YARN-1924. Made ZKRMStateStore updateApplication(Attempt)StateInternal work when Application(Attempt) state hasn't been stored before. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586547 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6231. DFSClient hangs infinitely if using hedged reads and all eligible datanodes die. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586551 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5815. Fixed test-failure of TestMRAppMaster by making MRAppMaster gracefully handle empty-queue names. Contributed by Akira Ajisaka.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586559 13f79535-47bb-0310-9956-ffa450edef68
YARN-1926. Changed DistributedShell to use appIDs as unique identifiers for HDFS paths and thus avoid test failures on Windows. Contributed by Varun Vasudev.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586562 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5826. Fixed HistoryServerFileSystemStore to use right permissions on Windows for temporary files and thus also fix the test-issue with
TestHistoryServerFileSystemStateStoreService. Contributed by Varun Vasudev.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586567 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10490. TestMapFile and TestBloomMapFile leak file descriptors. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586570 13f79535-47bb-0310-9956-ffa450edef68