YARN-1029. Added embedded leader election in the ResourceManager. Contributed by Karthik Kambatla.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556103 13f79535-47bb-0310-9956-ffa450edef68
YARN-1409. NonAggregatingLogHandler can throw RejectedExecutionException. Contributed by Tsuyoshi OZAWA


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556282 13f79535-47bb-0310-9956-ffa450edef68
YARN-1293. Fixed TestContainerLaunch#testInvalidEnvSyntaxDiagnostics failure caused by non-English system locale. Contributed by Tsuyoshi OZAWA.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556318 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5715. Use Snapshot ID to indicate the corresponding Snapshot for a FileDiff/DirectoryDiff. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556353 13f79535-47bb-0310-9956-ffa450edef68
YARN-1482. Modified WebApplicationProxy to make it work across ResourceManager fail-over. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556380 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5724. modifyCacheDirective logging audit log command wrongly as addCacheDirective (Uma Maheswara Rao G via Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556386 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5649. Unregister NFS and Mount service when NFS gateway is shutting down. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556405 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5726. Fix compilation error in AbstractINodeDiff for JDK7. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556433 13f79535-47bb-0310-9956-ffa450edef68
YARN-1568. Rename clusterid to clusterId in ActiveRMInfoProto (kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556435 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10208. Remove duplicate initialization in StringUtils.getStringCollection. Contributed by Benoy Antony.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1556602 13f79535-47bb-0310-9956-ffa450edef68
Merge trunk to HDFS-4685.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4685@1556665 13f79535-47bb-0310-9956-ffa450edef68