svn merge -c 1548161 FIXES: HDFS-5514. FSNamesystem's fsLock should allow custom implementation (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1548168 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1548175 FIXES: HADOOP-10129. Distcp may succeed when it fails (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1548176 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1548179 FIXES: HADOOP-10081. Client.setupIOStreams can leak socket resources on exception or error. Contributed by Tsuyoshi OZAWA


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1548181 13f79535-47bb-0310-9956-ffa450edef68
Move HADOOP-10129 from 0.23.10 to 0.23.11 in CHANGES.txt


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1548196 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1548197 FIXES: MAPREDUCE-5409. MRAppMaster throws InvalidStateTransitonException: Invalid event: TA_TOO_MANY_FETCH_FAILURE at KILLED for TaskAttemptImpl. Contributed by Gera Shegalov


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1548198 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10058. TestMetricsSystemImpl#testInitFirstVerifyStopInvokedImmediately fails on trunk (Chen He via jeagles)

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