MAPREDUCE-5751. MR app master fails to start in some cases if mapreduce.job.classloader is true. Contributed by Sangjin Lee


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1577554 13f79535-47bb-0310-9956-ffa450edef68
Update CHANGES.txt to show MR-5688 pulled into 2.4.0


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1577586 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5769. Unregistration to RM should not be called if AM is crashed before registering with RM. Contributed by Rohith


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1577647 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5570. Map task attempt with fetch failure has incorrect attempt finish time. Contributed by Rushabh S Shah


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1577692 13f79535-47bb-0310-9956-ffa450edef68
YARN-1717. Enabled periodically discarding old data in LeveldbTimelineStore. Contributed by Billie Rinaldi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1577693 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10407. Fix the javac warnings in org.apache.hadoop.ipc package.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1577710 13f79535-47bb-0310-9956-ffa450edef68
YARN-1833. TestRMAdminService Fails in trunk and branch-2 (Mit Desais via jeagles)

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YARN-1520. update capacity scheduler docs to include necessary parameters (Chen He via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1577777 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6106. Reduce default for dfs.namenode.path.based.cache.refresh.interval.ms (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1577798 13f79535-47bb-0310-9956-ffa450edef68
YARN-1824. Improved NodeManager and clients to be able to handle cross platform application submissions. Contributed by Jian He.
MAPREDUCE-4052. Improved MapReduce clients to use NodeManagers' ability to handle cross platform application submissions. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578135 13f79535-47bb-0310-9956-ffa450edef68
YARN-1845. Elapsed time for failed tasks that never started is wrong (Rushabh S Shah via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578457 13f79535-47bb-0310-9956-ffa450edef68
YARN-1845. Elapsed time for failed tasks that never started is wrong (Rushabh S Shah via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578459 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6094. The same block can be counted twice towards safe mode threshold. (Arpit Agarwal)

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YARN-1830. Fixed TestRMRestart#testQueueMetricsOnRMRestart failure due to race condition when app is submitted. Contributed by Zhijie Shen

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578486 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6107. When a block cannot be cached due to limited space on the DataNode, it becomes uncacheable (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578508 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6107: fix comment (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578511 13f79535-47bb-0310-9956-ffa450edef68
YARN-1136. Replace junit.framework.Assert with org.junit.Assert (Chen He via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578539 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5516. WebHDFS does not require user name when anonymous http requests are disallowed. Contributed by Miodrag Radulovic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578549 13f79535-47bb-0310-9956-ffa450edef68
YARN-1685. Fixed few bugs related to handling of containers' log-URLs on ResourceManager and history-service. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578602 13f79535-47bb-0310-9956-ffa450edef68
YARN-1206. Fixed AM container log to show on NM web page after application finishes if log-aggregation is disabled. Contributed by Rohith Sharmaks

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