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Java内容仓库API，Apache Jackrabbit Oak v1.5.3 发布

Apache Jackrabbit 是由 Apache Foundation 提供的 JSR-170 的开放源码实现,JSR-170把自己定义为一个能与内容仓库互相访问的，独立的，标准的方式。同时它也对内容仓库做出了自己的定义，它认为内容仓库是一个高级的信息管理系统，该系统是是传统的数据仓库的扩展，它提供了诸如版本控制、全文检索，访问控制，内容分类、访问控制、内容事件监视等内容服务。

更新日志

Technical task

[OAK-4326] - Add a flag to choose between segment store implementations in the "backup" command
[OAK-4327] - Add a flag to choose between segment store implementations in the "restore" command
[OAK-4328] - Add a fixture to choose between segment store implementations in the "benchmark" command
[OAK-4329] - Add a flag to choose between segment store implementations in the "console" command
[OAK-4330] - Add a flag to choose between segment store implementations in the "debug" command
[OAK-4331] - Add a flag to choose between segment store implementations in the "graph" command
[OAK-4332] - Add a flag to choose between segment store implementations in the "history" command
[OAK-4333] - Add a flag to choose between segment store implementations in the "check" command
[OAK-4334] - Add a flag to choose between segment store implementations in the "compact" command
[OAK-4335] - Add a flag to choose between segment store implementations in the "server" command
[OAK-4336] - Add a flag to choose between segment store implementations in the "scalability" command
[OAK-4337] - Add a flag to choose between segment store implementations in the "explore" command
[OAK-4338] - Add a flag to choose between segment store implementations in the "checkpoints" command
[OAK-4339] - Add a flag to choose between segment store implementations in the "tika" command
[OAK-4340] - Add a flag to choose between segment store implementations in the "tarmkdiff" command
[OAK-4341] - Add a flag to choose between segment store implementations in the "tarmkrecovery" command
[OAK-4342] - Add a flag to choose between segment store implementations in the "dumpdatastorerefs" command
[OAK-4343] - Add a flag to choose between segment store implementations in the "resetclusterid" command
[OAK-4388] - RDBDocumentStore: conditional update to _modified property sometimes applied unconditionally
[OAK-4389] - RDBDocumentStore: add system property for disabling appending updates
[OAK-4398] - RDBDocumentStore: dead code in internalUpdate
[OAK-4425] - RDBDocumentStore: upgrade MySQL JDBC driver dependency to 5.1.39

Bug修复

[OAK-4358] - Stale cluster ids can potentially lead to lots of previous docs traversal in NodeDocument.getNewestRevision
[OAK-4366] - SyncMBeanImpl.testSyncExternalUsersLastSyncedProperty makes assumption about System.currentTimeMillis()
[OAK-4375] - oak-jcr has compile dependencies on oak-segment and oak-segment-tar
[OAK-4376] - XPath: queries starting with "//" are not always converted correctly
[OAK-4377] - TestS3Ds overwrites system property 'config'
[OAK-4387] - XPath: querying for nodes named "text", "element", and "rep:excerpt" fails
[OAK-4397] - DefaultSyncContext.syncMembership may sync group of a foreign IDP
[OAK-4423] - Possible overflow in checkpoint creation
[OAK-4426] - RepositorySidegrade: oak-segment to oak-segment-tar should drop the name length check

Epic

[OAK-4215] - Improve test-coverage for External Authentication

改进

[OAK-4361] - Reduce performance impact of observation ACFilter
[OAK-4370] - Unreferenced empty VersionHistories should be deleted automatically
[OAK-4372] - VersionGarbageCollector uses more temporary memory than needed
[OAK-4380] - DocumentNodeState should override getPropertyCount
[OAK-4381] - Query engine: decouple nodetype lookup
[OAK-4384] - Benchmarks: add support 'automembership' config option
[OAK-4385] - Benchmarks: proper init of ExternalPrincipalConfiguration with dynamicMembership
[OAK-4413] - IndexCopier logs too verbose
[OAK-4424] - Optimize PathUtils.concat by using a properly sized StringBuilder

新功能

[OAK-4101] - Consider separate external (group) principal management

Task

[OAK-4279] - Rework offline compaction
[OAK-4364] - Initial Benchmarks for oak-auth-external
[OAK-4411] - DocumentNodeStore: Improve test coverage for concurrent updates and queries