Apache Hadoop Main 2.4.1 API

Common

org.apache.hadoop
org.apache.hadoop.classification
org.apache.hadoop.conf	Configuration of system parameters.
org.apache.hadoop.contrib.bkjournal
org.apache.hadoop.contrib.utils.join
org.apache.hadoop.examples	Hadoop example code.
org.apache.hadoop.examples.dancing	This package is a distributed implementation of Knuth's dancing links algorithm that can run under Hadoop.
org.apache.hadoop.examples.pi	This package consists of a map/reduce application, distbbp, which computes exact binary digits of the mathematical constant π.
org.apache.hadoop.examples.pi.math	This package provides useful mathematical library classes for the distbbp program.
org.apache.hadoop.examples.terasort	This package consists of 3 map/reduce applications for Hadoop to compete in the annual terabyte sort competition.
org.apache.hadoop.filecache
org.apache.hadoop.fs	An abstract file system API.
org.apache.hadoop.fs.ftp
org.apache.hadoop.fs.http.client
org.apache.hadoop.fs.http.server
org.apache.hadoop.fs.permission
org.apache.hadoop.fs.s3	A distributed, block-based implementation of FileSystem that uses Amazon S3 as a backing store.
org.apache.hadoop.fs.s3native	A distributed implementation of FileSystem for reading and writing files on Amazon S3.
org.apache.hadoop.fs.swift.auth
org.apache.hadoop.fs.swift.auth.entities
org.apache.hadoop.fs.swift.exceptions
org.apache.hadoop.fs.swift.http
org.apache.hadoop.fs.swift.snative
org.apache.hadoop.fs.swift.util
org.apache.hadoop.fs.viewfs
org.apache.hadoop.ha
org.apache.hadoop.ha.proto
org.apache.hadoop.ha.protocolPB
org.apache.hadoop.http.lib	This package provides user-selectable (via configuration) classes that add functionality to the web UI.
org.apache.hadoop.io	Generic i/o code for use when reading and writing data to the network, to databases, and to files.
org.apache.hadoop.io.compress
org.apache.hadoop.io.file.tfile
org.apache.hadoop.io.serializer	This package provides a mechanism for using different serialization frameworks in Hadoop.
org.apache.hadoop.io.serializer.avro	This package provides Avro serialization in Hadoop.
org.apache.hadoop.ipc.proto
org.apache.hadoop.ipc.protobuf
org.apache.hadoop.ipc.protocolPB
org.apache.hadoop.jmx	This package provides access to JMX primarily through the JMXJsonServlet class.
org.apache.hadoop.lib.lang
org.apache.hadoop.lib.server
org.apache.hadoop.lib.service
org.apache.hadoop.lib.service.hadoop
org.apache.hadoop.lib.service.instrumentation
org.apache.hadoop.lib.service.scheduler
org.apache.hadoop.lib.service.security
org.apache.hadoop.lib.servlet
org.apache.hadoop.lib.util
org.apache.hadoop.lib.wsrs
org.apache.hadoop.log
org.apache.hadoop.log.metrics
org.apache.hadoop.maven.plugin.protoc
org.apache.hadoop.maven.plugin.util
org.apache.hadoop.maven.plugin.versioninfo
org.apache.hadoop.metrics	This package defines an API for reporting performance metric information.
org.apache.hadoop.metrics.file	Implementation of the metrics package that writes the metrics to a file.
org.apache.hadoop.metrics.ganglia	Implementation of the metrics package that sends metric data to Ganglia.
org.apache.hadoop.metrics.spi	The Service Provider Interface for the Metrics API.
org.apache.hadoop.metrics2	Metrics 2.0
org.apache.hadoop.metrics2.annotation	Annotation interfaces for metrics instrumentation
org.apache.hadoop.metrics2.filter	Builtin metrics filters (to be used in metrics config files)
org.apache.hadoop.metrics2.lib	A collection of library classes for implementing metrics sources
org.apache.hadoop.metrics2.sink	Builtin metrics sinks
org.apache.hadoop.metrics2.sink.ganglia
org.apache.hadoop.metrics2.source
org.apache.hadoop.metrics2.util	General helpers for implementing source and sinks
org.apache.hadoop.minikdc
org.apache.hadoop.mount
org.apache.hadoop.net	Network-related classes.
org.apache.hadoop.net.unix
org.apache.hadoop.nfs
org.apache.hadoop.nfs.nfs3
org.apache.hadoop.nfs.nfs3.request
org.apache.hadoop.nfs.nfs3.response
org.apache.hadoop.oncrpc
org.apache.hadoop.oncrpc.security
org.apache.hadoop.portmap
org.apache.hadoop.record	(DEPRECATED) Hadoop record I/O contains classes and a record description language translator for simplifying serialization and deserialization of records in a language-neutral manner.
org.apache.hadoop.record.compiler	(DEPRECATED) This package contains classes needed for code generation from the hadoop record compiler.
org.apache.hadoop.record.compiler.ant
org.apache.hadoop.record.compiler.generated	(DEPRECATED) This package contains code generated by JavaCC from the Hadoop record syntax file rcc.jj.
org.apache.hadoop.record.meta
org.apache.hadoop.security
org.apache.hadoop.security.authentication.client
org.apache.hadoop.security.authentication.examples
org.apache.hadoop.security.authentication.server
org.apache.hadoop.security.authentication.util
org.apache.hadoop.security.proto
org.apache.hadoop.security.protocolPB
org.apache.hadoop.security.ssl
org.apache.hadoop.service
org.apache.hadoop.streaming	Hadoop Streaming is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g.
org.apache.hadoop.streaming.io
org.apache.hadoop.tools.mapred
org.apache.hadoop.tools.mapred.lib
org.apache.hadoop.tools.proto
org.apache.hadoop.tools.protocolPB
org.apache.hadoop.tools.rumen	Rumen is a data extraction and analysis tool built for Apache Hadoop.
org.apache.hadoop.tools.rumen.anonymization
org.apache.hadoop.tools.rumen.datatypes
org.apache.hadoop.tools.rumen.datatypes.util
org.apache.hadoop.tools.rumen.serializers
org.apache.hadoop.tools.rumen.state
org.apache.hadoop.tools.util
org.apache.hadoop.typedbytes	Typed bytes are sequences of bytes in which the first byte is a type code.
org.apache.hadoop.util	Common utilities.
org.apache.hadoop.util.bloom
org.apache.hadoop.util.hash

MapReduce

org.apache.hadoop.mapred
org.apache.hadoop.mapred.gridmix
org.apache.hadoop.mapred.gridmix.emulators.resourceusage
org.apache.hadoop.mapred.jobcontrol
org.apache.hadoop.mapred.join
org.apache.hadoop.mapred.lib
org.apache.hadoop.mapred.lib.aggregate
org.apache.hadoop.mapred.lib.db
org.apache.hadoop.mapred.pipes
org.apache.hadoop.mapred.tools	Command-line tools associated with the org.apache.hadoop.mapred package.
org.apache.hadoop.mapreduce
org.apache.hadoop.mapreduce.lib.aggregate
org.apache.hadoop.mapreduce.lib.chain
org.apache.hadoop.mapreduce.lib.db
org.apache.hadoop.mapreduce.lib.fieldsel
org.apache.hadoop.mapreduce.lib.input
org.apache.hadoop.mapreduce.lib.jobcontrol
org.apache.hadoop.mapreduce.lib.join
org.apache.hadoop.mapreduce.lib.map
org.apache.hadoop.mapreduce.lib.output
org.apache.hadoop.mapreduce.lib.partition
org.apache.hadoop.mapreduce.lib.reduce
org.apache.hadoop.mapreduce.security
org.apache.hadoop.mapreduce.server.jobtracker
org.apache.hadoop.mapreduce.server.tasktracker
org.apache.hadoop.mapreduce.task.annotation
org.apache.hadoop.mapreduce.tools
org.apache.hadoop.mapreduce.v2
org.apache.hadoop.mapreduce.v2.app.webapp.dao
org.apache.hadoop.mapreduce.v2.hs.client
org.apache.hadoop.mapreduce.v2.hs.proto
org.apache.hadoop.mapreduce.v2.hs.protocol
org.apache.hadoop.mapreduce.v2.hs.protocolPB
org.apache.hadoop.mapreduce.v2.hs.server
org.apache.hadoop.mapreduce.v2.hs.webapp.dao
org.apache.hadoop.mapreduce.v2.security

YARN

org.apache.hadoop.yarn
org.apache.hadoop.yarn.api
org.apache.hadoop.yarn.api.protocolrecords
org.apache.hadoop.yarn.api.records
org.apache.hadoop.yarn.api.records.timeline	Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
org.apache.hadoop.yarn.applications.distributedshell
org.apache.hadoop.yarn.applications.unmanagedamlauncher
org.apache.hadoop.yarn.client
org.apache.hadoop.yarn.client.api
org.apache.hadoop.yarn.client.api.async
org.apache.hadoop.yarn.client.api.async.impl
org.apache.hadoop.yarn.client.api.impl
org.apache.hadoop.yarn.client.cli
org.apache.hadoop.yarn.conf
org.apache.hadoop.yarn.event
org.apache.hadoop.yarn.exceptions
org.apache.hadoop.yarn.logaggregation
org.apache.hadoop.yarn.security
org.apache.hadoop.yarn.security.admin
org.apache.hadoop.yarn.security.client
org.apache.hadoop.yarn.sls
org.apache.hadoop.yarn.sls.appmaster
org.apache.hadoop.yarn.sls.conf
org.apache.hadoop.yarn.sls.nodemanager
org.apache.hadoop.yarn.sls.scheduler
org.apache.hadoop.yarn.sls.utils
org.apache.hadoop.yarn.sls.web
org.apache.hadoop.yarn.state
org.apache.hadoop.yarn.util
org.apache.hadoop.yarn.util.resource
org.apache.hadoop.yarn.util.timeline