HDFS-6050. NFS does not handle exceptions correctly in a few places. Contributed by Brandon Li

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HDFS-6135. In HDFS upgrade with HA setup, JournalNode cannot handle layout version bump when rolling back. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581070 13f79535-47bb-0310-9956-ffa450edef68
Move HDFS-5138 to 2.4.0 section in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581074 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5846. Shuffle phase is slow in Windows - FadviseFileRegion::transferTo does not read disks efficiently. Contributed by Nikola Vujic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581091 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10422. Remove redundant logging of RPC retry attempts. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581112 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10423. Clarify compatibility policy document for combination of new client and old server. (Chris Nauroth via kasha)

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HDFS-6124. Add final modifier to class members. (Contributed by Suresh Srinivas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581124 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5795. Fixed MRAppMaster to record the correct job-state after it recovers from a commit during a previous attempt. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581180 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10425. LocalFileSystem.getContentSummary should not count crc files.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581183 13f79535-47bb-0310-9956-ffa450edef68
YARN-1850. Introduced the ability to optionally disable sending out timeline-events in the TimelineClient. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581189 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6125. Cleanup unnecessary cast in HDFS code base. Contributed by Suresh Srinivas.

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HDFS-5840. Follow-up to HDFS-5138 to improve error handling during partial upgrade failures. Contributed by Aaron T. Myers, Suresh Srinivas, and Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581260 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5196. Provide more snapshot information in WebUI. Contributed by Shinichi Yamashita.

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HADOOP-10426. Declare CreateOpts.getOpt(..) with generic type argument, removes unused FileContext.getFileStatus(..) and fixes various javac warnings.


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YARN-1866. Fixed an issue with renewal of RM-delegation tokens on restart or fail-over. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581448 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10280. Make Schedulables return a configurable identity of user or group. (Contributed by Chris Li)

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HADOOP-10280. Add files missed in previous checkin.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581533 13f79535-47bb-0310-9956-ffa450edef68
YARN-1452. Added documentation about the configuration and usage of generic application history and the timeline data service. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581656 13f79535-47bb-0310-9956-ffa450edef68
YARN-1867. Fixed a bug in ResourceManager that was causing invalid ACL checks in the web-services after fail-over. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581662 13f79535-47bb-0310-9956-ffa450edef68
YARN-1521. Mark Idempotent/AtMostOnce annotations to the APIs in ApplicationClientProtcol, ResourceManagerAdministrationProtocol and ResourceTrackerProtocol so that they work in HA scenario. Contributed by Xuan Gong

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