Release Notes -- Apache Jackrabbit Oak -- Version 0.16

Introduction
------------

Jackrabbit Oak is an effort to implement a scalable and performant
hierarchical content repository for use as the foundation of modern
world-class web sites and  other demanding content applications.

The Oak effort is a part of the Apache Jackrabbit project.
Apache Jackrabbit is a project of the Apache Software Foundation.

Jackrabbit Oak 0.16 is to alpha-level software. Use at your own risk.

Changes in Oak 0.16
-------------------

New Features

  [OAK-541] Pluggable AccessControl
  [OAK-754] Pluggable Security Setup
  [OAK-1278] "stupid" SQL persistence of DocumentStore
  [OAK-1279] "stupid" SQL persistence of BlobStore

Improvements

  [OAK-246] MicroKernelService should set metatype to true to easier configuration
  [OAK-710] PermissionValidator: Backwards compatible permission evaluation for moving/renaming nodes
  [OAK-834] Efficient copying of binaries across repositories
  [OAK-891] Use DirectMemory as Level 2/Offheap cache
  [OAK-924] Optimize namespace lookups
  [OAK-1099] node creation noticeably slower with mongoMk compared to tarMk
  [OAK-1275] Efficient MongoNodeState.getChildNodeEntries() for many child nodes
  [OAK-1332] Large number of changes to the same node can fill observation queue
  [OAK-1336] Query: use "union" for complex XPath queries that use "or"
  [OAK-1352] Remove synchronization on MongoMK.diffImpl()
  [OAK-1360] Rename o.a.j.o.plugins.mongomk to o.a.j.o.plugins.document
  [OAK-1361] DocumentNodeState#compareAgainstBaseState too slow
  [OAK-1366] Implement DocumentNodeState.getChildNodeCount(long)
  [OAK-1367] Benchmark ObservationTest should register more than a single listener
  [OAK-1373] Capture heap dump on OOME during tests
  [OAK-1376] Upgrade Maven plugins
  [OAK-1380] Restore from backup utility class
  [OAK-1381] Avoid dependency to AbstractTree outside of oak.core package
  [OAK-1386] Move tree type to permission implementation

Bugs

  [OAK-825] Unnecessary performance overhead in MongoMK's calculation of keys for the nodeCache, nodeChildrenCache
  [OAK-1215] Wildcards in relative property paths don't work in search expressions
  [OAK-1285] QueryEngine#executeQuery takes NamePathMapper which is not part of oak-api
  [OAK-1348] ACE merging not behaving correctly if not using managed principals
  [OAK-1350] Inconsistent Principal Validation between API and Import behavior
  [OAK-1354] Valid Query for mixin Type in JCR 2.x fails in Oak
  [OAK-1358] Oak should only create one default executor
  [OAK-1359] BlobStore implementation improvements
  [OAK-1362] Add package-info.java files instead of using the project version for the package exports
  [OAK-1363] TokenLoginModule does not set userId on auth info
  [OAK-1364] CacheLIRS concurrency issue
  [OAK-1365] RevisionTest.difference() fails occasionally
  [OAK-1369] XPath queries: compatibility for missing @ in front of property names
  [OAK-1371] SolrServerProvider OSGi properties should use label instead of name
  [OAK-1374] Async indexer fails on the SegmentMK
  [OAK-1377] Consolidate OsgiSecurityProvider and SecurityProviderImpl
  [OAK-1382] Tests in oak-core and oak-jcr may run out of memory
  [OAK-1383] Reduce memory usage of the cache
  [OAK-1384] Background write does not update all _lastRev

In addition to the above-mentioned changes, this release contains
all the changes included up to the Apache Jackrabbit Oak 0.15 release.

For more detailed information about all the changes in this and other
Oak releases, please see the Oak issue tracker at

  https://issues.apache.org/jira/browse/OAK

Release Contents
----------------

This release consists of a single source archive packaged as a zip file.
The archive can be unpacked with the jar tool from your JDK installation.
See the README.md file for instructions on how to build this release.

The source archive is accompanied by SHA1 and MD5 checksums and a PGP
signature that you can use to verify the authenticity of your download.
The public key used for the PGP signature can be found at
https://svn.apache.org/repos/asf/jackrabbit/dist/KEYS.

About Apache Jackrabbit Oak
---------------------------

Oak is an effort implement a scalable and performant hierarchical content 
repository for use as the foundation of modern world-class web sites and 
other demanding content applications. 

The Oak effort is a part of the Apache Jackrabbit project. 
Apache Jackrabbit is a project of the Apache Software Foundation.

For more information, visit http://jackrabbit.apache.org/oak

About The Apache Software Foundation
------------------------------------

Established in 1999, The Apache Software Foundation provides organizational,
legal, and financial support for more than 100 freely-available,
collaboratively-developed Open Source projects. The pragmatic Apache License
enables individual and commercial users to easily deploy Apache software;
the Foundation's intellectual property framework limits the legal exposure
of its 2,500+ contributors.

For more information, visit http://www.apache.org/