and assign containers Major capacityscheduler sandflee MENG DING
MAPREDUCE-6616 Fail to create jobhistory file if there are some multibyte characters in the job name Major jobhistoryserver Akira Ajisaka Kousuke Saruta
YARN-4411 RMAppAttemptImpl#createApplicationAttemptReport throws IllegalArgumentException Major resourcemanager yarntime Bibin A Chundatt
YARN-4617 LeafQueue#pendingOrderingPolicy should always use fixed ordering policy instead of using same as active applications ordering policy Major capacity scheduler Rohith Sharma K S Rohith Sharma K S
YARN-4428 Redirect RM page to AHS page when AHS turned on and RM page is not available Major . Chang Li Chang Li
MAPREDUCE-6618 YarnClientProtocolProvider leaking the YarnClient thread. Major . Xuan Gong Xuan Gong
HDFS-9210 Fix some misuse of %n in VolumeScanner#printStats Minor datanode Xiaoyu Yao Xiaoyu Yao
HDFS-9701 DN may deadlock when hot-swapping under load Major . Xiao Chen Xiao Chen
YARN-3102 Decommisioned Nodes not listed in Web UI Minor resourcemanager Bibin A Chundatt Kuhu Shukla
HDFS-9406 FSImage may get corrupted after deleting snapshot Major namenode Stanislav Antic Yongjun Zhang
HDFS-9718 HAUtil#getConfForOtherNodes should unset independent generic keys before initialize Major namenode DENG FEI DENG FEI
HDFS-9708 FSNamesystem.initAuditLoggers() doesn’t trim classnames Minor fs Steve Loughran Mingliang Liu
MAPREDUCE-6621 Memory Leak in JobClient#submitJobInternal() Major . Xuan Gong Xuan Gong
HADOOP-12755 Fix typo in defaultFS warning message Trivial . Andrew Wang Andrew Wang
HDFS-9739 DatanodeStorage.isValidStorageId() is broken Critical hdfs-client Kihwal Lee Mingliang Liu
HDFS-9740 Use a reasonable limit in DFSTestUtil.waitForMetric() Major test Kihwal Lee Chang Li
HADOOP-12761 incremental maven build is not really incremental Minor build Sangjin Lee Sangjin Lee
HDFS-9748 When addExpectedReplicasToPending is called twice, pendingReplications should avoid duplication Minor . Walter Su Walter Su
HDFS-9730 Storage ID update does not happen when there is a layout change Major datanode Kihwal Lee Tsz Wo Nicholas Sze
HDFS-9724 Degraded performance in WebHDFS listing as it does not reuse ObjectMapper Critical performance Akira Ajisaka Akira Ajisaka
HADOOP-12766 The default value of “hadoop.workaround.non.threadsafe.getpwuid” is different between core-default.xml and NativeIO.java Minor . Akira Ajisaka Akira Ajisaka
HDFS-9761 Rebalancer sleeps too long between iterations Blocker balancer & mover Adrian Bridgett Mingliang Liu
HDFS-9713 DataXceiver#copyBlock should return if block is pinned Major datanode Uma Maheswara Rao G Uma Maheswara Rao G
HADOOP-12773 HBase classes fail to load with client/job classloader enabled Major util Sangjin Lee Sangjin Lee
HDFS-9777 Fix typos in DFSAdmin command line and documentation Trivial hdfs-client Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9784 Example usage is not correct in Transparent Encryption document Major documentation Takashi Ohnishi Takashi Ohnishi
HDFS-9752 Permanent write failures may happen to slow writers during datanode rolling upgrades Critical . Kihwal Lee Walter Su
HDFS-9760 WebHDFS AuthFilter cannot be configured with custom AltKerberos auth handler Major webhdfs Ryan Sasson Ryan Sasson
HDFS-9779 TestReplicationPolicyWithNodeGroup NODE variable picks wrong rack value Minor test Kuhu Shukla Kuhu Shukla
HADOOP-12792 TestUserGroupInformation#testGetServerSideGroups fails in chroot Minor security, test Eric Badger Eric Badger
HDFS-9788 Incompatible tag renumbering in HeartbeatResponseProto Blocker rolling upgrades Andrew Wang Andrew Wang
HADOOP-12795 KMS does not log detailed stack trace for unexpected errors. Major kms Chris Nauroth Chris Nauroth
HADOOP-12699 TestKMS#testKMSProvider intermittently fails during ‘test rollover draining’ Major . Xiao Chen Xiao Chen
HDFS-9790 HDFS Balancer should exit with a proper message if upgrade is not finalized Major . Xiaobing Zhou Xiaobing Zhou
HDFS-9801 ReconfigurableBase should update the cached configuration Major datanode Arpit Agarwal Arpit Agarwal
HADOOP-12780 During WASB atomic rename handle crash when one directory has been renamed but not file under it. Critical fs/azure madhumita chakraborty madhumita chakraborty
HADOOP-12589 Fix intermittent test failure of TestCopyPreserveFlag Major test Tsuyoshi Ozawa Masatake Iwasaki
HADOOP-12786 “hadoop key” command usage is not documented Major documentation Akira Ajisaka Xiao Chen
HDFS-9765 TestBlockScanner#testVolumeIteratorWithCaching fails intermittently Major test Mingliang Liu Akira Ajisaka
HDFS-9456 BlockPlacementPolicyWithNodeGroup should override verifyBlockPlacement Major . Junping Du Xiaobing Zhou
HADOOP-12810 FileSystem#listLocatedStatus causes unnecessary RPC calls Major fs, fs/s3 Ryan Blue Ryan Blue
MAPREDUCE-6341 Fix typo in mapreduce tutorial Trivial . John Michael Luy John Michael Luy
HADOOP-12787 KMS SPNEGO sequence does not work with WEBHDFS Major kms, security Xiaoyu Yao Xiaoyu Yao
HDFS-9815 Move o.a.h.fs.Hdfs to hadoop-hdfs-client Blocker . Haohui Mai Vinayakumar B
HDFS-9799 Reimplement getCurrentTrashDir to remove incompatibility Blocker . Zhe Zhang Zhe Zhang
YARN-4654 Yarn node label CLI should parse “=” correctly when trying to remove all labels on a node Major . Wangda Tan Naganarasimha G R
HDFS-6832 Fix the usage of ‘hdfs namenode’ command Minor . Akira Ajisaka Manjunath Ballur
HDFS-8923 Add -source flag to balancer usage message Trivial balancer & mover, documentation Chris Trezzo Chris Trezzo
HDFS-9764 DistCp doesn’t print value for several arguments including -numListstatusThreads Minor distcp Yongjun Zhang Wei-Chiu Chuang
MAPREDUCE-6637 Testcase Failure : TestFileInputFormat.testSplitLocationInfo Major test Brahma Reddy Battula Brahma Reddy Battula
HDFS-9839 Reduce verbosity of processReport logging Major namenode Arpit Agarwal Arpit Agarwal
HDFS-7452 skip StandbyException log for getCorruptFiles() Minor . Brahma Reddy Battula Brahma Reddy Battula
YARN-4707 Remove the extra char (>) from SecureContainer.md Major documentation Brahma Reddy Battula Brahma Reddy Battula
YARN-4386 refreshNodesGracefully() should send recommission event to active RMNodes only Minor graceful Kuhu Shukla Kuhu Shukla
HDFS-9842 dfs.datanode.balance.bandwidthPerSec should accept friendly size units Minor balancer & mover Yiqun Lin Yiqun Lin
YARN-4709 NMWebServices produces incorrect JSON for containers Critical . Varun Saxena Varun Saxena
MAPREDUCE-6635 Unsafe long to int conversion in UncompressedSplitLineReader and IndexOutOfBoundsException Critical . Sergey Shelukhin Junping Du
HDFS-9549 TestCacheDirectives#testExceedsCapacity is flaky Major . Wei-Chiu Chuang Xiao Chen
YARN-2046 Out of band heartbeats are sent only on container kill and possibly too early Major nodemanager Jason Lowe Ming Ma
HDFS-9844 Correct path creation in getTrashRoot to handle root dir Blocker encryption Zhe Zhang Zhe Zhang
YARN-4722 AsyncDispatcher logs redundant event queue sizes Major . Jason Lowe Jason Lowe
HADOOP-12716 KerberosAuthenticator#doSpnegoSequence use incorrect class to determine isKeyTab in JDK8 Major security Xiaoyu Yao Xiaoyu Yao
HDFS-9855 Modify TestAuditLoggerWithCommands to workaround the absence of HDFS-8332 Major test Kuhu Shukla Kuhu Shukla
YARN-4723 NodesListManager$UnknownNodeId ClassCastException Critical resourcemanager Jason Lowe Kuhu Shukla
HADOOP-12849 TestSymlinkLocalFSFileSystem fails intermittently Major test Mingliang Liu Mingliang Liu
HADOOP-12831 LocalFS/FSOutputSummer NPEs in constructor if bytes per checksum set to 0 Minor fs Steve Loughran Mingliang Liu
HADOOP-12846 Credential Provider Recursive Dependencies Major . Larry McCay Larry McCay
HDFS-9864 Correct reference for RENEWDELEGATIONTOKEN and CANCELDELEGATIONTOKEN in webhdfs doc Major documentation Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12622 RetryPolicies (other than FailoverOnNetworkExceptionRetry) should put on retry failed reason or the log from RMProxy’s retry could be very misleading. Critical auto-failover Junping Du Junping Du
YARN-4748 ApplicationHistoryManagerOnTimelineStore should not swallow exceptions on generateApplicationReport Major timelineserver Li Lu Li Lu
HADOOP-12851 S3AFileSystem Uptake of ProviderUtils.excludeIncompatibleCredentialProviders Major fs/s3 Larry McCay Larry McCay
HADOOP-12843 Fix findbugs warnings in hadoop-common (branch-2) Major . Akira Ajisaka Akira Ajisaka
HDFS-9870 Remove unused imports from DFSUtil Major . Brahma Reddy Battula Brahma Reddy Battula
HDFS-8791 block ID-based DN storage layout can be very slow for datanode on ext4 Blocker datanode Nathan Roberts Chris Trezzo
HDFS-9880 TestDatanodeRegistration fails occasionally Major test Kihwal Lee Kihwal Lee
HDFS-9881 DistributedFileSystem#getTrashRoot returns incorrect path for encryption zones Critical . Andrew Wang Andrew Wang
HDFS-9766 TestDataNodeMetrics#testDataNodeTimeSpend fails intermittently Major test Mingliang Liu Xiao Chen
HDFS-9851 Name node throws NPE when setPermission is called on a path that does not exist Critical namenode David Yan Brahma Reddy Battula
HDFS-9886 Configuration properties for hedged read is broken Blocker . Akira Ajisaka Akira Ajisaka
HADOOP-12870 Fix typo admininistration in CommandsManual.md Minor documentation Akira Ajisaka John Zhuge
HDFS-9048 DistCp documentation is out-of-dated Major . Haohui Mai Daisuke Kobayashi
HADOOP-12871 Fix dead link to NativeLibraries.html in CommandsManual.md Minor documentation Akira Ajisaka Brahma Reddy Battula
HADOOP-12872 Fix formatting in ServiceLevelAuth.md Trivial documentation Akira Ajisaka Brahma Reddy Battula
MAPREDUCE-4785 TestMRApp occasionally fails Major mrv2, test Jason Lowe Haibo Chen
HADOOP-12717 NPE when trying to rename a directory in Windows Azure Storage FileSystem Blocker . Robert Yokota Robert Yokota
YARN-4763 RMApps Page crashes with NPE Major webapp Bibin A Chundatt Bibin A Chundatt
YARN-4761 NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations on fair scheduler Major fairscheduler Sangjin Lee Sangjin Lee
YARN-4744 Too many signal to container failure in case of LCE Major . Bibin A Chundatt Sidharta Seethana
YARN-4760 proxy redirect to history server uses wrong URL Major webapp Jason Lowe Eric Badger
HDFS-9865 TestBlockReplacement fails intermittently in trunk Major test Yiqun Lin Yiqun Lin
HDFS-9812 Streamer threads leak if failure happens when closing DFSOutputStream Major hdfs-client Yiqun Lin Yiqun Lin
HADOOP-12688 Fix deadlinks in Compatibility.md Major documentation Akira Ajisaka Gabor Liptak
HADOOP-12903 IPC Server should allow suppressing exception logging by type, not log ‘server too busy’ messages Major ipc Arpit Agarwal Arpit Agarwal
HDFS-9934 ReverseXML oiv processor should bail out if the XML file’s layoutVersion doesn’t match oiv’s Major tools Colin P. McCabe Colin P. McCabe
HDFS-9933 ReverseXML should be capitalized in oiv usage message Minor tools Colin P. McCabe Colin P. McCabe
HDFS-9953 Download File from UI broken after pagination Blocker namenode Brahma Reddy Battula Brahma Reddy Battula
HDFS-9904 testCheckpointCancellationDuringUpload occasionally fails Major test Kihwal Lee Yiqun Lin
MAPREDUCE-6579 JobStatus#getFailureInfo should not output diagnostic information when the job is running Blocker test Rohith Sharma K S Akira Ajisaka
MAPREDUCE-6645 TestWordStats outputs logs under directories other than target/test-dir Major test Akira Ajisaka Gabor Liptak
HDFS-9874 Long living DataXceiver threads cause volume shutdown to block. Critical datanode Rushabh S Shah Rushabh S Shah
HDFS-3677 dfs.namenode.edits.dir.required missing from hdfs-default.xml Major documentation, namenode Todd Lipcon Mark Yang
HDFS-7166 SbNN Web UI shows #Under replicated blocks and #pending deletion blocks Major ha Juan Yu Wei-Chiu Chuang
YARN-4686 MiniYARNCluster.start() returns before cluster is completely started Major test Rohith Sharma K S Eric Badger
MAPREDUCE-6363 [NNBench] Lease mismatch error when running with multiple mappers Critical benchmarks Brahma Reddy Battula Bibin A Chundatt
HDFS-10189 PacketResponder#toString should include the downstreams for PacketResponderType.HAS_DOWNSTREAM_IN_PIPELINE Minor datanode Joe Pallas Joe Pallas
MAPREDUCE-6580 Test failure : TestMRJobsWithProfiler Major . Rohith Sharma K S Eric Badger
MAPREDUCE-6656 [NNBench] OP_DELETE operation isn’t working after MAPREDUCE-6363 Blocker . J.Andreina J.Andreina
HDFS-10193 fuse_dfs segfaults if uid cannot be resolved to a username Major fuse-dfs John Thiltges John Thiltges
HDFS-10199 Unit tests TestCopyFiles, TestDistCh, TestLogalyzer under org.apache.hadoop.tools are failing Minor . Tibor Kiss Tibor Kiss
YARN-4820 ResourceManager web redirects in HA mode drops query parameters Major . Varun Vasudev Varun Vasudev
YARN-4850 test-fair-scheduler.xml isn’t valid xml Blocker fairscheduler, test Allen Wittenauer Yufei Gu
HADOOP-12962 KMS key names are incorrectly encoded when creating key Major . Xiao Chen Xiao Chen
HADOOP-12958 PhantomReference for filesystem statistics can trigger OOM Major . Jason Lowe Sangjin Lee
HADOOP-12873 Remove MRv1 terms from HttpAuthentication.md Major documentation Akira Ajisaka Brahma Reddy Battula
HDFS-10182 Hedged read might overwrite user’s buf Major . zhouyingchao zhouyingchao
YARN-4773 Log aggregation performs extraneous filesystem operations when rolling log aggregation is disabled Minor nodemanager Jason Lowe Jun Gong
MAPREDUCE-6662 Clear ASF Warnings on test data files Minor . Vinayakumar B Vinayakumar B
HDFS-9871 “Bytes Being Moved” -ve(-1 B) when cluster was already balanced. Major . Brahma Reddy Battula Brahma Reddy Battula
YARN-4863 AHS Security login should be in serviceInit() instead of serviceStart() Major timelineserver Junping Du Junping Du
HDFS-10197 TestFsDatasetCache failing intermittently due to timeout Major test Yiqun Lin Yiqun Lin
HDFS-9478 Reason for failing ipc.FairCallQueue contruction should be thrown Minor . Archana T Ajith S
HDFS-10228 TestHDFSCLI fails Major test Akira Ajisaka Akira Ajisaka
YARN-4865 Track Reserved resources in ResourceUsage and QueueCapacities Major resourcemanager Sunil G Sunil G
HADOOP-12972 Lz4Compressor#getLibraryName returns the wrong version number Trivial native John Zhuge Colin P. McCabe
HDFS-5177 blocksScheduled count should be decremented for abandoned blocks Major namenode Vinayakumar B Vinayakumar B
HDFS-10223 peerFromSocketAndKey performs SASL exchange before setting connection timeouts Major . Colin P. McCabe Colin P. McCabe
HDFS-10221 Add .json to the rat exclusions Blocker build Ming Ma Ming Ma
HADOOP-12902 JavaDocs for SignerSecretProvider are out-of-date in AuthenticationFilter Major documentation Robert Kanter Gabor Liptak
YARN-4183 Clarify the behavior of timeline service config properties Major . Mit Desai Naganarasimha G R
HDFS-10253 Fix TestRefreshCallQueue failure. Major . Brahma Reddy Battula Xiaoyu Yao
YARN-4746 yarn web services should convert parse failures of appId, appAttemptId and containerId to 400 Minor webapp Steve Loughran Bibin A Chundatt
HDFS-9599 TestDecommissioningStatus.testDecommissionStatus occasionally fails Major namenode Wei-Chiu Chuang Yiqun Lin
YARN-4706 UI Hosting Configuration in TimelineServer doc is broken Critical documentation Akira Ajisaka Akira Ajisaka
HDFS-10178 Permanent write failures can happen if pipeline recoveries occur for the first packet Critical . Kihwal Lee Kihwal Lee
HDFS-8496 Calling stopWriter() with FSDatasetImpl lock held may block other threads Major . zhouyingchao Colin P. McCabe
HDFS-9917 IBR accumulate more objects when SNN was down for sometime. Critical . Brahma Reddy Battula Brahma Reddy Battula
HDFS-10239 Fsshell mv fails if port usage doesn’t match in src and destination paths Major . Kuhu Shukla Kuhu Shukla
YARN-4893 Fix some intermittent test failures in TestRMAdminService Blocker . Junping Du Brahma Reddy Battula
YARN-4916 TestNMProxy.tesNMProxyRPCRetry fails. Minor . Tibor Kiss Tibor Kiss
YARN-4915 Fix typo in YARN Secure Containers documentation Trivial documentation, yarn Takashi Ohnishi Takashi Ohnishi
YARN-4917 Fix typos in documentation of Capacity Scheduler. Minor documentation Takashi Ohnishi Takashi Ohnishi
HDFS-10261 TestBookKeeperHACheckpoints doesn’t handle ephemeral HTTP ports Major . Eric Badger Eric Badger
YARN-4699 Scheduler UI and REST o/p is not in sync when -replaceLabelsOnNode is used to change label of a node Critical capacity scheduler Sunil G Sunil G
HADOOP-12022 fix site -Pdocs -Pdist in hadoop-project-dist; cleanout remaining forrest bits Blocker build Allen Wittenauer Allen Wittenauer
MAPREDUCE-6670 TestJobListCache#testEviction sometimes fails on Windows with timeout Minor test Gergely Novák Gergely Novák
HDFS-6520 hdfs fsck -move passes invalid length value when creating BlockReader Major . Shengjun Xin Xiao Chen
HDFS-10267 Extra “synchronized” on FsDatasetImpl#recoverAppend and FsDatasetImpl#recoverClose Major datanode Colin P. McCabe Colin P. McCabe
YARN-4740 AM may not receive the container complete msg when it restarts Major . sandflee sandflee
MAPREDUCE-6633 AM should retry map attempts if the reduce task encounters commpression related errors. Major . Rushabh S Shah Rushabh S Shah
YARN-4938 MiniYarnCluster should not request transitionToActive to RM on non-HA environment Major test Akira Ajisaka Eric Badger
HADOOP-12406 AbstractMapWritable.readFields throws ClassNotFoundException with custom writables Blocker io Nadeem Douba Nadeem Douba
HADOOP-12993 Change ShutdownHookManger complete shutdown log from INFO to DEBUG Minor . Xiaoyu Yao Xiaoyu Yao
HDFS-10277 PositionedReadable test testReadFullyZeroByteFile failing in HDFS Major test Steve Loughran Steve Loughran
HDFS-10271 Extra bytes are getting released from reservedSpace for append Critical . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-12964 Http server vulnerable to clickjacking Major . Haibo Chen Haibo Chen
YARN-4794 Deadlock in NMClientImpl Critical . Sumana Sathish Jian He
HDFS-9772 TestBlockReplacement#testThrottler doesn’t work as expected Minor test Yiqun Lin Yiqun Lin
HDFS-10270 TestJMXGet:testNameNode() fails Minor test Andras Bokor Gergely Novák
HDFS-10216 distcp -diff relative path exception Major distcp John Zhuge Takashi Ohnishi
YARN-4924 NM recovery race can lead to container not cleaned up Major nodemanager Nathan Roberts sandflee
HADOOP-12989 Some tests in org.apache.hadoop.fs.shell.find occasionally time out Major test Akira Ajisaka Takashi Ohnishi
HADOOP-13026 Should not wrap IOExceptions into a AuthenticationException in KerberosAuthenticator Critical . Xuan Gong Xuan Gong
YARN-4940 yarn node -list -all failed if RM start with decommissioned node Major . sandflee sandflee
YARN-4965 Distributed shell AM failed due to ClientHandlerException thrown by jersey Critical . Sumana Sathish Junping Du
YARN-4934 Reserved Resource for QueueMetrics needs to be handled correctly in few cases Major capacity scheduler Sunil G Sunil G
HDFS-10291 TestShortCircuitLocalRead failing Major test Steve Loughran Steve Loughran
HDFS-10275 TestDataNodeMetrics failing intermittently due to TotalWriteTime counted incorrectly Major test Yiqun Lin Yiqun Lin
MAPREDUCE-6649 getFailureInfo not returning any failure info Major . Eric Badger Eric Badger
HDFS-10265 OEV tool fails to read edit xml file if OP_UPDATE_BLOCKS has no BLOCK tag Minor tools Wan Chang Wan Chang
HDFS-9744 TestDirectoryScanner#testThrottling occasionally time out after 300 seconds Minor datanode Wei-Chiu Chuang Yiqun Lin
HDFS-10308 TestRetryCacheWithHA#testRetryCacheOnStandbyNN failing Major test Rakesh R Rakesh R
HDFS-10312 Large block reports may fail to decode at NameNode due to 64 MB protobuf maximum length restriction. Major namenode Chris Nauroth Chris Nauroth
MAPREDUCE-6680 JHS UserLogDir scan algorithm sometime could skip directory with update in CloudFS (Azure FileSystem, S3, etc.) Major jobhistoryserver Junping Du Junping Du
HDFS-9670 DistCp throws NPE when source is root Major distcp Yongjun Zhang John Zhuge
HADOOP-13042 Restore lost leveldbjni LICENSE and NOTICE changes Major . Andrew Wang Andrew Wang
HADOOP-13043 Add LICENSE.txt entries for bundled javascript dependencies Major . Andrew Wang Andrew Wang
HDFS-10319 Balancer should not try to pair storages with different types Minor balancer & mover Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-10309 Balancer doesn’t honor dfs.blocksize value defined with suffix k(kilo), m(mega), g(giga) Minor balancer & mover Amit Anand Amit Anand
HDFS-9555 LazyPersistFileScrubber should still sleep if there are errors in the clear progress Major . Phil Yang Phil Yang
HADOOP-13052 ChecksumFileSystem mishandles crc file permissions Major fs Daryn Sharp Daryn Sharp
HDFS-9905 WebHdfsFileSystem#runWithRetry should display original stack trace on error Major test Kihwal Lee Wei-Chiu Chuang
HADOOP-11418 Property “io.compression.codec.lzo.class” does not work with other value besides default Major io fang fang chen Yuanbo Liu
HDFS-10318 TestJMXGet hides the real error in case of test failure Minor test Andras Bokor Andras Bokor
YARN-4556 TestFifoScheduler.testResourceOverCommit fails Major scheduler, test Akihiro Suda Akihiro Suda
HDFS-10329 Bad initialisation of StringBuffer in RequestHedgingProxyProvider.java Minor ha Max Schaefer Yiqun Lin
HDFS-10313 Distcp need to enforce the order of snapshot names passed to -diff Major distcp Yongjun Zhang Yiqun Lin
HADOOP-13030 Handle special characters in passwords in KMS startup script Major kms Xiao Chen Xiao Chen
YARN-4955 Add retry for SocketTimeoutException in TimelineClient Critical . Xuan Gong Xuan Gong
HDFS-9958 BlockManager#createLocatedBlocks can throw NPE for corruptBlocks on failed storages. Major . Kuhu Shukla Kuhu Shukla
YARN-5008 LeveldbRMStateStore database can grow substantially leading to long recovery times Major resourcemanager Jason Lowe Jason Lowe
YARN-5009 NMLeveldbStateStoreService database can grow substantially leading to longer recovery times Major nodemanager Jason Lowe Jason Lowe
HADOOP-12378 Fix findbugs warnings in hadoop-tools module Major tools Akira Ajisaka Akira Ajisaka
HDFS-10260 TestFsDatasetImpl#testCleanShutdownOfVolume often fails Major datanode, test Wei-Chiu Chuang Rushabh S Shah
HDFS-10335 Mover$Processor#chooseTarget() always chooses the first matching target storage group Critical balancer & mover Mingliang Liu Mingliang Liu
MAPREDUCE-6672 TestTeraSort fails on Windows Minor test Tibor Kiss Tibor Kiss
HDFS-10347 Namenode report bad block method doesn’t log the bad block or datanode. Minor namenode Rushabh S Shah Rushabh S Shah
HADOOP-13072 WindowsGetSpaceUsed constructor should be public Major . Vinayakumar B Vinayakumar B
MAPREDUCE-6537 Include hadoop-pipes examples in the release tarball Blocker pipes Allen Wittenauer Kai Sasaki
HDFS-10353 Fix hadoop-hdfs-native-client compilation on Windows Blocker build Brahma Reddy Battula Brahma Reddy Battula
HDFS-10344 DistributedFileSystem#getTrashRoots should skip encryption zone that does not have .Trash Major . Namit Maheshwari Xiaoyu Yao
HADOOP-13080 Refresh time in SysInfoWindows is in nanoseconds Major util Íñigo Goiri Íñigo Goiri
YARN-4834 ProcfsBasedProcessTree doesn’t track daemonized processes Major nodemanager Nathan Roberts Nathan Roberts
HDFS-10320 Rack failures may result in NN terminate Major . Xiao Chen Xiao Chen
MAPREDUCE-6675 TestJobImpl.testUnusableNode failed Major mrv2 Haibo Chen Haibo Chen
YARN-4311 Removing nodes from include and exclude lists will not remove them from decommissioned nodes list Major . Kuhu Shukla Kuhu Shukla
YARN-4984 LogAggregationService shouldn’t swallow exception in handling createAppDir() which cause thread leak. Critical log-aggregation Junping Du Junping Du
HADOOP-13098 Dynamic LogLevel setting page should accept case-insensitive log level string Major . Junping Du Junping Du
HDFS-10324 Trash directory in an encryption zone should be pre-created with correct permissions Major encryption Wei-Chiu Chuang Wei-Chiu Chuang
MAPREDUCE-6514 Job hangs as ask is not updated after ramping down of all reducers Blocker applicationmaster Varun Saxena Varun Saxena
HDFS-2043 TestHFlush failing intermittently Major test Aaron T. Myers Yiqun Lin
HADOOP-12751 While using kerberos Hadoop incorrectly assumes names with ‘@’ to be non-simple Critical security Bolke de Bruin Bolke de Bruin
MAPREDUCE-6689 MapReduce job can infinitely increase number of reducer resource requests Blocker . Wangda Tan Wangda Tan
YARN-4747 AHS error 500 due to NPE when container start event is missing Major timelineserver Jason Lowe Varun Saxena
HDFS-9939 Increase DecompressorStream skip buffer size Major . Yongjun Zhang John Zhuge
YARN-5048 DelegationTokenRenewer#skipTokenRenewal may throw NPE Major . Jian He Jian He
YARN-4926 Change nodelabel rest API invalid reponse status to 400 Major . Bibin A Chundatt Bibin A Chundatt
HDFS-10372 Fix for failing TestFsDatasetImpl#testCleanShutdownOfVolume Major test Rushabh S Shah Rushabh S Shah
MAPREDUCE-6684 High contention on scanning of user directory under immediate_done in Job History Server Critical jobhistoryserver Haibo Chen Haibo Chen
HDFS-6187 Update the document of hftp/hsftp in branch-2 to mention that they are deprecated Major documentation Haohui Mai Gergely Novák
YARN-4768 getAvailablePhysicalMemorySize can be inaccurate on linux Major nodemanager Nathan Roberts Nathan Roberts
HADOOP-13125 FS Contract tests don’t report FS initialization errors well Minor test Steve Loughran Steve Loughran
YARN-5029 RM needs to send update event with YarnApplicationState as Running to ATS/AHS Critical . Xuan Gong Xuan Gong
HADOOP-13116 Jets3tNativeS3FileSystemContractTest does not run. Minor test Chris Nauroth Chris Nauroth
MAPREDUCE-6639 Process hangs in LocatedFileStatusFetcher if FileSystem.get throws Major mrv2 Ryan Blue Ryan Blue
HADOOP-11180 Change log message “token.Token: Cannot find class for token kind kms-dt” to debug Major kms, security Yi Liu Yi Liu
MAPREDUCE-6558 multibyte delimiters with compressed input files generate duplicate records Major mrv1, mrv2 Wilfred Spiegelenburg Wilfred Spiegelenburg
HADOOP-13083 The number of javadocs warnings is limited to 100 Critical . Li Lu Gergely Novák
MAPREDUCE-6513 MR job got hanged forever when one NM unstable for some time Critical applicationmaster, resourcemanager Bob.zhao Varun Saxena
HDFS-10333 Intermittent org.apache.hadoop.hdfs.TestFileAppend failure in trunk Major hdfs Yongjun Zhang Yiqun Lin
HADOOP-12942 hadoop credential commands non-obviously use password of “none” Major security Mike Yoder Mike Yoder
YARN-4325 Nodemanager log handlers fail to send finished/failed events in some cases Critical . Junping Du Junping Du
HDFS-10242 Cannot create space quota of zero Major fs Takashi Ohnishi Takashi Ohnishi
MAPREDUCE-6693 ArrayIndexOutOfBoundsException occurs when the length of the job name is equal to mapreduce.jobhistory.jobname.limit Critical . Bibin A Chundatt Ajith S
HADOOP-13163 Reuse pre-computed filestatus in Distcp-CopyMapper Minor tools/distcp Rajesh Balamohan Rajesh Balamohan
HDFS-10303 DataStreamer#ResponseProcessor calculates packet ack latency incorrectly. Major hdfs-client Surendra Singh Lilhore Surendra Singh Lilhore
MAPREDUCE-6698 Increase timeout on TestUnnecessaryBlockingOnHistoryFileInfo.testTwoThreadsQueryingDifferentJobOfSameUser Major jobhistoryserver Haibo Chen Haibo Chen
HADOOP-13159 Fix potential NPE in Metrics2 source for DecayRpcScheduler Major ipc Xiaoyu Yao Xiaoyu Yao
HDFS-10397 Distcp should ignore -delete option if -diff option is provided instead of exiting Major distcp Mingliang Liu Mingliang Liu
HDFS-10381 DataStreamer DataNode exclusion log message should be warning Minor hdfs-client John Zhuge John Zhuge
HDFS-9226 MiniDFSCluster leaks dependency Mockito via DataNodeTestUtils Major test Josh Elser Josh Elser
HADOOP-13138 Unable to append to a SequenceFile with Compression.NONE. Critical . Gervais Mickaël Vinayakumar B
HADOOP-13157 Follow-on improvements to hadoop credential commands Major security Mike Yoder Mike Yoder
YARN-3840 Resource Manager web ui issue when sorting application by id (with application having id > 9999) Major resourcemanager LINTE Varun Saxena
HADOOP-13177 Native tests fail on OS X, because DYLD_LIBRARY_PATH is not defined to include libhadoop.dylib. Minor build Chris Nauroth Chris Nauroth
HADOOP-12767 update apache httpclient version to 4.5.2; httpcore to 4.4.4 Major build Artem Aliev Artem Aliev
YARN-5100 The YarnApplicationState is always running in ATS no matter the application is running or finishes. Blocker . Xuan Gong Xuan Gong
HADOOP-13183 S3A proxy tests fail after httpclient/httpcore upgrade. Major fs/s3 Chris Nauroth Steve Loughran
YARN-5020 Fix Documentation for Yarn Capacity Scheduler on Resource Calculator Minor . Jo Desmet Takashi Ohnishi
HDFS-10424 DatanodeLifelineProtocol not able to use under security cluster Blocker . gu-chi Chris Nauroth
HDFS-10438 When NameNode HA is configured to use the lifeline RPC server, it should log the address of that server. Minor ha, namenode KWON BYUNGCHANG Chris Nauroth
HDFS-10439 Update setOwner doc in HdfsPermissionsGuide Minor documentation John Zhuge John Zhuge
MAPREDUCE-6607 Enable regex pattern matching when mapreduce.task.files.preserve.filepattern is set Minor applicationmaster Maysam Yabandeh Kai Sasaki
YARN-5103 With NM recovery enabled, restarting NM multiple times results in AM restart Critical yarn Sumana Sathish Junping Du
YARN-5055 max apps per user can be larger than max per queue Minor capacityscheduler, resourcemanager Jason Lowe Eric Badger
YARN-3971 Skip RMNodeLabelsManager#checkRemoveFromClusterNodeLabelsOfQueue on nodelabel recovery Critical resourcemanager Bibin A Chundatt Bibin A Chundatt
HDFS-9365 Balancer does not work with the HDFS-6376 HA setup Major balancer & mover Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-3344 Fix warning - procfs stat file is not in the expected format Major . Jon Bringhurst Ravindra Kumar Naik
YARN-4459 container-executor should only kill process groups Major nodemanager Jun Gong Jun Gong
YARN-5166 javadoc:javadoc goal fails on hadoop-yarn-client Major . Andras Bokor Andras Bokor
HDFS-10276 HDFS should not expose path info that user has no permission to see. Major . Kevin Cox Yuanbo Liu
YARN-5132 Exclude generated protobuf sources from YARN Javadoc build Critical . Subru Krishnan Subru Krishnan
HADOOP-13132 Handle ClassCastException on AuthenticationException in LoadBalancingKMSClientProvider Major kms Miklos Szurap Wei-Chiu Chuang
HDFS-10415 TestDistributedFileSystem#MyDistributedFileSystem attempts to set up statistics before initialize() is called Major test Sangjin Lee Mingliang Liu
HADOOP-13137 TraceAdmin should support Kerberized cluster Major tracing Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9476 TestDFSUpgradeFromImage#testUpgradeFromRel1BBWImage occasionally fail Major . Wei-Chiu Chuang Masatake Iwasaki
HDFS-10367 TestDFSShell.testMoveWithTargetPortEmpty fails with Address bind exception. Major test Brahma Reddy Battula Brahma Reddy Battula
HDFS-10471 DFSAdmin#SetQuotaCommand’s help msg is not correct Minor documentation Yiqun Lin Yiqun Lin
YARN-5098 Yarn Application log Aggreagation fails due to NM can not get correct HDFS delegation token Major yarn Yesha Vora Jian He
HADOOP-13155 Implement TokenRenewer to renew and cancel delegation tokens in KMS Major kms, security Xiao Chen Xiao Chen
HDFS-10481 HTTPFS server should correctly impersonate as end user to open file Major httpfs Xiao Chen Xiao Chen
HDFS-10485 Fix findbugs warning in FSEditLog.java Major . Akira Ajisaka Akira Ajisaka
HDFS-10458 getFileEncryptionInfo should return quickly for non-encrypted cluster Major encryption, namenode Zhe Zhang Zhe Zhang
YARN-5206 RegistrySecurity includes id:pass in exception text if considered invalid Minor client, security Steve Loughran Steve Loughran
HDFS-10220 A large number of expired leases can make namenode unresponsive and cause failover Major namenode Nicolas Fraison Nicolas Fraison
HADOOP-13249 RetryInvocationHandler need wrap InterruptedException in IOException when call Thread.sleep Major ipc zhihai xu zhihai xu
HADOOP-13213 Small Documentation bug with AuthenticatedURL in hadoop-auth Minor documentation Tom Ellis Tom Ellis
HADOOP-13079 Add -q option to Ls to print ? instead of non-printable characters Major . John Zhuge John Zhuge
HDFS-10516 Fix bug when warming up EDEK cache of more than one encryption zone Major encryption, namenode Xiao Chen Xiao Chen
HADOOP-13270 BZip2CompressionInputStream finds the same compression marker twice in corner case, causing duplicate data blocks Critical . Haibo Chen Kai Sasaki
HADOOP-13179 GenericOptionsParser is not thread-safe because commons-cli OptionBuilder is not thread-safe Minor . hongbin ma hongbin ma
HADOOP-13244 o.a.h.ipc.Server#Server should honor handlerCount when queueSizePerHandler is specified in consturctor Minor ipc Xiaoyu Yao Kai Sasaki
HADOOP-13245 Fix up some misc create-release issues Blocker build Allen Wittenauer Allen Wittenauer
HDFS-10505 OIV’s ReverseXML processor should support ACLs Major tools Colin P. McCabe Surendra Singh Lilhore
HDFS-10525 Fix NPE in CacheReplicationMonitor#rescanCachedBlockMap Major caching Xiao Chen Xiao Chen
YARN-5237 Fix missing log files issue in rolling log aggregation. Major . Siddharth Seth Xuan Gong
HDFS-10532 Typo in RollingUpgrade docs Major documentation Arpit Agarwal Yiqun Lin
HADOOP-3733 “s3:” URLs break when Secret Key contains a slash, even if encoded Minor fs/s3 Stuart Sierra Steve Loughran
HDFS-9466 TestShortCircuitCache#testDataXceiverCleansUpSlotsOnFailure is flaky Major fs, hdfs-client Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-13255 KMSClientProvider should check and renew tgt when doing delegation token operations. Major kms Xiao Chen Xiao Chen
HADOOP-13285 DecayRpcScheduler MXBean should only report decayed CallVolumeSummary Major ipc Namit Maheshwari Xiaoyu Yao
HADOOP-13149 Windows distro build fails on dist-copynativelibs. Blocker build Chris Nauroth Chris Nauroth
YARN-5246 NMWebAppFilter web redirects drop query parameters Major . Varun Vasudev Varun Vasudev
HDFS-10474 hftp copy fails when file name with Chinese+special char in branch-2 Critical . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13192 org.apache.hadoop.util.LineReader cannot handle multibyte delimiters correctly Critical util binde binde
HDFS-10448 CacheManager#addInternal tracks bytesNeeded incorrectly when dealing with replication factors other than 1 Major caching Yiqun Lin Yiqun Lin
YARN-5197 RM leaks containers if running container disappears from node update Critical resourcemanager Jason Lowe Jason Lowe
HADOOP-13287 TestS3ACredentials#testInstantiateFromURL fails if AWS secret key contains ‘+’. Minor fs/s3, test Chris Nauroth Chris Nauroth
HDFS-10556 DistCpOptions should be validated automatically Major distcp Mingliang Liu Mingliang Liu
MAPREDUCE-6725 Javadoc for CLI#listEvents() contains no-existent param Minor client, documentation Shen Yinjie Shen Yinjie
HDFS-7959 WebHdfs logging is missing on Datanode Critical . Kihwal Lee Kihwal Lee
MAPREDUCE-6542 HistoryViewer uses SimpleDateFormat, but SimpleDateFormat is not threadsafe Major jobhistoryserver zhangyubiao zhangyubiao
HADOOP-13251 Authenticate with Kerberos credentials when renewing KMS delegation token Major kms Xiao Chen Xiao Chen
HADOOP-13316 Enforce Kerberos authentication for required ops in DelegationTokenAuthenticator Blocker kms, security Xiao Chen Xiao Chen
HDFS-9852 hdfs dfs -setfacl error message is misleading Minor . Wei-Chiu Chuang Wei-Chiu Chuang
YARN-5262 Optimize sending RMNodeFinishedContainersPulledByAMEvent for every AM heartbeat Major resourcemanager Rohith Sharma K S Rohith Sharma K S
HADOOP-12345 Pad hostname correctly in CredentialsSys.java Critical nfs Pradeep Nayak Udupi Kadbet Pradeep Nayak Udupi Kadbet
HADOOP-13314 Remove ‘package-info.java’ from ‘test\java\org\apache\hadoop\fs\shell\’ to remove eclipse compile error Trivial . Vinayakumar B Vinayakumar B
HDFS-10589 Javadoc for HAState#HAState and HAState#setStateInternal contains non-existent params Minor documentation, hdfs Shen Yinjie Shen Yinjie
YARN-5286 Add RPC port info in RM web service’s response when getting app status Major . Jun Gong Jun Gong
YARN-5214 Pending on synchronized method DirectoryCollection#checkDirs can hang NM’s NodeStatusUpdater Critical nodemanager Junping Du Junping Du
HADOOP-13350 Additional fix to LICENSE and NOTICE Blocker build Xiao Chen Xiao Chen
HDFS-10592 Fix intermittent test failure of TestNameNodeResourceChecker#testCheckThatNameNodeResourceMonitorIsRunning Major test Rakesh R Rakesh R
HADOOP-13320 Fix arguments check in documentation for WordCount v2.0 Minor documentation niccolo becchi niccolo becchi
YARN-5314 ConcurrentModificationException in ATS v1.5 EntityGroupFSTimelineStore Major timelineserver Karam Singh Li Lu
YARN-4939 the decommissioning Node should keep alive if NM restart Major . sandflee sandflee
HADOOP-12893 Verify LICENSE.txt and NOTICE.txt Blocker build Allen Wittenauer Xiao Chen
HADOOP-13352 Make X-FRAME-OPTIONS configurable in HttpServer2 Major net, security Anu Engineer Anu Engineer
HDFS-10336 TestBalancer failing intermittently because of not reseting UserGroupInformation completely Major test Yiqun Lin Yiqun Lin
HDFS-10512 VolumeScanner may terminate due to NPE in DataNode.reportBadBlocks Major datanode Wei-Chiu Chuang Yiqun Lin
YARN-5337 Fix OOM issue in DistributedShell. AM failed with “java.lang.OutOfMemoryError: GC overhead limit exceeded” Major . Sumana Sathish Jian He
HADOOP-13297 Add missing dependency in setting maven-remote-resource-plugin to fix builds Major build Akira Ajisaka Sean Busbey
YARN-5270 Solve miscellaneous issues caused by YARN-4844 Blocker . Wangda Tan Wangda Tan
HDFS-10579 HDFS web interfaces lack configs for X-FRAME-OPTIONS protection Major datanode, namenode Anu Engineer Anu Engineer
MAPREDUCE-6625 TestCLI#testGetJob fails occasionally Major test Jason Lowe Haibo Chen
HADOOP-13315 FileContext#umask is not initialized properly Minor . John Zhuge John Zhuge
YARN-5353 ResourceManager can leak delegation tokens when they are shared across apps Critical resourcemanager Jason Lowe Jason Lowe
HADOOP-11361 Fix a race condition in MetricsSourceAdapter.updateJmxCache Major . Brahma Reddy Battula Brahma Reddy Battula
HDFS-10544 Balancer doesn’t work with IPFailoverProxyProvider Major balancer & mover, ha Zhe Zhang Zhe Zhang
HADOOP-13351 TestDFSClientSocketSize buffer size tests are flaky Major . Aaron Fabbri Aaron Fabbri
HADOOP-13202 Avoid possible overflow in org.apache.hadoop.util.bloom.BloomFilter#getNBytes Major util zhengbing li Kai Sasaki
HDFS-10603 Fix flaky tests in org.apache.hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot Major hdfs, namenode Yongjun Zhang Yiqun Lin
HADOOP-12991 Conflicting default ports in DelegateToFileSystem Major fs Kevin Hogeland Kai Sasaki
YARN-5309 Fix SSLFactory truststore reloader thread leak in TimelineClientImpl Blocker timelineserver, yarn Thomas Friedrich Weiwei Yang
HADOOP-13387 users always get told off for using S3 —even when not using it. Minor fs/s3 Steve Loughran Steve Loughran
YARN-5340 Race condition in RollingLevelDBTimelineStore#getAndSetStartTime() Critical timelineserver Sumana Sathish Li Lu
HDFS-8914 Document HA support in the HDFS HdfsDesign.md Major documentation Ravindra Babu Lars Francke
HADOOP-12588 Fix intermittent test failure of TestGangliaMetrics Major . Tsuyoshi Ozawa Masatake Iwasaki
HADOOP-13240 TestAclCommands.testSetfaclValidations fail Minor test linbao111 John Zhuge
HADOOP-13389 TestS3ATemporaryCredentials.testSTS error when using IAM credentials Major fs/s3 Steven K. Wong Steven K. Wong
HADOOP-13406 S3AFileSystem: Consider reusing filestatus in delete() and mkdirs() Minor fs/s3 Rajesh Balamohan Rajesh Balamohan
MAPREDUCE-6744 Increase timeout on TestDFSIO tests Major . Eric Badger Eric Badger
HDFS-10688 BPServiceActor may run into a tight loop for sending block report when hitting IOException Major datanode Jing Zhao Chen Liang
HDFS-10671 Fix typo in HdfsRollingUpgrade.md Trivial documentation Yiqun Lin Yiqun Lin
HADOOP-13422 ZKDelegationTokenSecretManager JaasConfig does not work well with other ZK users in process Major . Sergey Shelukhin Sergey Shelukhin
HDFS-10696 TestHDFSCLI fails Major test Akira Ajisaka Kai Sasaki
YARN-5432 Lock already held by another process while LevelDB cache store creation for dag Critical timelineserver Karam Singh Li Lu
YARN-5438 TimelineClientImpl leaking FileSystem Instances causing Long running services like HiverServer2 daemon going OOM Major timelineserver Karam Singh Rohith Sharma K S
HADOOP-13381 KMS clients should use KMS Delegation Tokens from current UGI. Critical kms Xiao Chen Xiao Chen
HDFS-10691 FileDistribution fails in hdfs oiv command due to ArrayIndexOutOfBoundsException Major . Yiqun Lin Yiqun Lin
YARN-5121 fix some container-executor portability issues Blocker nodemanager, security Allen Wittenauer Allen Wittenauer
MAPREDUCE-6724 Single shuffle to memory must not exceed Integer#MAX_VALUE Major mrv2 Haibo Chen Haibo Chen
HDFS-5805 TestCheckpoint.testCheckpoint fails intermittently on branch2 Major . Mit Desai Eric Badger
HADOOP-13459 hadoop-azure runs several test cases repeatedly, causing unnecessarily long running time. Minor fs/azure, test Chris Nauroth Chris Nauroth
HDFS-742 A down DataNode makes Balancer to hang on repeatingly asking NameNode its partial block list Minor balancer & mover Hairong Kuang Mit Desai
YARN-4280 CapacityScheduler reservations may not prevent indefinite postponement on a busy cluster Major capacity scheduler Kuhu Shukla Kuhu Shukla
YARN-5462 TestNodeStatusUpdater.testNodeStatusUpdaterRetryAndNMShutdown fails intermittently Major . Eric Badger Eric Badger
HDFS-10710 In BlockManager#rescanPostponedMisreplicatedBlocks(), postponed misreplicated block counts should be retrieved with NN lock protection Major namenode Rui Gao Rui Gao
YARN-5469 Increase timeout of TestAmFilter.testFilter Minor . Eric Badger Eric Badger
HDFS-10569 A bug causes OutOfIndex error in BlockListAsLongs Minor . Weiwei Yang Weiwei Yang
HADOOP-13434 Add quoting to Shell class Major . Owen O’Malley Owen O’Malley
MAPREDUCE-6682 TestMRCJCFileOutputCommitter fails intermittently Major test Brahma Reddy Battula Akira Ajisaka
HDFS-10716 In Balancer, the target task should be removed when its size < 0. Minor balancer & mover Yiqun Lin Yiqun Lin
HDFS-10722 Fix race condition in TestEditLog#testBatchedSyncWithClosedLogs Major hdfs Daryn Sharp Daryn Sharp
HADOOP-13467 Shell#getSignalKillCommand should use the bash builtin on Linux Major . Arpit Agarwal Arpit Agarwal
HDFS-10717 Fix findbugs warnings of hadoop-hdfs-client in branch-2 Major . Akira Ajisaka Akira Ajisaka
HDFS-10343 BlockManager#createLocatedBlocks may return blocks on failed storages Major hdfs Daryn Sharp Kuhu Shukla
HDFS-10715 NPE when applying AvailableSpaceBlockPlacementPolicy Major namenode Guangbin Zhu Guangbin Zhu
YARN-4624 NPE in PartitionQueueCapacitiesInfo while accessing Schduler UI Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-10823 TestReloadingX509TrustManager is flaky Major . Ratandeep Ratti Mingliang Liu
HADOOP-13457 Remove hardcoded absolute path for shell executable Major util Arpit Agarwal Chen Liang
HADOOP-13439 Fix race between TestMetricsSystemImpl and TestGangliaMetrics Minor test Masatake Iwasaki Chen Liang
MAPREDUCE-6750 TestHSAdminServer.testRefreshSuperUserGroups is failing Minor test Kihwal Lee Kihwal Lee
HADOOP-13473 Tracing in IPC Server is broken Major . Wei-Chiu Chuang Daryn Sharp
HDFS-10738 Fix TestRefreshUserMappings.testRefreshSuperUserGroupsConfiguration test failure Major test Rakesh R Rakesh R
HADOOP-13299 JMXJsonServlet is vulnerable to TRACE Minor . Haibo Chen Haibo Chen
HDFS-8224 Schedule a block for scanning if its metadata file is corrupt Major datanode Rushabh S Shah Rushabh S Shah
YARN-5382 RM does not audit log kill request for active applications Major resourcemanager Jason Lowe Vrushali C
HDFS-10643 Namenode should use loginUser(hdfs) to generateEncryptedKey Major encryption, namenode Xiaoyu Yao Xiaoyu Yao
HDFS-8897 Balancer should handle fs.defaultFS trailing slash in HA Major balancer & mover LINTE John Zhuge
HDFS-10731 FSDirectory#verifyMaxDirItems does not log path name Minor namenode Wei-Chiu Chuang Wei-Chiu Chuang
YARN-5476 Not existed application reported as ACCEPTED state by YarnClientImpl Critical yarn Yesha Vora Junping Du
YARN-5491 Random Failure TestCapacityScheduler#testCSQueueBlocked Major test Bibin A Chundatt Bibin A Chundatt
HADOOP-13333 testConf.xml ls comparators in wrong order Trivial fs John Zhuge Vrushali C
HADOOP-13470 GenericTestUtils$LogCapturer is flaky Major test, util Mingliang Liu Mingliang Liu
HADOOP-13494 ReconfigurableBase can log sensitive information Major security Sean Mackrory Sean Mackrory
HDFS-9530 ReservedSpace is not cleared for abandoned Blocks Critical datanode Fei Hui Brahma Reddy Battula
HDFS-10549 Correctly revoke file leases when closing files Major hdfs-client Yiqun Lin Yiqun Lin
HADOOP-13513 Java 1.7 support for org.apache.hadoop.fs.azure testcases Minor fs/azure Tibor Kiss Tibor Kiss
HADOOP-13512 ReloadingX509TrustManager should keep reloading in case of exception Critical security Mingliang Liu Mingliang Liu
YARN-4307 Display blacklisted nodes for AM container in the RM web UI Major resourcemanager, webapp Naganarasimha G R Naganarasimha G R
MAPREDUCE-6763 Shuffle server listen queue is too small Major mrv2 Jason Lowe Jason Lowe
YARN-4837 User facing aspects of ‘AM blacklisting’ feature need fixing Critical . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
MAPREDUCE-6310 Add jdiff support to MapReduce Blocker . Li Lu Li Lu
YARN-3388 Allocation in LeafQueue could get stuck because DRF calculator isn’t well supported when computing user-limit Major capacityscheduler Nathan Roberts Nathan Roberts
YARN-4685 Disable AM blacklisting by default to mitigate situations that application get hanged Critical resourcemanager Rohith Sharma K S Rohith Sharma K S
HADOOP-13428 Fix hadoop-common to generate jdiff Blocker . Wangda Tan Wangda Tan
HDFS-10764 Fix INodeFile#getBlocks to not return null Major namenode Arpit Agarwal Arpit Agarwal
HDFS-10692 Point JDiff base version for HDFS from 2.6.0 to 2.7.2 Blocker . Wangda Tan Wangda Tan
HADOOP-13487 Hadoop KMS should load old delegation tokens from Zookeeper on startup Major kms Alex Ivanov Xiao Chen
HDFS-10783 The option ‘-maxSize’ and ‘-step’ fail in OfflineImageViewer Major tools Yiqun Lin Yiqun Lin
HADOOP-13524 mvn eclipse:eclipse generates .gitignore’able files Major . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
HADOOP-13497 fix wrong command in CredentialProviderAPI.md Trivial documentation Yuanbo Liu Yuanbo Liu
MAPREDUCE-6761 Regression when handling providers - invalid configuration ServiceConfiguration causes Cluster initialization failure Major mrv2 Peter Vary Peter Vary
HDFS-10748 TestFileTruncate#testTruncateWithDataNodesRestart runs sometimes timeout Major test Xiaoyu Yao Yiqun Lin
HDFS-10793 Fix HdfsAuditLogger binary incompatibility introduced by HDFS-9184 Blocker . Andrew Wang Manoj Govindassamy
HDFS-10652 Add a unit test for HDFS-4660 Major datanode, hdfs Yongjun Zhang Vinayakumar B
HADOOP-13552 RetryInvocationHandler logs all remote exceptions Blocker ipc Jason Lowe Jason Lowe
HADOOP-12765 HttpServer2 should switch to using the non-blocking SslSelectChannelConnector to prevent performance degradation when handling SSL connections Major . Min Shen Min Shen
MAPREDUCE-6768 TestRecovery.testSpeculative failed with NPE Major mrv2 Haibo Chen Haibo Chen
HADOOP-13559 Remove close() within try-with-resources in ChecksumFileSystem/ChecksumFs classes Minor fs Aaron Fabbri Aaron Fabbri
HDFS-4210 Throw helpful exception when DNS entry for JournalNode cannot be resolved Trivial ha, journal-node, namenode Damien Hardy John Zhuge
MAPREDUCE-4784 TestRecovery occasionally fails Major mrv2, test Jason Lowe Haibo Chen
HDFS-10760 DataXceiver#run() should not log InvalidToken exception as an error Major . Pan Yuxuan Pan Yuxuan
HDFS-10729 Improve log message for edit loading failures caused by FS limit checks. Major namenode Wei-Chiu Chuang Wei-Chiu Chuang
YARN-5221 Expose UpdateResourceRequest API to allow AM to request for change in container properties Major . Arun Suresh Arun Suresh
HADOOP-13375 o.a.h.security.TestGroupsCaching.testBackgroundRefreshCounters seems flaky Major security, test Mingliang Liu Weiwei Yang
YARN-5555 Scheduler UI: “% of Queue” is inaccurate if leaf queue is hierarchically nested. Minor . Eric Payne Eric Payne
YARN-5549 AMLauncher#createAMContainerLaunchContext() should not log the command to be launched indiscriminately Critical resourcemanager Daniel Templeton Daniel Templeton
HDFS-10841 Remove duplicate or unused variable in appendFile() Minor . Kihwal Lee Kihwal Lee
HADOOP-13558 UserGroupInformation created from a Subject incorrectly tries to renew the Kerberos ticket Major security Alejandro Abdelnur Xiao Chen
HDFS-9038 DFS reserved space is erroneously counted towards non-DFS used. Major datanode Chris Nauroth Brahma Reddy Battula
HDFS-10832 Propagate ACL bit and isEncrypted bit in HttpFS FileStatus permissions Critical httpfs Andrew Wang Andrew Wang
YARN-5632 UPDATE_EXECUTION_TYPE causes UpdateContainerRequestPBImpl to throw Major api Jason Lowe Jason Lowe
HDFS-9781 FsDatasetImpl#getBlockReports can occasionally throw NullPointerException Major datanode Wei-Chiu Chuang Manoj Govindassamy
HDFS-10830 FsDatasetImpl#removeVolumes crashes with IllegalMonitorStateException when vol being removed is in use Major hdfs Manoj Govindassamy Arpit Agarwal
YARN-5190 Registering/unregistering container metrics triggered by ContainerEvent and ContainersMonitorEvent are conflict which cause uncaught exception in ContainerMonitorImpl Blocker . Junping Du Junping Du
HDFS-10856 Update the comment of BPServiceActor$Scheduler#scheduleNextBlockReport Minor documentation Akira Ajisaka Yiqun Lin
YARN-5630 NM fails to start after downgrade from 2.8 to 2.7 Blocker nodemanager Jason Lowe Jason Lowe
HADOOP-13616 Broken code snippet area in Hadoop Benchmarking Minor documentation Kai Sasaki Kai Sasaki
HDFS-10862 Typos in 4 log messages Trivial . Mehran Hassani Mehran Hassani
YARN-4232 TopCLI console support for HA mode Minor . Bibin A Chundatt Bibin A Chundatt
YARN-5655 TestContainerManagerSecurity#testNMTokens is asserting Major . Jason Lowe Robert Kanter
HDFS-10879 TestEncryptionZonesWithKMS#testReadWrite fails intermittently Major . Xiao Chen Xiao Chen
YARN-5539 TimelineClient failed to retry on “java.net.SocketTimeoutException: Read timed out” Critical yarn Sumana Sathish Junping Du
HADOOP-13643 Math error in AbstractContractDistCpTest Minor . Aaron Fabbri Aaron Fabbri
HDFS-10886 Replace “fs.default.name” with “fs.defaultFS” in viewfs document Minor documentation, federation Brahma Reddy Battula Brahma Reddy Battula
HDFS-10843 Update space quota when a UC block is completed rather than committed. Major hdfs, namenode Erik Krogen Erik Krogen
HADOOP-13535 Add jetty6 acceptor startup issue workaround to branch-2 Major . Wei-Chiu Chuang Min Shen
YARN-5664 Fix Yarn documentation to link to correct versions. Minor . Xiao Chen Xiao Chen
YARN-5663 Small refactor in ZKRMStateStore Minor resourcemanager Oleksii Dymytrov Oleksii Dymytrov
HADOOP-12597 In kms-site.xml configuration “hadoop.security.keystore.JavaKeyStoreProvider.password” should be updated with new name Minor security huangyitian Surendra Singh Lilhore
HADOOP-13638 KMS should set UGI’s Configuration object properly Major kms Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9885 Correct the distcp counters name while displaying counters Minor distcp Archana T Surendra Singh Lilhore
YARN-5660 Wrong audit constants are used in Get/Put of priority in RMWebService Trivial resourcemanager Rohith Sharma K S Rohith Sharma K S
HDFS-10889 Remove outdated Fault Injection Framework documentaion Major documentation Brahma Reddy Battula Brahma Reddy Battula
HDFS-10713 Throttle FsNameSystem lock warnings Major logging, namenode Arpit Agarwal Hanisha Koneru
HDFS-10426 TestPendingInvalidateBlock failed in trunk Major test Yiqun Lin Yiqun Lin
HDFS-10828 Fix usage of FsDatasetImpl object lock in ReplicaMap Blocker . Arpit Agarwal Arpit Agarwal
YARN-5631 Missing refreshClusterMaxPriority usage in rmadmin help message Minor . Kai Sasaki Kai Sasaki
HDFS-9444 Add utility to find set of available ephemeral ports to ServerSocketUtil Major . Brahma Reddy Battula Masatake Iwasaki
HDFS-10824 MiniDFSCluster#storageCapacities has no effects on real capacity Major . Xiaobing Zhou Xiaobing Zhou
HDFS-10914 Move remnants of oah.hdfs.client to hadoop-hdfs-client Critical hdfs-client Andrew Wang Andrew Wang
MAPREDUCE-6771 RMContainerAllocator sends container diagnostics event after corresponding completion event Major mrv2 Haibo Chen Haibo Chen
HADOOP-13640 Fix findbugs warning in VersionInfoMojo.java Major . Tsuyoshi Ozawa Yuanbo Liu
HDFS-10850 getEZForPath should NOT throw FNF Blocker hdfs Daryn Sharp Andrew Wang
HDFS-10945 Fix the Findbugwaring FSNamesystem#renameTo(String, String, boolean) in branch-2 Major . Brahma Reddy Battula Brahma Reddy Battula
HDFS-10810 Setreplication removing block from underconstrcution temporarily when batch IBR is enabled. Major namenode Brahma Reddy Battula Brahma Reddy Battula
HDFS-10944 Correct the javadoc of dfsadmin#disallowSnapshot Minor documentation Jagadesh Kiran N Jagadesh Kiran N
HDFS-10947 Correct the API name for truncate in webhdfs document Major documentation Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-12667 s3a: Support createNonRecursive API Major fs/s3 Sean Mackrory Sean Mackrory
HDFS-10609 Uncaught InvalidEncryptionKeyException during pipeline recovery may abort downstream applications Major encryption Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-10962 TestRequestHedgingProxyProvider is flaky Major test Andrew Wang Andrew Wang
MAPREDUCE-6740 Enforce mapreduce.task.timeout to be at least mapreduce.task.progress-report.interval Minor mr-am Haibo Chen Haibo Chen
YARN-5101 YARN_APPLICATION_UPDATED event is parsed in ApplicationHistoryManagerOnTimelineStore#convertToApplicationReport with reversed order Major . Xuan Gong Sunil G
YARN-5659 getPathFromYarnURL should use standard methods Major . Sergey Shelukhin Sergey Shelukhin
HADOOP-12611 TestZKSignerSecretProvider#testMultipleInit occasionally fail Major . Wei-Chiu Chuang Eric Badger
HDFS-10797 Disk usage summary of snapshots causes renamed blocks to get counted twice Major snapshots Sean Mackrory Sean Mackrory
HDFS-10991 Export hdfsTruncateFile symbol in libhdfs Blocker libhdfs Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-13700 Remove unthrown IOException from TrashPolicy#initialize and #getInstance signatures Critical fs Haibo Chen Andrew Wang
HDFS-11002 Fix broken attr/getfattr/setfattr links in ExtendedAttributes.md Major documentation Mingliang Liu Mingliang Liu
HDFS-11000 webhdfs PUT does not work if requests are routed to call queue. Major . Kihwal Lee Kihwal Lee
HDFS-10987 Make Decommission less expensive when lot of blocks present. Critical . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13024 Distcp with -delete feature on raw data not implemented Major tools/distcp Mavin Martin Mavin Martin
HDFS-10986 DFSAdmin should log detailed error message if any Major tools Mingliang Liu Mingliang Liu
HDFS-10990 TestPendingInvalidateBlock should wait for IBRs Minor . Yiqun Lin Yiqun Lin
HDFS-10735 Distcp using webhdfs on secure HA clusters fails with StandbyException Major webhdfs Benoy Antony Benoy Antony
HDFS-10883 `getTrashRoot`’s behavior is not consistent in DFS after enabling EZ. Major . Yuanbo Liu Yuanbo Liu
HADOOP-13707 If kerberos is enabled while HTTP SPNEGO is not configured, some links cannot be accessed Major . Yuanbo Liu Yuanbo Liu
HDFS-10301 BlockReport retransmissions may lead to storages falsely being declared zombie if storage report processing happens out of order Critical namenode Konstantin Shvachko Vinitha Reddy Gankidi
HDFS-10712 Fix TestDataNodeVolumeFailure on 2.* branches. Major . Konstantin Shvachko Vinitha Reddy Gankidi
HDFS-10920 TestStorageMover#testNoSpaceDisk is failing intermittently Major test Rakesh R Rakesh R
HDFS-10960 TestDataNodeHotSwapVolumes#testRemoveVolumeBeingWritten fails at disk error verification after volume remove Minor hdfs Manoj Govindassamy Manoj Govindassamy
HDFS-10752 Several log refactoring/improvement suggestion in HDFS Major . Nemo Chen Hanisha Koneru
HDFS-11025 TestDiskspaceQuotaUpdate fails in trunk due to Bind exception Minor . Yiqun Lin Yiqun Lin
HDFS-11018 Incorrect check and message in FsDatasetImpl#invalidate Major datanode Wei-Chiu Chuang Yiqun Lin
HADOOP-13236 truncate will fail when we use viewfilesystem Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13749 KMSClientProvider combined with KeyProviderCache can result in wrong UGI being used Critical . Sergey Shelukhin Xiaoyu Yao
HDFS-11042 Add missing cleanupSSLConfig() call for tests that use setupSSLConfig() Major test Kuhu Shukla Kuhu Shukla
HDFS-11015 Enforce timeout in balancer Major balancer & mover Kihwal Lee Kihwal Lee
YARN-5677 RM should transition to standby when connection is lost for an extended period Critical resourcemanager Daniel Templeton Daniel Templeton
HDFS-11054 Suppress verbose log message in BlockPlacementPolicyDefault Major . Arpit Agarwal Chen Liang
HDFS-11050 Change log level to ‘warn’ when ssl initialization fails and defaults to DEFAULT_TIMEOUT_CONN_CONFIGURATOR Major . Kuhu Shukla Kuhu Shukla
HDFS-10921 TestDiskspaceQuotaUpdate doesn’t wait for NN to get out of safe mode Major . Eric Badger Eric Badger
HDFS-8492 DN should notify NN when client requests a missing block Major . Daryn Sharp Walter Su
MAPREDUCE-6541 Exclude scheduled reducer memory when calculating available mapper slots from headroom to avoid deadlock Major . Wangda Tan Varun Saxena
YARN-3848 TestNodeLabelContainerAllocation is not timing out Major test Jason Lowe Varun Saxena
HADOOP-13201 Print the directory paths when ViewFs denies the rename operation on internal dirs Major viewfs Tianyin Xu Rakesh R
YARN-4831 Recovered containers will be killed after NM stateful restart Major nodemanager Siqi Li Siqi Li
YARN-3432 Cluster metrics have wrong Total Memory when there is reserved memory on CS Major capacityscheduler, resourcemanager Thomas Graves Brahma Reddy Battula
HDFS-9500 datanodesSoftwareVersions map may counting wrong when rolling upgrade Major . Phil Yang Erik Krogen
MAPREDUCE-2631 Potential resource leaks in BinaryProtocol$TeeOutputStream.java Major . Ravi Teja Ch N V Sunil G
HADOOP-13770 Shell.checkIsBashSupported swallowed an interrupted exception Minor util Wei-Chiu Chuang Wei-Chiu Chuang
YARN-5027 NM should clean up app log dirs after NM restart Major nodemanager sandflee sandflee
YARN-5767 Fix the order that resources are cleaned up from the local Public/Private caches Major . Chris Trezzo Chris Trezzo
HDFS-11061 Update dfs -count -t command line help and documentation Minor documentation, fs Wei-Chiu Chuang Yiqun Lin
YARN-5773 RM recovery too slow due to LeafQueue#activateApplication() Critical capacity scheduler, rolling upgrade Bibin A Chundatt Bibin A Chundatt
HDFS-10455 Logging the username when deny the setOwner operation Minor namenode Tianyin Xu Rakesh R
HADOOP-13773 wrong HADOOP_CLIENT_OPTS in hadoop-env on branch-2 Major conf Fei Hui Fei Hui
YARN-5001 Aggregated Logs root directory is created with wrong group if nonexistent Major log-aggregation, nodemanager, security Haibo Chen Haibo Chen
YARN-5815 Random failure of TestApplicationPriority.testOrderOfActivatingThePriorityApplicationOnRMRestart Major . Bibin A Chundatt Bibin A Chundatt
HDFS-11097 Fix the jenkins warning related to the deprecated method StorageReceivedDeletedBlocks Major . Yiqun Lin Yiqun Lin
YARN-5837 NPE when getting node status of a decommissioned node after an RM restart Major . Robert Kanter Robert Kanter
HADOOP-13798 TestHadoopArchives times out Major test Akira Ajisaka Akira Ajisaka
HADOOP-13797 Remove hardcoded absolute path for ls Major util Christine Koppelt Christine Koppelt
HADOOP-13804 MutableStat mean loses accuracy if add(long, long) is used Minor metrics Erik Krogen Erik Krogen
HDFS-11128 CreateEditsLog throws NullPointerException Major hdfs Hanisha Koneru Hanisha Koneru
HDFS-11129 TestAppendSnapshotTruncate fails with bind exception Major test Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13813 TestDelegationTokenFetcher#testDelegationTokenWithoutRenewer is failing Major security, test Mingliang Liu Mingliang Liu
HDFS-11087 NamenodeFsck should check if the output writer is still writable. Major namenode Konstantin Shvachko Erik Krogen
HDFS-11135 The tests in TestBalancer run fails due to NPE Major test Yiqun Lin Yiqun Lin
HDFS-11056 Concurrent append and read operations lead to checksum error Major datanode, httpfs Wei-Chiu Chuang Wei-Chiu Chuang
MAPREDUCE-6797 Job history server scans can become blocked on a single, slow entry Critical jobhistoryserver Prabhu Joseph Prabhu Joseph
YARN-4355 NPE while processing localizer heartbeat Major nodemanager Jason Lowe Varun Saxena
YARN-4218 Metric for resource*time that was preempted Major resourcemanager Chang Li Chang Li
YARN-5875 TestTokenClientRMService#testTokenRenewalWrongUser fails Major . Varun Saxena Gergely Novák
HADOOP-13815 TestKMS#testDelegationTokensOpsSimple and TestKMS#testDelegationTokensOpsKerberized Fails in Trunk Major test Brahma Reddy Battula Xiao Chen
YARN-5836 Malicious AM can kill containers of other apps running in any node its containers are running Minor nodemanager Botong Huang Botong Huang
HDFS-11134 Fix bind exception threw in TestRenameWhileOpen Major . Yiqun Lin Yiqun Lin
MAPREDUCE-6801 Fix flaky TestKill.testKillJob() Major mrv2 Haibo Chen Haibo Chen
HADOOP-13814 Sample configuration of KMS HTTP Authentication signature is misleading Minor conf, documentation, kms Masahiro Tanaka Masahiro Tanaka
HDFS-11144 TestFileCreationDelete#testFileCreationDeleteParent fails wind bind exception Major test Brahma Reddy Battula Brahma Reddy Battula
HDFS-11101 TestDFSShell#testMoveWithTargetPortEmpty fails intermittently Major test Brahma Reddy Battula Brahma Reddy Battula
YARN-5859 TestResourceLocalizationService#testParallelDownloadAttemptsForPublicResource sometimes fails Major test Jason Lowe Eric Badger
HADOOP-13663 Index out of range in SysInfoWindows Major native, util Íñigo Goiri Íñigo Goiri
HDFS-11174 Wrong HttpFS test command in doc Minor documentation, httpfs John Zhuge John Zhuge
HADOOP-13820 Replace ugi.getUsername() with ugi.getShortUserName() in viewFS Minor viewfs Archana T Brahma Reddy Battula
HADOOP-13838 KMSTokenRenewer should close providers Critical kms Xiao Chen Xiao Chen
HADOOP-13830 Intermittent failure of ITestS3NContractRootDir#testRecursiveRootListing: “Can not create a Path from an empty string” Minor fs/s3, test Steve Loughran Steve Loughran
YARN-5915 ATS 1.5 FileSystemTimelineWriter causes flush() to be called after every event write Major timelineserver Atul Sikaria Atul Sikaria
MAPREDUCE-6815 Fix flaky TestKill.testKillTask() Major mrv2 Haibo Chen Haibo Chen
HDFS-11181 Fuse wrapper has a typo Trivial fuse-dfs Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-13847 KMSWebApp should close KeyProviderCryptoExtension Major kms Anthony Young-Garner John Zhuge
YARN-5559 Analyse 2.8.0/3.0.0 jdiff reports and fix any issues Blocker resourcemanager Wangda Tan Akira Ajisaka
HADOOP-13861 Spelling errors in logging and exceptions for code Major common, fs, io, security Grant Sohn Grant Sohn
HDFS-11180 Intermittent deadlock in NameNode when failover happens. Blocker namenode Abhishek Modi Akira Ajisaka
HDFS-11198 NN UI should link DN web address using hostnames Critical . Kihwal Lee Weiwei Yang
MAPREDUCE-6816 Progress bars in Web UI always at 100% Blocker webapps Shen Yinjie Shen Yinjie
YARN-5184 Fix up incompatible changes introduced on ContainerStatus and NodeReport Blocker api Karthik Kambatla Sangjin Lee
YARN-5921 Incorrect synchronization in RMContextImpl#setHAServiceState/getHAServiceState Major . Varun Saxena Varun Saxena
HDFS-11140 Directory Scanner should log startup message time correctly Minor . Xiao Chen Yiqun Lin
HDFS-11223 Fix typos in HttpFs documentations Trivial documentation Yiqun Lin Yiqun Lin
HDFS-11197 Listing encryption zones fails when deleting a EZ that is on a snapshotted directory Minor hdfs Wellington Chevreuil Wellington Chevreuil
HDFS-11224 Lifeline message should be ignored for dead nodes Critical . Vinayakumar B Vinayakumar B
HADOOP-13824 FsShell can suppress the real error if no error message is present Major fs Rob Vesse John Zhuge
MAPREDUCE-6820 Fix dead links in Job relevant classes Minor documentation Yiqun Lin Yiqun Lin
HDFS-8870 Lease is leaked on write failure Major hdfs-client Rushabh S Shah Kuhu Shukla
HADOOP-13565 KerberosAuthenticationHandler#authenticate should not rebuild SPN based on client request Major security Xiaoyu Yao Xiaoyu Yao
HDFS-11229 HDFS-11056 failed to close meta file Blocker datanode Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-10570 Remove classpath conflicts of netty-all jar in hadoop-hdfs-client Minor test Vinayakumar B Vinayakumar B
HDFS-10684 WebHDFS DataNode calls fail without parameter createparent Blocker webhdfs Samuel Low John Zhuge
HDFS-11204 Document the missing options of hdfs zkfc command Minor documentation Yiqun Lin Yiqun Lin
HADOOP-13890 Maintain HTTP/host as SPNEGO SPN support and fix KerberosName parsing Major test Brahma Reddy Battula Xiaoyu Yao
HDFS-11094 Send back HAState along with NamespaceInfo during a versionRequest as an optional parameter Major datanode Eric Badger Eric Badger
HDFS-11160 VolumeScanner reports write-in-progress replicas as corrupt incorrectly Major datanode Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-11263 ClassCastException when we use Bzipcodec for Fsimage compression Critical . Brahma Reddy Battula Brahma Reddy Battula
HDFS-11195 Return error when appending files by webhdfs rest api fails Major . Yuanbo Liu Yuanbo Liu
HDFS-11261 Document missing NameNode metrics Minor documentation Yiqun Lin Yiqun Lin
HDFS-11258 File mtime change could not save to editlog Critical . Jimmy Xiang Jimmy Xiang
HDFS-11271 Typo in NameNode UI Trivial namenode, ui Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-11250 Fix a typo in ReplicaUnderRecovery#setRecoveryID Trivial . Yiqun Lin Yiqun Lin
HDFS-11270 Document the missing options of NameNode bootstrap command Minor documentation Yiqun Lin Yiqun Lin
HDFS-11252 TestFileTruncate#testTruncateWithDataNodesRestartImmediately can fail with BindException Major . Jason Lowe Yiqun Lin
YARN-6024 Capacity Scheduler ‘continuous reservation looking’ doesn’t work when sum of queue’s used and reserved resources is equal to max Major . Wangda Tan Wangda Tan
HADOOP-13883 Add description of -fs option in generic command usage Minor documentation Yiqun Lin Yiqun Lin
YARN-6029 CapacityScheduler deadlock when ParentQueue#getQueueUserAclInfo is called by one thread and LeafQueue#assignContainers is releasing excessive reserved container by another thread Critical capacityscheduler Tao Yang Tao Yang
HADOOP-12733 Remove references to obsolete io.seqfile configuration variables Minor . Ray Chiang Ray Chiang
HDFS-11280 Allow WebHDFS to reuse HTTP connections to NN Major hdfs Zheng Shao Zheng Shao
MAPREDUCE-6711 JobImpl fails to handle preemption events on state COMMITTING Major . Li Lu Prabhu Joseph
HADOOP-13958 Bump up release year to 2017 Blocker . Junping Du Junping Du
YARN-6068 Log aggregation get failed when NM restart even with recovery Blocker . Junping Du Junping Du
YARN-4148 When killing app, RM releases app’s resource before they are released by NM Major resourcemanager Jun Gong Jason Lowe
HDFS-11312 Fix incompatible tag number change for nonDfsUsed in DatanodeInfoProto Blocker . Sean Mackrory Sean Mackrory
YARN-6072 RM unable to start in secure mode Blocker resourcemanager Bibin A Chundatt Ajith S
HDFS-10733 NameNode terminated after full GC thinking QJM is unresponsive. Major namenode, qjm Konstantin Shvachko Vinitha Reddy Gankidi
HADOOP-14001 Improve delegation token validity checking Major . Akira Ajisaka Akira Ajisaka
HDFS-11376 Revert HDFS-8377 Support HTTP/2 in datanode Major datanode Andrew Wang Xiao Chen
YARN-6151 FS preemption does not consider child queues over fairshare if the parent is under Major fairscheduler Yufei Gu Yufei Gu
YARN-5271 ATS client doesn’t work with Jersey 2 on the classpath Major client, timelineserver Steve Loughran Weiwei Yang
YARN-3933 FairScheduler: Multiple calls to completedContainer are not safe Major fairscheduler Lavkesh Lahngir Shiwei Guo
YARN-6177 Yarn client should exit with an informative error message if an incompatible Jersey library is used at client Major . Weiwei Yang Weiwei Yang
HDFS-11379 DFSInputStream may infinite loop requesting block locations Critical hdfs-client Daryn Sharp Daryn Sharp
HADOOP-14092 Typo in hadoop-aws index.md Trivial fs/s3 John Zhuge John Zhuge
HADOOP-13826 S3A Deadlock in multipart copy due to thread pool limits. Critical fs/s3 Sean Mackrory Sean Mackrory
HADOOP-14017 User friendly name for ADLS user and group Major fs/adl John Zhuge Vishwajeet Dusane
YARN-6175 FairScheduler: Negative vcore for resource needed to preempt Major fairscheduler Yufei Gu Yufei Gu
HADOOP-14028 S3A BlockOutputStreams doesn’t delete temporary files in multipart uploads or handle part upload failures Critical fs/s3 Seth Fitzsimmons Steve Loughran
YARN-1728 Workaround guice3x-undecoded pathInfo in YARN WebApp Major . Abraham Elmahrek Yuanbo Liu
HADOOP-12979 IOE in S3a: ${hadoop.tmp.dir}/s3a not configured Major . Steve Loughran Steve Loughran
YARN-6270 WebUtils.getRMWebAppURLWithScheme() needs to honor RM HA setting Major . Sumana Sathish Xuan Gong
HDFS-11498 Make RestCsrfPreventionHandler and WebHdfsHandler compatible with Netty 4.0 Major . Andrew Wang Andrew Wang
HADOOP-14087 S3A typo in pom.xml test exclusions Major fs/s3 Aaron Fabbri Aaron Fabbri
HADOOP-14062 ApplicationMasterProtocolPBClientImpl.allocate fails with EOFException when RPC privacy is enabled Critical . Steven Rand Steven Rand
HDFS-11431 hadoop-hdfs-client JAR does not include ConfiguredFailoverProxyProvider Blocker build, hdfs-client Steven Rand Steven Rand
YARN-4925 ContainerRequest in AMRMClient, application should be able to specify nodes/racks together with nodeLabelExpression Major . Bibin A Chundatt Bibin A Chundatt
MAPREDUCE-6433 launchTime may be negative Major jobhistoryserver, mrv2 Allen Wittenauer zhihai xu

TESTS:

JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-6191 TestJavaSerialization fails with getting incorrect MR job result Minor test sam liu sam liu
YARN-3339 TestDockerContainerExecutor should pull a single image and not the entire centos repository Minor test Ravindra Kumar Naik Ravindra Kumar Naik
YARN-1880 Cleanup TestApplicationClientProtocolOnHA Trivial test Tsuyoshi Ozawa Tsuyoshi Ozawa
HDFS-6263 Remove DRFA.MaxBackupIndex config from log4j.properties Minor . Akira Ajisaka Abhiraj Butala
HDFS-6408 Remove redundant definitions in log4j.properties Minor test Abhiraj Butala Abhiraj Butala
YARN-2666 TestFairScheduler.testContinuousScheduling fails Intermittently Major scheduler Tsuyoshi Ozawa zhihai xu
HDFS-8247 TestDiskspaceQuotaUpdate#testAppendOverTypeQuota is failing Major test Anu Engineer Xiaoyu Yao
HADOOP-11881 test-patch.sh javac result is wildly wrong Major build, test Allen Wittenauer Kengo Seki
HADOOP-11904 test-patch.sh goes into an infinite loop on non-maven builds Critical test Allen Wittenauer Allen Wittenauer
YARN-3343 TestCapacitySchedulerNodeLabelUpdate.testNodeUpdate sometime fails in trunk Minor . Xuan Gong Rohith Sharma K S
YARN-3580 [JDK 8] TestClientRMService.testGetLabelsToNodes fails Major test Robert Kanter Robert Kanter
HDFS-7559 Create unit test to automatically compare HDFS related classes and hdfs-default.xml Minor . Ray Chiang Ray Chiang
HADOOP-11906 test-patch.sh should use ‘file’ command for patch determinism Major . Allen Wittenauer Sean Busbey
YARN-3602 TestResourceLocalizationService.testPublicResourceInitializesLocalDir fails Intermittently due to IOException from cleanup Minor test zhihai xu zhihai xu
HDFS-8243 Files written by TestHostsFiles and TestNameNodeMXBean are causing Release Audit Warnings. Minor test Ruth Wisniewski Ruth Wisniewski
HADOOP-11884 test-patch.sh should pull the real findbugs version Minor test Allen Wittenauer Kengo Seki
HADOOP-11944 add option to test-patch to avoid relocating patch process directory Minor . Sean Busbey Sean Busbey
HADOOP-11949 Add user-provided plugins to test-patch Major . Sean Busbey Sean Busbey
HADOOP-12000 cannot use –java-home in test-patch Major scripts Allen Wittenauer Allen Wittenauer
MAPREDUCE-6204 TestJobCounters should use new properties instead of JobConf.MAPRED_TASK_JAVA_OPTS Minor test sam liu sam liu
HADOOP-12035 shellcheck plugin displays a wrong version potentially Trivial build Kengo Seki Kengo Seki
HADOOP-12030 test-patch should only report on newly introduced findbugs warnings. Major . Sean Busbey Sean Busbey
HADOOP-11930 test-patch in offline mode should tell maven to be in offline mode Major . Sean Busbey Sean Busbey
HADOOP-11965 determine-flaky-tests needs a summary mode Minor . Allen Wittenauer Yufei Gu
HDFS-8645 Resolve inconsistent code in TestReplicationPolicy between trunk and branch-2 Major namenode Zhe Zhang Zhe Zhang
YARN-2871 TestRMRestart#testRMRestartGetApplicationList sometime fails in trunk Minor . Ted Yu zhihai xu
YARN-3956 Fix TestNodeManagerHardwareUtils fails on Mac Minor nodemanager Varun Vasudev Varun Vasudev
HDFS-8834 TestReplication#testReplicationWhenBlockCorruption is not valid after HDFS-6482 Minor datanode Lei (Eddy) Xu Lei (Eddy) Xu
YARN-3992 TestApplicationPriority.testApplicationPriorityAllocation fails intermittently Major . Zhijie Shen Sunil G
HDFS-2070 Add more unit tests for FsShell getmerge Major test XieXianshan Daniel Templeton
MAPREDUCE-5045 UtilTest#isCygwin method appears to be unused Trivial contrib/streaming, test Chris Nauroth Neelesh Srinivas Salian
YARN-3573 MiniMRYarnCluster constructor that starts the timeline server using a boolean should be marked deprecated Major timelineserver Mit Desai Brahma Reddy Battula
HDFS-9295 Add a thorough test of the full KMS code path Critical security, test Daniel Templeton Daniel Templeton
HDFS-9339 Extend full test of KMS ACLs Major test Daniel Templeton Daniel Templeton
HDFS-9354 Fix TestBalancer#testBalancerWithZeroThreadsForMove on Windows Major test Xiaoyu Yao Xiaoyu Yao
HDFS-9410 Some tests should always reset sysout and syserr Minor test Xiao Chen Xiao Chen
HADOOP-12564 Upgrade JUnit3 TestCase to JUnit 4 in org.apache.hadoop.io package Trivial test Dustin Cote Dustin Cote
HDFS-9153 Pretty-format the output for DFSIO Major . Kai Zheng Kai Zheng
HDFS-9429 Tests in TestDFSAdminWithHA intermittently fail with EOFException Major test Xiao Chen Xiao Chen
HADOOP-10729 Add tests for PB RPC in case version mismatch of client and server Major ipc Junping Du Junping Du
HDFS-7553 fix the TestDFSUpgradeWithHA due to BindException Major test Liang Xie Xiao Chen
HDFS-9626 TestBlockReplacement#testBlockReplacement fails occasionally Minor test Xiao Chen Xiao Chen
HADOOP-12696 Add Tests for S3FileSystem Contract Major tools Matthew Paduano Matthew Paduano
MAPREDUCE-6614 Remove unnecessary code in TestMapreduceConfigFields Minor test Akira Ajisaka Kai Sasaki
HADOOP-12736 TestTimedOutTestsListener#testThreadDumpAndDeadlocks sometimes times out Major . Xiao Chen Xiao Chen
HADOOP-12715 TestValueQueue#testgetAtMostPolicyALL fails intermittently Major . Xiao Chen Xiao Chen
HDFS-9773 Remove dead code related to SimulatedFSDataset in tests Minor test Akira Ajisaka Brahma Reddy Battula
HDFS-9888 Allow reseting KerberosName in unit tests Minor . Xiao Chen Xiao Chen
YARN-4717 TestResourceLocalizationService.testPublicResourceInitializesLocalDir fails Intermittently due to IllegalArgumentException from cleanup Minor nodemanager Daniel Templeton Daniel Templeton
HDFS-9949 Add a test case to ensure that the DataNode does not regenerate its UUID when a storage directory is cleared Minor . Harsh J Harsh J
HADOOP-12738 Create unit test to automatically compare Common related classes and core-default.xml Minor . Ray Chiang Ray Chiang
HADOOP-12101 Add automatic search of default Configuration variables to TestConfigurationFieldsBase Major test Ray Chiang Ray Chiang
YARN-4947 Test timeout is happening for TestRMWebServicesNodes Major test Bibin A Chundatt Bibin A Chundatt
YARN-5069 TestFifoScheduler.testResourceOverCommit race condition Major test Eric Badger Eric Badger
YARN-5114 Add additional tests in TestRMWebServicesApps and rectify testInvalidAppAttempts failure in 2.8 Minor . Bibin A Chundatt Bibin A Chundatt
HDFS-10375 Remove redundant TestMiniDFSCluster.testDualClusters Trivial test John Zhuge Jiayi Zhou
YARN-5023 TestAMRestart#testShouldNotCountFailureToMaxAttemptRetry random failure Major . Bibin A Chundatt sandflee
YARN-5318 TestRMAdminService#testRefreshNodesResourceWithFileSystemBasedConfigurationProvider fails intermittently. Minor . sandflee Jun Gong
YARN-5037 TestRMRestart#testQueueMetricsOnRMRestart random failure Major . sandflee sandflee
YARN-5317 testAMRestartNotLostContainerCompleteMsg may fail Minor . sandflee sandflee
YARN-5159 Wrong Javadoc tag in MiniYarnCluster Major documentation Andras Bokor Andras Bokor
MAPREDUCE-6738 TestJobListCache.testAddExisting failed intermittently in slow VM testbed Minor . Junping Du Junping Du
YARN-5092 TestRMDelegationTokens fails intermittently Major test Rohith Sharma K S Jason Lowe
HADOOP-10980 TestActiveStandbyElector fails occasionally in trunk Minor . Ted Yu Eric Badger
HADOOP-13395 Enhance TestKMSAudit Minor kms Xiao Chen Xiao Chen
YARN-5492 TestSubmitApplicationWithRMHA is failing sporadically during precommit builds Major test Jason Lowe Vrushali C
YARN-5544 TestNodeBlacklistingOnAMFailures fails on trunk Major test Varun Saxena Sunil G
HDFS-9745 TestSecureNNWithQJM#testSecureMode sometimes fails with timeouts Minor . Xiao Chen Xiao Chen
YARN-5389 TestYarnClient#testReservationDelete fails Major . Rohith Sharma K S Sean Po
YARN-5560 Clean up bad exception catching practices in TestYarnClient Major . Sean Po Sean Po
HDFS-10657 testAclCLI.xml setfacl test should expect mask r-x Minor . John Zhuge John Zhuge
HDFS-9333 Some tests using MiniDFSCluster errored complaining port in use Minor test Kai Zheng Masatake Iwasaki
HADOOP-13686 Adding additional unit test for Trash (I) Major . Xiaoyu Yao Weiwei Yang
YARN-3568 TestAMRMTokens should use some random port Major test Gera Shegalov Takashi Ohnishi
MAPREDUCE-6804 Add timeout when starting JobHistoryServer in MiniMRYarnCluster Minor test Andras Bokor Andras Bokor
HDFS-11272 Refine the assert messages in TestFSDirAttrOp Minor test Akira Ajisaka Jimmy Xiang
HDFS-11278 Add missing @Test annotation for TestSafeMode.testSafeModeUtils() Trivial namenode Lukas Majercak Lukas Majercak
YARN-5608 TestAMRMClient.setup() fails with ArrayOutOfBoundsException Major test Daniel Templeton Daniel Templeton

SUB-TASKS:

JIRA Summary Priority Component Reporter Contributor
YARN-3356 Capacity Scheduler FiCaSchedulerApp should use ResourceUsage to track used-resources-by-label. Major capacityscheduler, resourcemanager Wangda Tan Wangda Tan
YARN-3345 Add non-exclusive node label API to RMAdmin protocol and NodeLabelsManager Major api, client, resourcemanager Wangda Tan Wangda Tan
HDFS-7854 Separate class DataStreamer out of DFSOutputStream Major hdfs-client Li Bo Li Bo
HDFS-7713 Implement mkdirs in the HDFS Web UI Major ui Ravi Prakash Ravi Prakash
YARN-2495 Allow admin specify labels from each NM (Distributed configuration) Major resourcemanager Wangda Tan Naganarasimha G R
HDFS-7893 Update the POM to create a separate hdfs-client jar Major build Haohui Mai Haohui Mai
YARN-3365 Add support for using the ‘tc’ tool via container-executor Major nodemanager Sidharta Seethana Sidharta Seethana
HDFS-8034 Fix TestDFSClientRetries#testDFSClientConfigurationLocateFollowingBlockInitialDelay for Windows Minor test Xiaoyu Yao Xiaoyu Yao
YARN-3110 Few issues in ApplicationHistory web ui Minor applications, timelineserver Bibin A Chundatt Naganarasimha G R
HDFS-8049 Annotation client implementation as private Major hdfs-client Tsz Wo Nicholas Sze Takuya Fukudome
HDFS-8079 Separate the client retry conf from DFSConfigKeys Major hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8080 Separate JSON related routines used by WebHdfsFileSystem to a package local class Minor hdfs-client Haohui Mai Haohui Mai
HDFS-8085 Move CorruptFileBlockIterator to the hdfs.client.impl package Minor hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8089 Move o.a.h.hdfs.web.resources.* to the client jars Minor build Haohui Mai Haohui Mai
HDFS-8102 Separate webhdfs retry configuration keys from DFSConfigKeys Minor hdfs-client Haohui Mai Haohui Mai
YARN-1376 NM need to notify the log aggregation status to RM through Node heartbeat Major . Xuan Gong Xuan Gong
HDFS-8100 Refactor DFSClient.Conf to a standalone class Minor hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8103 Move BlockTokenSecretManager.AccessMode into BlockTokenIdentifier Minor security Haohui Mai Haohui Mai
HDFS-8084 Separate the client failover conf from DFSConfigKeys Major hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8083 Separate the client write conf from DFSConfigKeys Major hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-3347 Improve YARN log command to get AMContainer logs as well as running containers logs Major log-aggregation Xuan Gong Xuan Gong
YARN-3443 Create a ‘ResourceHandler’ subsystem to ease addition of support for new resource types on the NM Major nodemanager Sidharta Seethana Sidharta Seethana
HDFS-7701 Support reporting per storage type quota and usage with hadoop/hdfs shell Major datanode, namenode Xiaoyu Yao Peter Shi
YARN-3361 CapacityScheduler side changes to support non-exclusive node labels Major capacityscheduler Wangda Tan Wangda Tan
YARN-3318 Create Initial OrderingPolicy Framework and FifoOrderingPolicy Major scheduler Craig Welch Craig Welch
YARN-3326 Support RESTful API for getLabelsToNodes Minor resourcemanager Naganarasimha G R Naganarasimha G R
YARN-3354 Container should contains node-labels asked by original ResourceRequests Major api, capacityscheduler, nodemanager, resourcemanager Wangda Tan Wangda Tan
HDFS-8082 Separate the client read conf from DFSConfigKeys Major hdfs-client Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8165 Move GRANDFATHER_GENERATION_STAMP and GRANDFATER_INODE_ID to hdfs-client Major build Haohui Mai Haohui Mai
YARN-1402 Related Web UI, CLI changes on exposing client API to check log aggregation status Major . Xuan Gong Xuan Gong
YARN-2696 Queue sorting in CapacityScheduler should consider node label Major capacityscheduler, resourcemanager Wangda Tan Wangda Tan
YARN-3487 CapacityScheduler scheduler lock obtained unnecessarily when calling getQueue Critical capacityscheduler Jason Lowe Jason Lowe
YARN-3136 getTransferredContainers can be a bottleneck during AM registration Major scheduler Jason Lowe Sunil G
HDFS-8169 Move LocatedBlocks and related classes to hdfs-client Major build, hdfs-client Haohui Mai Haohui Mai
YARN-3463 Integrate OrderingPolicy Framework with CapacityScheduler Major capacityscheduler Craig Welch Craig Welch
HDFS-8185 Separate client related routines in HAUtil into a new class Major build, hdfs-client Haohui Mai Haohui Mai
YARN-3225 New parameter or CLI for decommissioning node gracefully in RMAdmin CLI Major graceful Junping Du Devaraj K
HDFS-8218 Move classes that used by ClientProtocol into hdfs-client Major build Haohui Mai Haohui Mai
YARN-3366 Outbound network bandwidth : classify/shape traffic originating from YARN containers Major . Sidharta Seethana Sidharta Seethana
YARN-2605 [RM HA] Rest api endpoints doing redirect incorrectly Major resourcemanager bc Wong Xuan Gong
YARN-3319 Implement a FairOrderingPolicy Major scheduler Craig Welch Craig Welch
YARN-3413 Node label attributes (like exclusivity) should settable via addToClusterNodeLabels but shouldn’t be changeable at runtime Major api, client, resourcemanager Wangda Tan Wangda Tan
YARN-2498 Respect labels in preemption policy of capacity scheduler for inter-queue preemption Major resourcemanager Wangda Tan Wangda Tan
YARN-2740 Fix NodeLabelsManager to properly handle node label modifications when distributed node label configuration enabled Major resourcemanager Wangda Tan Naganarasimha G R
YARN-3544 AM logs link missing in the RM UI for a completed app Blocker . Hitesh Shah Xuan Gong
YARN-2619 NodeManager: Add cgroups support for disk I/O isolation Major . Wei Yan Varun Vasudev
HDFS-8086 Move LeaseRenewer to the hdfs.client.impl package Minor hdfs-client Tsz Wo Nicholas Sze Takanobu Asanuma
YARN-3006 Improve the error message when attempting manual failover with auto-failover enabled Minor . Akira Ajisaka Akira Ajisaka
HDFS-8249 Separate HdfsConstants into the client and the server side class Major hdfs-client Haohui Mai Haohui Mai
HDFS-8309 Skip unit test using DataNodeTestUtils#injectDataDirFailure() on Windows Minor test Xiaoyu Yao Xiaoyu Yao
HDFS-8237 Move all protocol classes used by ClientProtocol to hdfs-client Major build Haohui Mai Haohui Mai
HDFS-8314 Move HdfsServerConstants#IO_FILE_BUFFER_SIZE and SMALL_BUFFER_SIZE to the users Major . Haohui Mai Li Lu
HDFS-8310 Fix TestCLI.testAll ‘help: help for find’ on Windows Minor test Xiaoyu Yao Kiran Kumar M R
YARN-3301 Fix the format issue of the new RM web UI and AHS web UI after YARN-3272 / YARN-3262 Major resourcemanager Xuan Gong Xuan Gong
YARN-3448 Add Rolling Time To Lives Level DB Plugin Capabilities Major timelineserver Jonathan Eagles Jonathan Eagles
YARN-2918 Don’t fail RM if queue’s configured labels are not existed in cluster-node-labels Major resourcemanager Rohith Sharma K S Wangda Tan
YARN-644 Basic null check is not performed on passed in arguments before using them in ContainerManagerImpl.startContainer Minor nodemanager Omkar Vinit Joshi Varun Saxena
YARN-3593 Add label-type and Improve “DEFAULT_PARTITION” in Node Labels Page Major webapp Naganarasimha G R Naganarasimha G R
YARN-2331 Distinguish shutdown during supervision vs. shutdown for rolling upgrade Major nodemanager Jason Lowe Jason Lowe
YARN-3579 CommonNodeLabelsManager should support NodeLabel instead of string label name when getting node-to-label/label-to-label mappings Minor resourcemanager Sunil G Sunil G
YARN-3505 Node’s Log Aggregation Report with SUCCEED should not cached in RMApps Critical log-aggregation Junping Du Xuan Gong
HDFS-8403 Eliminate retries in TestFileCreation#testOverwriteOpenForWrite Major test Arpit Agarwal Arpit Agarwal
HDFS-8157 Writes to RAM DISK reserve locked memory for block files Major datanode Arpit Agarwal Arpit Agarwal
YARN-3541 Add version info on timeline service / generic history web UI and REST API Major timelineserver Zhijie Shen Zhijie Shen
YARN-3565 NodeHeartbeatRequest/RegisterNodeManagerRequest should use NodeLabel object instead of String Blocker api, client, resourcemanager Wangda Tan Naganarasimha G R
YARN-3583 Support of NodeLabel object instead of plain String in YarnClient side. Major client Sunil G Sunil G
YARN-3609 Move load labels from storage from serviceInit to serviceStart to make it works with RM HA case. Major resourcemanager Wangda Tan Wangda Tan
YARN-3684 Change ContainerExecutor’s primary lifecycle methods to use a more extensible mechanism for passing information. Major yarn Sidharta Seethana Sidharta Seethana
HDFS-8454 Remove unnecessary throttling in TestDatanodeDeath Major test Arpit Agarwal Arpit Agarwal
YARN-3632 Ordering policy should be allowed to reorder an application when demand changes Major capacityscheduler Craig Welch Craig Welch
YARN-3686 CapacityScheduler should trim default_node_label_expression Critical api, client, resourcemanager Wangda Tan Sunil G
YARN-3647 RMWebServices api’s should use updated api from CommonNodeLabelsManager to get NodeLabel object Major resourcemanager Sunil G Sunil G
YARN-3581 Deprecate -directlyAccessNodeLabelStore in RMAdminCLI Major api, client, resourcemanager Wangda Tan Naganarasimha G R
HDFS-8482 Rename BlockInfoContiguous to BlockInfo Major . Zhe Zhang Zhe Zhang
YARN-3700 ATS Web Performance issue at load time when large number of jobs Major resourcemanager, webapp, yarn Xuan Gong Xuan Gong
YARN-3716 Node-label-expression should be included by ResourceRequestPBImpl.toString Minor api Xianyin Xin Xianyin Xin
YARN-3740 Fixed the typo with the configuration name: APPLICATION_HISTORY_PREFIX_MAX_APPS Major resourcemanager, webapp, yarn Xuan Gong Xuan Gong
YARN-2900 Application (Attempt and Container) Not Found in AHS results in Internal Server Error (500) Major timelineserver Jonathan Eagles Mit Desai
HDFS-8489 Subclass BlockInfo to represent contiguous blocks Major namenode Zhe Zhang Zhe Zhang
YARN-2392 add more diags about app retry limits on AM failures Minor resourcemanager Steve Loughran Steve Loughran
YARN-3766 ATS Web UI breaks because of YARN-3467 Blocker resourcemanager, webapp, yarn Xuan Gong Xuan Gong
YARN-1462 AHS API and other AHS changes to handle tags for completed MR jobs Major . Karthik Kambatla Xuan Gong
YARN-3787 loading applications by filtering appstartedTime period for ATS Web UI Major resourcemanager, webapp, yarn Xuan Gong Xuan Gong
HDFS-7923 The DataNodes should rate-limit their full block reports by asking the NN on heartbeat messages Major . Colin P. McCabe Colin P. McCabe
HDFS-8540 Mover should exit with NO_MOVE_BLOCK if no block can be moved Major balancer & mover Tsz Wo Nicholas Sze Surendra Singh Lilhore
YARN-3711 Documentation of ResourceManager HA should explain configurations about listen addresses Minor documentation Masatake Iwasaki Masatake Iwasaki
HDFS-8597 Fix TestFSImage#testZeroBlockSize on Windows Major datanode, test Xiaoyu Yao Xiaoyu Yao
HDFS-7164 Feature documentation for HDFS-6581 Major documentation Arpit Agarwal Arpit Agarwal
HDFS-8238 Move ClientProtocol to the hdfs-client Major build Haohui Mai Takanobu Asanuma
HDFS-6249 Output AclEntry in PBImageXmlWriter Minor tools Akira Ajisaka Surendra Singh Lilhore
YARN-3521 Support return structured NodeLabel objects in REST API Major api, client, resourcemanager Wangda Tan Sunil G
HDFS-8192 Eviction should key off used locked memory instead of ram disk free space Major datanode Arpit Agarwal Arpit Agarwal
HDFS-8651 Make hadoop-hdfs-project Native code -Wall-clean Major native Alan Burlison Alan Burlison
HADOOP-12036 Consolidate all of the cmake extensions in one directory Major . Allen Wittenauer Alan Burlison
HDFS-7390 Provide JMX metrics per storage type Major . Benoy Antony Benoy Antony
HADOOP-12104 Migrate Hadoop Pipes native build to new CMake framework Major build Alan Burlison Alan Burlison
HADOOP-12112 Make hadoop-common-project Native code -Wall-clean Major native Alan Burlison Alan Burlison
HDFS-8493 Consolidate truncate() related implementation in a single class Major . Haohui Mai Rakesh R
HDFS-8635 Migrate HDFS native build to new CMake framework Major build Alan Burlison Alan Burlison
YARN-3827 Migrate YARN native build to new CMake framework Major build Alan Burlison Alan Burlison
MAPREDUCE-6376 Add avro binary support for jhist files Major jobhistoryserver Ray Chiang Ray Chiang
HDFS-8620 Clean up the checkstyle warinings about ClientProtocol Major . Takanobu Asanuma Takanobu Asanuma
HDFS-8726 Move protobuf files that define the client-sever protocols to hdfs-client Major build Haohui Mai Haohui Mai
YARN-1012 Report NM aggregated container resource utilization in heartbeat Major nodemanager Arun C Murthy Íñigo Goiri
YARN-3800 Reduce storage footprint for ReservationAllocation Major capacityscheduler, fairscheduler, resourcemanager Anubhav Dhoot Anubhav Dhoot
YARN-3445 Cache runningApps in RMNode for getting running apps on given NodeId Major nodemanager, resourcemanager Junping Du Junping Du
YARN-3116 [Collector wireup] We need an assured way to determine if a container is an AM container on NM Major nodemanager, timelineserver Zhijie Shen Giovanni Matteo Fumarola
HDFS-8541 Mover should exit with NO_MOVE_PROGRESS if there is no move progress Minor balancer & mover Tsz Wo Nicholas Sze Surendra Singh Lilhore
HDFS-8742 Inotify: Support event for OP_TRUNCATE Major namenode Surendra Singh Lilhore Surendra Singh Lilhore
YARN-1449 AM-NM protocol changes to support container resizing Major api Wangda Tan (No longer used) MENG DING
HADOOP-11974 Fix FIONREAD #include on Solaris Minor net Alan Burlison Alan Burlison
YARN-3930 FileSystemNodeLabelsStore should make sure edit log file closed when exception is thrown Major api, client, resourcemanager Dian Fu Dian Fu
YARN-3844 Make hadoop-yarn-project Native code -Wall-clean Major build Alan Burlison Alan Burlison
HDFS-8794 Improve CorruptReplicasMap#corruptReplicasMap Major . Yi Liu Yi Liu
HDFS-7483 Display information per tier on the Namenode UI Major . Benoy Antony Benoy Antony
YARN-2003 Support for Application priority : Changes in RM and Capacity Scheduler Major resourcemanager Sunil G Sunil G
HDFS-8721 Add a metric for number of encryption zones Major encryption Rakesh R Rakesh R
YARN-1645 ContainerManager implementation to support container resizing Major nodemanager Wangda Tan MENG DING
HDFS-8495 Consolidate append() related implementation into a single class Major namenode Rakesh R Rakesh R
HDFS-8795 Improve InvalidateBlocks#node2blocks Major . Yi Liu Yi Liu
HADOOP-12184 Remove unused Linux-specific constants in NativeIO Major native Martin Walsh Martin Walsh
HDFS-8730 Clean up the import statements in ClientProtocol Minor . Takanobu Asanuma Takanobu Asanuma
YARN-3969 Allow jobs to be submitted to reservation that is active but does not have any allocations Major capacityscheduler, fairscheduler, resourcemanager Subru Krishnan Subru Krishnan
HADOOP-12170 hadoop-common’s JNIFlags.cmake is redundant and can be removed Minor native Alan Burlison Alan Burlison
YARN-3656 LowCost: A Cost-Based Placement Agent for YARN Reservations Major capacityscheduler, resourcemanager Ishai Menache Jonathan Yaniv
YARN-3852 Add docker container support to container-executor Major yarn Sidharta Seethana Abin Shahab
YARN-3853 Add docker container runtime support to LinuxContainterExecutor Major yarn Sidharta Seethana Sidharta Seethana
YARN-3867 ContainerImpl changes to support container resizing Major nodemanager MENG DING MENG DING
HDFS-7192 DN should ignore lazyPersist hint if the writer is not local Major datanode Arpit Agarwal Arpit Agarwal
YARN-433 When RM is catching up with node updates then it should not expire acquired containers Major resourcemanager Bikas Saha Xuan Gong
MAPREDUCE-6394 Speed up Task processing loop in HsTasksBlock#render() Major jobhistoryserver Ray Chiang Ray Chiang
HADOOP-7824 NativeIO.java flags and identifiers must be set correctly for each platform, not hardcoded to their Linux values Major native Dmytro Shteflyuk Martin Walsh
YARN-3543 ApplicationReport should be able to tell whether the Application is AM managed or not. Major api Spandan Dutta Rohith Sharma K S
YARN-4004 container-executor should print output of docker logs if the docker container exits with non-0 exit status Major nodemanager Varun Vasudev Varun Vasudev
YARN-3736 Add RMStateStore apis to store and load accepted reservations for failover Major capacityscheduler, fairscheduler, resourcemanager Subru Krishnan Anubhav Dhoot
YARN-1643 Make ContainersMonitor can support change monitoring size of an allocated container in NM side Major nodemanager Wangda Tan MENG DING
YARN-3974 Refactor the reservation system test cases to use parameterized base test Major capacityscheduler, fairscheduler Subru Krishnan Subru Krishnan
YARN-3948 Display Application Priority in RM Web UI Major webapp Sunil G Sunil G
YARN-3873 pendingApplications in LeafQueue should also use OrderingPolicy Major capacityscheduler Sunil G Sunil G
YARN-3887 Support for changing Application priority during runtime Major capacityscheduler, resourcemanager Sunil G Sunil G
HDFS-8805 Archival Storage: getStoragePolicy should not need superuser privilege Major balancer & mover, namenode Hui Zheng Brahma Reddy Battula
HDFS-8052 Move WebHdfsFileSystem into hadoop-hdfs-client Major build Haohui Mai Haohui Mai
YARN-4023 Publish Application Priority to TimelineServer Major timelineserver Sunil G Sunil G
HDFS-8824 Do not use small blocks for balancing the cluster Major balancer & mover Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-3534 Collect memory/cpu usage on the node Major nodemanager, resourcemanager Íñigo Goiri Íñigo Goiri
HDFS-8801 Convert BlockInfoUnderConstruction as a feature Major namenode Zhe Zhang Jing Zhao
HDFS-8792 BlockManager#postponedMisreplicatedBlocks should use a LightWeightHashSet to save memory Major . Yi Liu Yi Liu
HDFS-8862 BlockManager#excessReplicateMap should use a HashMap Major namenode Yi Liu Yi Liu
HDFS-8278 HDFS Balancer should consider remaining storage % when checking for under-utilized machines Major balancer & mover Gopal V Tsz Wo Nicholas Sze
HDFS-8826 Balancer may not move blocks efficiently in some cases Major balancer & mover Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-8803 Move DfsClientConf to hdfs-client Major build Haohui Mai Mingliang Liu
YARN-2923 Support configuration based NodeLabelsProvider Service in Distributed Node Label Configuration Setup Major nodemanager Naganarasimha G R Naganarasimha G R
YARN-1644 RM-NM protocol changes and NodeStatusUpdater implementation to support container resizing Major nodemanager Wangda Tan MENG DING
YARN-3868 ContainerManager recovery for container resizing Major nodemanager MENG DING MENG DING
HDFS-8823 Move replication factor into individual blocks Major . Haohui Mai Haohui Mai
YARN-221 NM should provide a way for AM to tell it not to aggregate logs. Major log-aggregation, nodemanager Robert Joseph Evans Ming Ma
HDFS-8934 Move ShortCircuitShm to hdfs-client Major build Mingliang Liu Mingliang Liu
HDFS-8948 Use GenericTestUtils to set log levels in TestPread and TestReplaceDatanodeOnFailure Major build Mingliang Liu Mingliang Liu
YARN-4014 Support user cli interface in for Application Priority Major client, resourcemanager Rohith Sharma K S Rohith Sharma K S
HDFS-8951 Move the shortcircuit package to hdfs-client Major build Mingliang Liu Mingliang Liu
HDFS-8248 Store INodeId instead of the INodeFile object in BlockInfoContiguous Major . Haohui Mai Haohui Mai
HDFS-8962 Clean up checkstyle warnings in o.a.h.hdfs.DfsClientConf Major build Mingliang Liu Mingliang Liu
YARN-3250 Support admin cli interface in for Application Priority Major resourcemanager Sunil G Rohith Sharma K S
HDFS-8925 Move BlockReaderLocal to hdfs-client Major build Mingliang Liu Mingliang Liu
HDFS-8980 Remove unnecessary block replacement in INodeFile Major namenode Jing Zhao Jing Zhao
HDFS-8990 Move RemoteBlockReader to hdfs-client module Major build Mingliang Liu Mingliang Liu
YARN-4092 RM HA UI redirection needs to be fixed when both RMs are in standby mode Major resourcemanager Xuan Gong Xuan Gong
YARN-4082 Container shouldn’t be killed when node’s label updated. Major capacity scheduler Wangda Tan Wangda Tan
YARN-2801 Add documentation for node labels feature Major documentation Gururaj Shetty Wangda Tan
YARN-3893 Both RM in active state when Admin#transitionToActive failure from refeshAll() Critical resourcemanager Bibin A Chundatt Bibin A Chundatt
HDFS-8890 Allow admin to specify which blockpools the balancer should run on Major balancer & mover Chris Trezzo Chris Trezzo
YARN-4101 RM should print alert messages if Zookeeper and Resourcemanager gets connection issue Critical yarn Yesha Vora Xuan Gong
YARN-3970 REST api support for Application Priority Major webapp Sunil G Naganarasimha G R
HDFS-9002 Move o.a.h.hdfs.net/*Peer classes to hdfs-client Major build Mingliang Liu Mingliang Liu
HDFS-9012 Move o.a.h.hdfs.protocol.datatransfer.PipelineAck class to hadoop-hdfs-client module Major build Mingliang Liu Mingliang Liu
HDFS-8984 Move replication queues related methods in FSNamesystem to BlockManager Major . Haohui Mai Haohui Mai
YARN-2884 Proxying all AM-RM communications Major nodemanager, resourcemanager Carlo Curino Kishore Chaliparambil
YARN-4136 LinuxContainerExecutor loses info when forwarding ResourceHandlerException Trivial nodemanager Steve Loughran Bibin A Chundatt
HDFS-9041 Move entries in META-INF/services/o.a.h.fs.FileSystem to hdfs-client Major build Haohui Mai Mingliang Liu
HDFS-9010 Replace NameNode.DEFAULT_PORT with HdfsClientConfigKeys.DFS_NAMENODE_RPC_PORT_DEFAULT config key Major build Mingliang Liu Mingliang Liu
YARN-1651 CapacityScheduler side changes to support increase/decrease container resource. Major resourcemanager, scheduler Wangda Tan Wangda Tan
YARN-313 Add Admin API for supporting node resource configuration in command line Critical client, graceful Junping Du Íñigo Goiri
HDFS-9008 Balancer#Parameters class could use a builder pattern Minor balancer & mover Chris Trezzo Chris Trezzo
YARN-3635 Get-queue-mapping should be a common interface of YarnScheduler Major scheduler Wangda Tan Tan, Wangda
YARN-3717 Expose app/am/queue’s node-label-expression to RM web UI / CLI / REST-API Major . Naganarasimha G R Naganarasimha G R
HDFS-7986 Allow files / directories to be deleted from the NameNode UI Major ui Ravi Prakash Ravi Prakash
HDFS-7995 Implement chmod in the HDFS Web UI Major ui Ravi Prakash Ravi Prakash
YARN-4034 Render cluster Max Priority in scheduler metrics in RM web UI Minor resourcemanager, webapp Rohith Sharma K S Rohith Sharma K S
HDFS-9022 Move NameNode.getAddress() and NameNode.getUri() to hadoop-hdfs-client Major hdfs-client Mingliang Liu Mingliang Liu
YARN-4171 Resolve findbugs/javac warnings in YARN-1197 branch Major api, nodemanager, resourcemanager Wangda Tan Wangda Tan
YARN-3212 RMNode State Transition Update with DECOMMISSIONING state Major graceful, resourcemanager Junping Du Junping Du
HDFS-9101 Remove deprecated NameNode.getUri() static helper method Major . Mingliang Liu Mingliang Liu
HDFS-9004 Add upgrade domain to DatanodeInfo Major . Ming Ma Ming Ma
HDFS-9111 Move hdfs-client protobuf convert methods from PBHelper to PBHelperClient Major . Mingliang Liu Mingliang Liu
HDFS-9039 Separate client and server side methods of o.a.h.hdfs.NameNodeProxies Major . Mingliang Liu Mingliang Liu
HDFS-8733 Keep server related definition in hdfs.proto on server side Major . Yi Liu Mingliang Liu
HDFS-9131 Move config keys used by hdfs-client to HdfsClientConfigKeys Major . Mingliang Liu Mingliang Liu
HDFS-7529 Consolidate encryption zone related implementation into a single class Major . Haohui Mai Rakesh R
HDFS-9134 Move LEASE_{SOFTLIMIT,HARDLIMIT}_PERIOD constants from HdfsServerConstants to HdfsConstants Major . Mingliang Liu Mingliang Liu
HADOOP-11918 Listing an empty s3a root directory throws FileNotFound. Minor fs/s3 Lei (Eddy) Xu Lei (Eddy) Xu
HDFS-8053 Move DFSIn/OutputStream and related classes to hadoop-hdfs-client Major build Haohui Mai Mingliang Liu
HDFS-8740 Move DistributedFileSystem to hadoop-hdfs-client Major build Yi Liu Mingliang Liu
YARN-4141 Runtime Application Priority change should not throw exception for applications at finishing states Major resourcemanager Sunil G Sunil G
HDFS-9165 Move entries in META-INF/services/o.a.h.fs.FileSystem to hdfs-client Major build Haohui Mai Mingliang Liu
HDFS-9166 Move hftp / hsftp filesystem to hfds-client Major build Haohui Mai Mingliang Liu
HDFS-8971 Remove guards when calling LOG.debug() and LOG.trace() in client package Major build Mingliang Liu Mingliang Liu
HDFS-9015 Refactor TestReplicationPolicy to test different block placement policies Major . Ming Ma Ming Ma
YARN-1897 CLI and core support for signal container functionality Major api Ming Ma Ming Ma
HDFS-9158 [OEV-Doc] : Document does not mention about “-f” and “-r” options Major . nijel nijel
HDFS-9155 OEV should treat .XML files as XML even when the file name extension is uppercase Major . nijel nijel
YARN-4215 RMNodeLabels Manager Need to verify and replace node labels for the only modified Node Label Mappings in the request Major resourcemanager Naganarasimha G R Naganarasimha G R
HDFS-9170 Move libhdfs / fuse-dfs / libwebhdfs to hdfs-client Major . Haohui Mai Haohui Mai
HDFS-9159 [OIV] : return value of the command is not correct if invalid value specified in “-p (processor)” option Major . nijel nijel
YARN-3964 Support NodeLabelsProvider at Resource Manager side Major . Dian Fu Dian Fu
YARN-4230 Increasing container resource while there is no headroom left will cause ResourceManager to crash Critical resourcemanager MENG DING MENG DING
HDFS-9006 Provide BlockPlacementPolicy that supports upgrade domain Major . Ming Ma Ming Ma
HDFS-9160 [OIV-Doc] : Missing details of “delimited” for processor options Major . nijel nijel
HDFS-9167 Update pom.xml in other modules to depend on hdfs-client instead of hdfs Major build Haohui Mai Mingliang Liu
YARN-4255 container-executor does not clean up docker operation command files. Minor . Sidharta Seethana Sidharta Seethana
HDFS-9223 Code cleanup for DatanodeDescriptor and HeartbeatManager Minor namenode Jing Zhao Jing Zhao
YARN-4258 Add support for controlling capabilities for docker containers Major yarn Sidharta Seethana Sidharta Seethana
HDFS-9157 [OEV and OIV] : Unnecessary parsing for mandatory arguements if “-h” option is specified as the only option Major . nijel nijel
HADOOP-12475 Replace guava Cache with ConcurrentHashMap for caching Connection in ipc Client Major conf, io, ipc Walter Su Walter Su
YARN-4162 CapacityScheduler: Add resource usage by partition and queue capacity by partition to REST API Major api, client, resourcemanager Naganarasimha G R Naganarasimha G R
YARN-4170 AM need to be notified with priority in AllocateResponse Major resourcemanager Sunil G Sunil G
YARN-2556 Tool to measure the performance of the timeline server Major timelineserver Jonathan Eagles Chang Li
YARN-4262 Allow whitelisted users to run privileged docker containers. Major yarn Sidharta Seethana Sidharta Seethana
YARN-4267 Add additional logging to container launch implementations in container-executor Major yarn Sidharta Seethana Sidharta Seethana
YARN-3985 Make ReservationSystem persist state using RMStateStore reservation APIs Major resourcemanager Anubhav Dhoot Anubhav Dhoot
YARN-2513 Host framework UIs in YARN for use with the ATS Major timelineserver Jonathan Eagles Jonathan Eagles
YARN-3739 Add reservation system recovery to RM recovery process Major capacityscheduler, fairscheduler, resourcemanager Subru Krishnan Subru Krishnan
YARN-4243 Add retry on establishing Zookeeper conenction in EmbeddedElectorService#serviceInit Major resourcemanager Xuan Gong Xuan Gong
YARN-3738 Add support for recovery of reserved apps running under dynamic queues Major capacityscheduler, resourcemanager Subru Krishnan Subru Krishnan
YARN-3724 Use POSIX nftw(3) instead of fts(3) Major . Malcolm Kavalsky Alan Burlison
YARN-2729 Support script based NodeLabelsProvider Interface in Distributed Node Label Configuration Setup Major nodemanager Naganarasimha G R Naganarasimha G R
HDFS-9304 Add HdfsClientConfigKeys class to TestHdfsConfigFields#configurationClasses Major build Mingliang Liu Mingliang Liu
YARN-3216 Max-AM-Resource-Percentage should respect node labels Critical resourcemanager Wangda Tan Sunil G
HADOOP-12457 [JDK8] Fix a failure of compiling common by javadoc Major . Tsuyoshi Ozawa Akira Ajisaka
HDFS-9168 Move client side unit test to hadoop-hdfs-client Major build Haohui Mai Haohui Mai
HDFS-9343 Empty caller context considered invalid Major . Mingliang Liu Mingliang Liu
HDFS-9362 TestAuditLogger#testAuditLoggerWithCallContext assumes Unix line endings, fails on Windows. Minor test Chris Nauroth Chris Nauroth
HDFS-9007 Fix HDFS Balancer to honor upgrade domain policy Major . Ming Ma Ming Ma
HDFS-9379 Make NNThroughputBenchmark$BlockReportStats support more than 10 datanodes Major test Mingliang Liu Mingliang Liu
YARN-1510 Make NMClient support change container resources Major nodemanager Wangda Tan (No longer used) MENG DING
YARN-4345 yarn rmadmin -updateNodeResource doesn’t work Critical graceful, resourcemanager Sushmitha Sreenivasan Junping Du
YARN-1509 Make AMRMClient support send increase container request and get increased/decreased containers Major resourcemanager Wangda Tan (No longer used) MENG DING
HDFS-9387 Fix namenodeUri parameter parsing in NNThroughputBenchmark Major test Mingliang Liu Mingliang Liu
HDFS-9421 NNThroughputBenchmark replication test NPE with -namenode option Major benchmarks Xiaoyu Yao Mingliang Liu
YARN-4184 Remove update reservation state api from state store as its not used by ReservationSystem Major capacityscheduler, fairscheduler, resourcemanager Anubhav Dhoot Sean Po
HADOOP-12582 Using BytesWritable’s getLength() and getBytes() instead of get() and getSize() Major . Tsuyoshi Ozawa Akira Ajisaka
YARN-3454 Add efficient merge operation to RLESparseResourceAllocation Major resourcemanager Carlo Curino Carlo Curino
HDFS-7796 Include X-editable for slick contenteditable fields in the web UI Major ui Ravi Prakash Ravi Prakash
YARN-3980 Plumb resource-utilization info in node heartbeat through to the scheduler Major resourcemanager, scheduler Karthik Kambatla Íñigo Goiri
HADOOP-11954 Solaris does not support RLIMIT_MEMLOCK as in Linux Major . Malcolm Kavalsky Alan Burlison
YARN-4384 updateNodeResource CLI should not accept negative values for resource Major graceful, resourcemanager Sushmitha Sreenivasan Junping Du
HDFS-9438 TestPipelinesFailover assumes Linux ifconfig Minor test Alan Burlison John Zhuge
YARN-4292 ResourceUtilization should be a part of NodeInfo REST API Major . Wangda Tan Sunil G
HDFS-9436 Make NNThroughputBenchmark$BlockReportStats run with 10 datanodes by default Minor test Mingliang Liu Mingliang Liu
HDFS-9484 NNThroughputBenchmark$BlockReportStats should not send empty block reports Major test Mingliang Liu Mingliang Liu
YARN-4405 Support node label store in non-appendable file system Major api, client, resourcemanager Wangda Tan Wangda Tan
HDFS-9214 Support reconfiguring dfs.datanode.balance.max.concurrent.moves without DN restart Major datanode Xiaobing Zhou Xiaobing Zhou
YARN-4248 REST API for submit/update/delete Reservations Major resourcemanager Carlo Curino Carlo Curino
YARN-4358 Improve relationship between SharingPolicy and ReservationAgent Major capacityscheduler, fairscheduler, resourcemanager Carlo Curino Carlo Curino
YARN-3946 Update exact reason as to why a submitted app is in ACCEPTED state to app’s diagnostic message Major capacity scheduler, resourcemanager Sumit Nigam Naganarasimha G R
YARN-4309 Add container launch related debug information to container logs when a container fails Major nodemanager Varun Vasudev Varun Vasudev
YARN-4293 ResourceUtilization should be a part of yarn node CLI Major . Wangda Tan Sunil G
YARN-4416 Deadlock due to synchronised get Methods in AbstractCSQueue Minor capacity scheduler, resourcemanager Naganarasimha G R Naganarasimha G R
YARN-3226 UI changes for decommissioning node Major graceful Junping Du Sunil G
YARN-4164 Retrospect update ApplicationPriority API return type Major resourcemanager Rohith Sharma K S Rohith Sharma K S
YARN-4234 New put APIs in TimelineClient for ats v1.5 Major timelineserver Xuan Gong Xuan Gong
YARN-4098 Document ApplicationPriority feature Major resourcemanager Rohith Sharma K S Rohith Sharma K S
HDFS-7779 Support changing ownership, group and replication in HDFS Web UI Major ui Ravi Prakash Ravi Prakash
YARN-2902 Killing a container that is localizing can orphan resources in the DOWNLOADING state Major nodemanager Jason Lowe Varun Saxena
YARN-4393 TestResourceLocalizationService#testFailedDirsResourceRelease fails intermittently Major test Varun Saxena Varun Saxena
YARN-4479 Retrospect app-priority in pendingOrderingPolicy during recovering applications Major api, resourcemanager Rohith Sharma K S Rohith Sharma K S
HDFS-9621 getListing wrongly associates Erasure Coding policy to pre-existing replicated files under an EC directory Critical erasure-coding Sushmitha Sreenivasan Jing Zhao
YARN-4537 Pull out priority comparison from fifocomparator and use compound comparator for FifoOrdering policy Major capacity scheduler Rohith Sharma K S Rohith Sharma K S
HADOOP-11262 Enable YARN to use S3A Major fs/s3 Thomas Demoor Pieter Reuse
YARN-4265 Provide new timeline plugin storage to support fine-grained entity caching Major timelineserver Li Lu Li Lu
YARN-4304 AM max resource configuration per partition to be displayed/updated correctly in UI and in various partition related metrics Major webapp Sunil G Sunil G
YARN-4557 Fix improper Queues sorting in PartitionedQueueComparator when accessible-node-labels=* Major resourcemanager Naganarasimha G R Naganarasimha G R
HDFS-9601 NNThroughputBenchmark.BlockReportStats should handle NotReplicatedYetException on adding block Major test Masatake Iwasaki Masatake Iwasaki
YARN-4614 TestApplicationPriority#testApplicationPriorityAllocationWithChangeInPriority fails occasionally Major test Jason Lowe Sunil G
HDFS-9672 o.a.h.hdfs.TestLeaseRecovery2 fails intermittently Major test Mingliang Liu Mingliang Liu
YARN-4573 TestRMAppTransitions.testAppRunningKill and testAppKilledKilled fail on trunk Major resourcemanager, test Takashi Ohnishi Takashi Ohnishi
YARN-4643 Container recovery is broken with delegating container runtime Critical yarn Sidharta Seethana Sidharta Seethana
YARN-4219 New levelDB cache storage for timeline v1.5 Major . Li Lu Li Lu
YARN-4543 TestNodeStatusUpdater.testStopReentrant fails + JUnit misusage Minor nodemanager Akihiro Suda Akihiro Suda
YARN-4340 Add “list” API to reservation system Major capacityscheduler, fairscheduler, resourcemanager Carlo Curino Sean Po
YARN-4100 Add Documentation for Distributed and Delegated-Centralized Node Labels feature Major api, client, resourcemanager Naganarasimha G R Naganarasimha G R
HDFS-9503 Replace -namenode option with -fs for NNThroughputBenchmark Major test Konstantin Shvachko Mingliang Liu
HADOOP-12292 Make use of DeleteObjects optional Major fs/s3 Thomas Demoor Thomas Demoor
YARN-4667 RM Admin CLI for refreshNodesResources throws NPE when nothing is configured Critical client Naganarasimha G R Naganarasimha G R
HADOOP-12752 Improve diagnostics/use of envvar/sysprop credential propagation Minor security Steve Loughran Steve Loughran
YARN-4138 Roll back container resource allocation after resource increase token expires Major api, nodemanager, resourcemanager MENG DING MENG DING
YARN-2575 Create separate ACLs for Reservation create/update/delete/list ops Major capacityscheduler, fairscheduler, resourcemanager Subru Krishnan Sean Po
HADOOP-11613 Remove commons-httpclient dependency from hadoop-azure Major . Akira Ajisaka Masatake Iwasaki
HDFS-9084 Pagination, sorting and filtering of files/directories in the HDFS Web UI Major ui Ravi Prakash Ravi Prakash
YARN-3223 Resource update during NM graceful decommission Major graceful, nodemanager, resourcemanager Junping Du Brook Zhou
YARN-4680 TimerTasks leak in ATS V1.5 Writer Major timelineserver Xuan Gong Xuan Gong
HADOOP-12711 Remove dependency on commons-httpclient for ServletUtil Major . Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4566 TestMiniYarnClusterNodeUtilization sometimes fails on trunk Major test Takashi Ohnishi Takashi Ohnishi
HADOOP-12813 Migrate TestRPC and related codes to rebase on ProtobufRpcEngine Major . Kai Zheng Kai Zheng
YARN-4749 Generalize config file handling in container-executor Major nodemanager Sidharta Seethana Sidharta Seethana
YARN-4696 Improving EntityGroupFSTimelineStore on exception handling, test setup, and concurrency Major timelineserver Steve Loughran Steve Loughran
MAPREDUCE-6520 Migrate MR Client test cases part 1 Trivial test Dustin Cote Dustin Cote
YARN-4545 Allow YARN distributed shell to use ATS v1.5 APIs Major timelineserver Li Lu Li Lu
YARN-4817 Change Log Level to DEBUG for putDomain call in ATS 1.5 Trivial timelineserver Xuan Gong Xuan Gong
YARN-4108 CapacityScheduler: Improve preemption to only kill containers that would satisfy the incoming request Major capacity scheduler Wangda Tan Wangda Tan
HADOOP-12819 Migrate TestSaslRPC and related codes to rebase on ProtobufRpcEngine Major . Kai Zheng Kai Zheng
YARN-4815 ATS 1.5 timelineclient impl try to create attempt directory for every event call Major timelineserver Xuan Gong Xuan Gong
YARN-4814 ATS 1.5 timelineclient impl call flush after every event write Major timelineserver Xuan Gong Xuan Gong
YARN-998 Keep NM resource updated through dynamic resource config for RM/NM restart Major graceful, nodemanager, scheduler Junping Du Junping Du
MAPREDUCE-6543 Migrate MR Client test cases part 2 Trivial test Dustin Cote Dustin Cote
YARN-4822 Refactor existing Preemption Policy of CS for easier adding new approach to select preemption candidates Major . Wangda Tan Wangda Tan
YARN-4634 Scheduler UI/Metrics need to consider cases like non-queue label mappings Major . Sunil G Sunil G
HADOOP-12169 ListStatus on empty dir in S3A lists itself instead of returning an empty list Major fs/s3 Pieter Reuse Pieter Reuse
HDFS-10186 DirectoryScanner: Improve logs by adding full path of both actual and expected block directories Minor datanode Rakesh R Rakesh R
YARN-4826 Document configuration of ReservationSystem for CapacityScheduler Minor capacity scheduler Subru Krishnan Subru Krishnan
HADOOP-12444 Support lazy seek in S3AInputStream Major fs/s3 Rajesh Balamohan Rajesh Balamohan
YARN-4928 Some yarn.server.timeline.* tests fail on Windows attempting to use a test root path containing a colon Minor test Gergely Novák Gergely Novák
YARN-4168 Test TestLogAggregationService.testLocalFileDeletionOnDiskFull failing Critical test Steve Loughran Takashi Ohnishi
HADOOP-12973 make DU pluggable Major . Elliott Clark Elliott Clark
YARN-4886 Add HDFS caller context for EntityGroupFSTimelineStore Major timelineserver Li Lu Li Lu
HDFS-10281 o.a.h.hdfs.server.namenode.ha.TestPendingCorruptDnMessages fails intermittently Major test Mingliang Liu Mingliang Liu
YARN-4909 Fix intermittent failures of TestRMWebServices And TestRMWithCSRFFilter Blocker . Brahma Reddy Battula Bibin A Chundatt
YARN-4468 Document the general ReservationSystem functionality, and the REST API Major capacityscheduler, fairscheduler, resourcemanager Carlo Curino Carlo Curino
HADOOP-13011 Clearly Document the Password Details for Keystore-based Credential Providers Major documentation Larry McCay Larry McCay
YARN-3215 Respect labels in CapacityScheduler when computing headroom Major capacityscheduler Wangda Tan Naganarasimha G R
HDFS-10224 Implement asynchronous rename for DistributedFileSystem Major fs, hdfs-client Xiaobing Zhou Xiaobing Zhou
YARN-4956 findbug issue on LevelDBCacheTimelineStore Major timelineserver Xuan Gong Zhiyuan Yang
YARN-4851 Metric improvements for ATS v1.5 storage components Major timelineserver Li Lu Li Lu
HADOOP-12749 Create a threadpoolexecutor that overrides afterExecute to log uncaught exceptions/errors Major . Sidharta Seethana Sidharta Seethana
HDFS-10346 Implement asynchronous setPermission/setOwner for DistributedFileSystem Major hdfs, hdfs-client Xiaobing Zhou Xiaobing Zhou
HADOOP-13122 Customize User-Agent header sent in HTTP requests by S3A. Minor fs/s3 Chris Nauroth Chris Nauroth
HADOOP-12844 Recover when S3A fails on IOException in read() Major fs/s3 Pieter Reuse Pieter Reuse
HADOOP-13028 add low level counter metrics for S3A; use in read performance tests Major fs/s3, metrics Steve Loughran Steve Loughran
HADOOP-13113 Enable parallel test execution for hadoop-aws. Minor test Chris Nauroth Chris Nauroth
HADOOP-13158 S3AFileSystem#toString might throw NullPointerException due to null cannedACL. Minor fs/s3 Chris Nauroth Chris Nauroth
YARN-4832 NM side resource value should get updated if change applied in RM side Critical nodemanager, resourcemanager Junping Du Junping Du
HADOOP-13140 FileSystem#initialize must not attempt to create StorageStatistics objects with null or empty schemes Major fs Brahma Reddy Battula Mingliang Liu
HADOOP-13130 s3a failures can surface as RTEs, not IOEs Major fs/s3 Steve Loughran Steve Loughran
YARN-3362 Add node label usage in RM CapacityScheduler web UI Major capacityscheduler, resourcemanager, webapp Wangda Tan Naganarasimha G R
HDFS-10390 Implement asynchronous setAcl/getAclStatus for DistributedFileSystem Major fs Xiaobing Zhou Xiaobing Zhou
YARN-857 Localization failures should be available in container diagnostics Critical . Hitesh Shah Vinod Kumar Vavilapalli
HDFS-8057 Move BlockReader implementation to the client implementation package Major hdfs-client Tsz Wo Nicholas Sze Takanobu Asanuma
YARN-4957 Add getNewReservation in ApplicationClientProtocol Major applications, client, resourcemanager Subru Krishnan Sean Po
HDFS-10431 Refactor and speedup TestAsyncDFSRename Minor test Xiaobing Zhou Xiaobing Zhou
YARN-4987 Read cache concurrency issue between read and evict in EntityGroupFS timeline store Critical . Li Lu Li Lu
HDFS-10430 Reuse FileSystem#access in TestAsyncDFS Major hdfs Xiaobing Zhou Xiaobing Zhou
HADOOP-13162 Consider reducing number of getFileStatus calls in S3AFileSystem.mkdirs Minor fs/s3 Rajesh Balamohan Rajesh Balamohan
HADOOP-13131 Add tests to verify that S3A supports SSE-S3 encryption Minor fs/s3 Steve Loughran Steve Loughran
HADOOP-13171 Add StorageStatistics to S3A; instrument some more operations Minor fs/s3 Steve Loughran Steve Loughran
YARN-1815 Work preserving recovery of Unmanged AMs Critical resourcemanager Karthik Kambatla Subru Krishnan
YARN-5165 Fix NoOvercommitPolicy to take advantage of RLE representation of plan Major capacityscheduler, fairscheduler, resourcemanager Carlo Curino Carlo Curino
YARN-5185 StageAllocaterGreedyRLE: Fix NPE in corner case Major capacityscheduler, fairscheduler, resourcemanager Carlo Curino Carlo Curino
YARN-4525 Fix bug in RLESparseResourceAllocation.getRangeOverlapping(…) Major . Ishai Menache Ishai Menache
HADOOP-13237 s3a initialization against public bucket fails if caller lacks any credentials Minor fs/s3 Steve Loughran Chris Nauroth
YARN-5199 Close LogReader in in AHSWebServices#getStreamingOutput and FileInputStream in NMWebServices#getLogs Major . Xuan Gong Xuan Gong
YARN-3426 Add jdiff support to YARN Blocker . Li Lu Li Lu
YARN-1942 Deprecate toString/fromString methods from ConverterUtils and move them to records classes like ContainerId/ApplicationId, etc. Critical api Thomas Graves Wangda Tan
HADOOP-13241 document s3a better Minor documentation, fs/s3 Steve Loughran Steve Loughran
HADOOP-13284 FileSystemStorageStatistics must not attempt to read non-existent rack-aware read stats in branch-2.8 Major fs Mingliang Liu Mingliang Liu
HADOOP-12975 Add jitter to CachingGetSpaceUsed’s thread Major . Elliott Clark Elliott Clark
HADOOP-13280 FileSystemStorageStatistics#getLong(“readOps“) should return readOps + largeReadOps Major fs Mingliang Liu Mingliang Liu
HADOOP-13288 Guard null stats key in FileSystemStorageStatistics Major fs Mingliang Liu Mingliang Liu
HADOOP-13291 Probing stats in DFSOpsCountStatistics/S3AStorageStatistics should be correctly implemented Major fs Mingliang Liu Mingliang Liu
HDFS-10538 Remove AsyncDistributedFileSystem API Major hdfs-client Xiaobing Zhou Xiaobing Zhou
HADOOP-13203 S3A: Support fadvise “random” mode for high performance readPositioned() reads Major fs/s3 Rajesh Balamohan Rajesh Balamohan
HADOOP-12229 Fix inconsistent subsection titles in filesystem.md Minor documentation Masatake Iwasaki Masatake Iwasaki
HADOOP-12242 Add in-page TOC to filesystem specification pages Minor documentation Masatake Iwasaki Masatake Iwasaki
HADOOP-13305 Define common statistics names across schemes Major fs Mingliang Liu Mingliang Liu
HADOOP-13283 Support reset operation for new global storage statistics and per FS storage stats Major fs Mingliang Liu Mingliang Liu
YARN-5080 Cannot obtain logs using YARN CLI -am for either KILLED or RUNNING AM Critical yarn Sumana Sathish Xuan Gong
HADOOP-13366 Fix dead link in o.a.h.fs.CommonConfigurationKeysPublic javadoc Minor documentation Rakesh R Rakesh R
YARN-4484 Available Resource calculation for a queue is not correct when used with labels Major capacity scheduler Sunil G Sunil G
HADOOP-13368 DFSOpsCountStatistics$OpType#fromSymbol and s3a.Statistic#fromSymbol should be O(1) operation Major fs Mingliang Liu Mingliang Liu
HADOOP-13212 Provide an option to set the socket buffers in S3AFileSystem Minor fs/s3 Rajesh Balamohan Rajesh Balamohan
HDFS-10653 Optimize conversion from path string to components Major hdfs Daryn Sharp Daryn Sharp
HADOOP-13207 Specify FileSystem listStatus, listFiles and RemoteIterator Major documentation, fs Steve Loughran Steve Loughran
HADOOP-13188 S3A file-create should throw error rather than overwrite directories Minor fs/s3 Raymie Stata Steve Loughran
HDFS-10642 TestLazyPersistReplicaRecovery#testDnRestartWithSavedReplicas fails intermittently Major datanode, test Mingliang Liu Mingliang Liu
HDFS-10668 TestDataNodeMXBean#testDataNodeMXBeanBlockCount fails intermittently Major test Mingliang Liu Mingliang Liu
YARN-5434 Add -client|server argument for graceful decom Blocker graceful Robert Kanter Robert Kanter
HADOOP-13429 Dispose of unnecessary SASL servers Major ipc Daryn Sharp Daryn Sharp
HADOOP-13426 More efficiently build IPC responses Major . Daryn Sharp Daryn Sharp
HDFS-10656 Optimize conversion of byte arrays back to path string Major hdfs Daryn Sharp Daryn Sharp
HDFS-10674 Optimize creating a full path from an inode Major hdfs Daryn Sharp Daryn Sharp
YARN-5342 Improve non-exclusive node partition resource allocation in Capacity Scheduler Major . Wangda Tan Sunil G
HADOOP-13438 Optimize IPC server protobuf decoding Major . Daryn Sharp Daryn Sharp
HADOOP-13418 Fix javadoc warnings by JDK8 in hadoop-nfs package Major . Kai Sasaki Kai Sasaki
HDFS-10724 Document the caller context config keys Minor ipc, namenode Mingliang Liu Mingliang Liu
HDFS-10678 Documenting NNThroughputBenchmark tool Major benchmarks, test Mingliang Liu Mingliang Liu
HDFS-10641 TestBlockManager#testBlockReportQueueing fails intermittently Major namenode, test Mingliang Liu Daryn Sharp
HADOOP-13324 s3a tests don’t authenticate with S3 frankfurt (or other V4 auth only endpoints) Major fs/s3 Steve Loughran Steve Loughran
HADOOP-13208 S3A listFiles(recursive=true) to do a bulk listObjects instead of walking the pseudo-tree of directories Minor fs/s3 Steve Loughran Steve Loughran
HADOOP-13405 doc for “fs.s3a.acl.default” indicates incorrect values Minor fs/s3 Shen Yinjie Shen Yinjie
HDFS-10711 Optimize FSPermissionChecker group membership check Major hdfs Daryn Sharp Daryn Sharp
HADOOP-13252 Tune S3A provider plugin mechanism Minor fs/s3 Steve Loughran Steve Loughran
HADOOP-13446 Support running isolated unit tests separate from AWS integration tests. Major fs/s3 Chris Nauroth Chris Nauroth
HDFS-10762 Pass IIP for file status related methods Major hdfs Daryn Sharp Daryn Sharp
HDFS-10772 Reduce byte/string conversions for get listing Major hdfs Daryn Sharp Daryn Sharp
YARN-3940 Application moveToQueue should check NodeLabel permission Major resourcemanager Bibin A Chundatt Bibin A Chundatt
HDFS-10768 Optimize mkdir ops Major hdfs Daryn Sharp Daryn Sharp
HDFS-10655 Fix path related byte array conversion bugs Major hdfs Daryn Sharp Daryn Sharp
HDFS-10662 Optimize UTF8 string/byte conversions Major hdfs Daryn Sharp Daryn Sharp
HADOOP-13547 Optimize IPC client protobuf decoding Major . Daryn Sharp Daryn Sharp
HADOOP-13549 Eliminate intermediate buffer for server-side PB encoding Major ipc Daryn Sharp Daryn Sharp
HADOOP-13447 Refactor S3AFileSystem to support introduction of separate metadata repository and tests. Major fs/s3 Chris Nauroth Chris Nauroth
HADOOP-13541 explicitly declare the Joda time version S3A depends on Minor build, fs/s3 Steve Loughran Steve Loughran
YARN-5566 Client-side NM graceful decom is not triggered when jobs finish Major nodemanager Robert Kanter Robert Kanter
HADOOP-10940 RPC client does no bounds checking of responses Critical ipc Daryn Sharp Daryn Sharp
HADOOP-13540 improve section on troubleshooting s3a auth problems Minor documentation, fs/s3 Steve Loughran Steve Loughran
HDFS-10673 Optimize FSPermissionChecker’s internal path usage Major hdfs Daryn Sharp Daryn Sharp
HADOOP-13546 Override equals and hashCode to avoid connection leakage Major ipc Xiaobing Zhou Xiaobing Zhou
HDFS-10744 Internally optimize path component resolution Major hdfs Daryn Sharp Daryn Sharp
HDFS-10805 Reduce runtime for append test Minor test Gergely Novák Gergely Novák
HADOOP-13544 JDiff reports unncessarily show unannotated APIs and cause confusion while our javadocs only show annotated and public APIs Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
HDFS-10779 Rename does not need to re-solve destination Major hdfs Daryn Sharp Daryn Sharp
HDFS-10892 Add unit tests for HDFS command ‘dfs -tail’ and ‘dfs -stat’ Major fs, shell, test Mingliang Liu Mingliang Liu
HADOOP-13599 s3a close() to be non-synchronized, so avoid risk of deadlock on shutdown Major fs/s3 Steve Loughran Steve Loughran
HADOOP-12974 Create a CachingGetSpaceUsed implementation that uses df Major . Elliott Clark Elliott Clark
HDFS-10851 FSDirStatAndListingOp: stop passing path as string Major hdfs Daryn Sharp Daryn Sharp
HDFS-10619 Cache path in InodesInPath Major hdfs Daryn Sharp Daryn Sharp
HDFS-10934 TestDFSShell.testStat fails intermittently Major test Eric Badger Eric Badger
HADOOP-13674 S3A can provide a more detailed error message when accessing a bucket through an incorrect S3 endpoint. Minor fs/s3 Chris Nauroth Chris Nauroth
HDFS-10956 Remove rename/delete performance penalty when not using snapshots Major hdfs Daryn Sharp Daryn Sharp
HDFS-10896 Move lock logging logic from FSNamesystem into FSNamesystemLock Major namenode Erik Krogen Erik Krogen
HDFS-10745 Directly resolve paths into INodesInPath Major hdfs Daryn Sharp Daryn Sharp
HDFS-10955 Pass IIP for FSDirAttr methods Major hdfs Daryn Sharp Daryn Sharp
HADOOP-12977 s3a to handle delete(“/”, true) robustly Minor fs/s3 Steve Loughran Steve Loughran
HDFS-10939 Reduce performance penalty of encryption zones Major hdfs Daryn Sharp Daryn Sharp
HADOOP-13692 hadoop-aws should declare explicit dependency on Jackson 2 jars to prevent classpath conflicts. Minor fs/s3 Chris Nauroth Chris Nauroth
HDFS-10979 Pass IIP for FSDirDeleteOp methods Major hdfs Daryn Sharp Daryn Sharp
HDFS-10980 Optimize check for existence of parent directory Major hdfs Daryn Sharp Daryn Sharp
HDFS-10988 Refactor TestBalancerBandwidth Major balancer & mover, test Brahma Reddy Battula Brahma Reddy Battula
HDFS-10985 o.a.h.ha.TestZKFailoverController should not use fixed time sleep before assertions Minor ha, test Mingliang Liu Mingliang Liu
HDFS-10972 Add unit test for HDFS command ‘dfsadmin -getDatanodeInfo’ Major fs, shell, test Xiaobing Zhou Xiaobing Zhou
HDFS-10965 Add unit test for HDFS command ‘dfsadmin -printTopology’ Major fs, shell, test Xiaobing Zhou Xiaobing Zhou
HDFS-11008 Change unit test for testing parsing “-source” parameter in Balancer CLI Major test Mingliang Liu Mingliang Liu
HADOOP-13419 Fix javadoc warnings by JDK8 in hadoop-common package Major . Kai Sasaki Kai Sasaki
HDFS-10922 Adding additional unit tests for Trash (II) Major test Xiaoyu Yao Weiwei Yang
HDFS-10906 Add unit tests for Trash with HDFS encryption zones Major encryption Xiaoyu Yao Hanisha Koneru
HADOOP-13735 ITestS3AFileContextStatistics.testStatistics() failing Minor fs/s3 Steve Loughran Pieter Reuse
HDFS-10998 Add unit tests for HDFS command ‘dfsadmin -fetchImage’ in HA Major test Xiaobing Zhou Xiaobing Zhou
HADOOP-13727 S3A: Reduce high number of connections to EC2 Instance Metadata Service caused by InstanceProfileCredentialsProvider. Minor fs/s3 Rajesh Balamohan Chris Nauroth
HADOOP-12774 s3a should use UGI.getCurrentUser.getShortname() for username Major fs/s3 Steve Loughran Steve Loughran
HADOOP-13309 Document S3A known limitations in file ownership and permission model. Minor fs/s3 Chris Nauroth Chris Nauroth
HDFS-11011 Add unit tests for HDFS command ‘dfsadmin -set/clrSpaceQuota’ Major hdfs-client Xiaobing Zhou Xiaobing Zhou
HADOOP-13614 Purge some superfluous/obsolete S3 FS tests that are slowing test runs down Minor fs/s3, test Steve Loughran Steve Loughran
HADOOP-10597 RPC Server signals backoff to clients when all request queues are full Major . Ming Ma Ming Ma
HADOOP-13680 fs.s3a.readahead.range to use getLongBytes Major fs/s3 Steve Loughran Abhishek Modi
HDFS-11030 TestDataNodeVolumeFailure#testVolumeFailure is flaky (though passing) Major datanode, test Mingliang Liu Mingliang Liu
HDFS-10997 Reduce number of path resolving methods Major namenode Daryn Sharp Daryn Sharp
HDFS-11065 Add space quota tests for heterogenous storages Major hdfs Xiaobing Zhou Xiaobing Zhou
HDFS-11031 Add additional unit test for DataNode startup behavior when volumes fail Major datanode, test Mingliang Liu Mingliang Liu
HADOOP-10300 Allowed deferred sending of call responses Major ipc Daryn Sharp Daryn Sharp
HDFS-11076 Add unit test for extended Acls Major test Chen Liang Chen Liang
HDFS-11085 Add unit test for NameNode failing to start when name dir is unwritable Major namenode, test Mingliang Liu Xiaobing Zhou
YARN-5802 updateApplicationPriority api in scheduler should ensure to re-insert app to correct ordering policy Critical capacity scheduler Bibin A Chundatt Bibin A Chundatt
HDFS-11083 Add unit test for DFSAdmin -report command Major shell, test Mingliang Liu Xiaobing Zhou
YARN-4498 Application level node labels stats to be available in REST Major api, client, resourcemanager Bibin A Chundatt Bibin A Chundatt
HADOOP-13720 Add more info to the msgs printed in AbstractDelegationTokenSecretManager for better supportability Trivial common, security Yongjun Zhang Yongjun Zhang
HDFS-11122 TestDFSAdmin#testReportCommand fails due to timed out Minor test Yiqun Lin Yiqun Lin
HDFS-10872 Add MutableRate metrics for FSNamesystemLock operations Major namenode Erik Krogen Erik Krogen
HDFS-11105 TestRBWBlockInvalidation#testRWRInvalidation fails intermittently Major namenode, test Yiqun Lin Yiqun Lin
HADOOP-13822 Use GlobalStorageStatistics.INSTANCE.reset() at FileSystem#clearStatistics() Major fs Brahma Reddy Battula Brahma Reddy Battula
HADOOP-11601 Enhance FS spec & tests to mandate FileStatus.getBlocksize() >0 for non-empty files Minor fs, test Steve Loughran Steve Loughran
HADOOP-13655 document object store use with fs shell and distcp Major documentation, fs, fs/s3 Steve Loughran Steve Loughran
HADOOP-13801 regression: ITestS3AMiniYarnCluster failing Major fs/s3 Steve Loughran Steve Loughran
HADOOP-12804 Read Proxy Password from Credential Providers in S3 FileSystem Minor fs/s3 Larry McCay Larry McCay
HADOOP-13823 s3a rename: fail if dest file exists Blocker fs/s3 Steve Loughran Steve Loughran
HADOOP-13857 S3AUtils.translateException to map (wrapped) InterruptedExceptions to InterruptedIOEs Major fs/s3 Steve Loughran Steve Loughran
HADOOP-13855 Fix a couple of the s3a statistic names to be consistent with the rest Major fs/s3 Steve Loughran Steve Loughran
HADOOP-13257 Improve Azure Data Lake contract tests. Major fs/adl Chris Nauroth Vishwajeet Dusane
YARN-4390 Do surgical preemption based on reserved container in CapacityScheduler Major capacity scheduler Eric Payne Wangda Tan
HDFS-8630 WebHDFS : Support get/set/unset StoragePolicy Major webhdfs nijel Surendra Singh Lilhore
HADOOP-13871 ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks performance awful Major fs/s3 Steve Loughran Steve Loughran
YARN-2009 CapacityScheduler: Add intra-queue preemption for app priority support Major capacityscheduler Devaraj K Sunil G
YARN-4844 Add getMemorySize/getVirtualCoresSize to o.a.h.y.api.records.Resource Blocker api Wangda Tan Wangda Tan
YARN-4990 Re-direction of a particular log file within in a container in NM UI does not redirect properly to Log Server ( history ) on container completion Major . Hitesh Shah Xuan Gong
YARN-3866 AM-RM protocol changes to support container resizing Blocker api MENG DING MENG DING
HADOOP-13336 S3A to support per-bucket configuration Major fs/s3 Steve Loughran Steve Loughran
HDFS-8377 Support HTTP/2 in datanode Major . Duo Zhang Duo Zhang
HADOOP-14019 fix some typos in the s3a docs Minor documentation, fs/s3 Steve Loughran Steve Loughran
HADOOP-14081 S3A: Consider avoiding array copy in S3ABlockOutputStream (ByteArrayBlock) Minor fs/s3 Rajesh Balamohan Rajesh Balamohan
YARN-6143 Fix incompatible issue caused by YARN-3583 Blocker rolling upgrade Wangda Tan Sunil G
HADOOP-14113 review ADL Docs Minor documentation, fs/adl Steve Loughran Steve Loughran
HADOOP-14123 Remove misplaced ADL service provider config file for FileSystem Minor fs/adl John Zhuge John Zhuge
HADOOP-14153 ADL module has messed doc structure Major fs/adl Mingliang Liu Mingliang Liu
HADOOP-14173 Remove unused AdlConfKeys#ADL_EVENTS_TRACKING_SOURCE Trivial fs/adl John Zhuge John Zhuge
HDFS-7964 Add support for async edit logging Major namenode Daryn Sharp Daryn Sharp
HDFS-8818 Allow Balancer to run faster Major balancer & mover Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-4140 RM container allocation delayed incase of app submitted to Nodelabel partition Major scheduler Bibin A Chundatt Bibin A Chundatt

OTHER:

JIRA Summary Priority Component Reporter Contributor
YARN-3357 Move TestFifoScheduler to FIFO package Major scheduler, test Rohith Sharma K S Rohith Sharma K S
HADOOP-11814 Reformat hadoop-annotations, o.a.h.classification.tools Minor . Li Lu Li Lu
MAPREDUCE-6388 Remove deprecation warnings from JobHistoryServer classes Minor jobhistoryserver Ray Chiang Ray Chiang
YARN-3026 Move application-specific container allocation logic from LeafQueue to FiCaSchedulerApp Major capacityscheduler Wangda Tan Wangda Tan
HDFS-8938 Extract BlockToMarkCorrupt and ReplicationWork as standalone classes from BlockManager Major . Mingliang Liu Mingliang Liu
HDFS-9027 Refactor o.a.h.hdfs.DataStreamer#isLazyPersist() method Major . Mingliang Liu Mingliang Liu
MAPREDUCE-6477 Replace usage of deprecated NameNode.DEFAULT_PORT in TestFileSystem Major . Mingliang Liu Mingliang Liu
MAPREDUCE-6483 Replace deprecated method NameNode.getUri() with DFSUtilClient.getNNUri() in TestMRCredentials Major test Mingliang Liu Mingliang Liu
HDFS-9130 Use GenericTestUtils#setLogLevel to the logging level Major . Mingliang Liu Mingliang Liu
HADOOP-12446 Undeprecate createNonRecursive() Major . Ted Yu Ted Yu
HDFS-8979 Clean up checkstyle warnings in hadoop-hdfs-client module Major . Mingliang Liu Mingliang Liu
HADOOP-11791 Update src/site/markdown/releases to include old versions of Hadoop Major build, documentation Allen Wittenauer Allen Wittenauer
HADOOP-12514 Make static fields in GenericTestUtils for assertExceptionContains() package-private and final Minor test Mingliang Liu Mingliang Liu
HDFS-9377 Fix findbugs warnings in FSDirSnapshotOp Major namenode Mingliang Liu Mingliang Liu
HADOOP-12567 NPE in SaslRpcServer Major . Sergey Shelukhin Sergey Shelukhin
YARN-4653 Document YARN security model from the perspective of Application Developers Major site Steve Loughran Steve Loughran
HDFS-10200 Docs for WebHDFS still describe GETDELEGATIONTOKENS operation Trivial documentation Wellington Chevreuil Wellington Chevreuil
HDFS-9353 Code and comment mismatch in JavaKeyStoreProvider Trivial . nijel Andras Bokor
HDFS-10984 Expose nntop output as metrics Major namenode Siddharth Wagle Siddharth Wagle
YARN-5704 Provide config knobs to control enabling/disabling new/work in progress features in container-executor Major yarn Sidharta Seethana Sidharta Seethana
HADOOP-14091 AbstractFileSystem implementaion for ‘wasbs’ scheme Major fs/azure Varada Hemeswari Varada Hemeswari
YARN-6274 Documentation refers to incorrect nodemanager health checker interval property Trivial documentation Charles Zhang Weiwei Yang