HDFS-3245. Add metrics and web UI for cluster version summary. Contributed by Ravi Prakash.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517937 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5128. Allow multiple net interfaces to be used with HA namenode RPC server. Contributed by Kihwal Lee.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517981 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5132. Deadlock in NameNode between SafeModeMonitor#run and DatanodeManager#handleHeartbeat. Contributed by Kihwal Lee.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517989 13f79535-47bb-0310-9956-ffa450edef68
Adding the new test file for HDFS-3245 that was accidentally dropped

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517994 13f79535-47bb-0310-9956-ffa450edef68
YARN-981. Fixed YARN webapp so that /logs servlet works like before. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518030 13f79535-47bb-0310-9956-ffa450edef68
YARN-1083. Changed ResourceManager to fail when the expiry interval is less than the configured node-heartbeat interval. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518036 13f79535-47bb-0310-9956-ffa450edef68
YARN-602. Fixed NodeManager to not let users override some mandatory environmental variables. Contributed by Kenji Kikushima.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518077 13f79535-47bb-0310-9956-ffa450edef68
YARN-1081. Made a trivial change to YARN node CLI header to avoid potential confusion. Contributed by Akira AJISAKA.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518080 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5078 Support file append in NFSv3 gateway to enable data streaming to HDFS. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518292 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9910. proxy server start and stop documentation wrong. Contributed by Andre Kelpe. (harsh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518296 13f79535-47bb-0310-9956-ffa450edef68
Addendum to HADOOP-9910 for trunk. Removed bad characters from CHANGES.txt note that was causing odd issues.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518302 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9906. Move HAZKUtil to o.a.h.util.ZKUtil and make inner-classes public (Karthik Kambatla via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518303 13f79535-47bb-0310-9956-ffa450edef68
Adding and removing files missed for HADOOP-9906

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518306 13f79535-47bb-0310-9956-ffa450edef68
YARN-1101. Active nodes can be decremented below 0 (Robert Parker via tgraves_

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518384 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9894.  Race condition in Shell leads to logged error stream handling exceptions (Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518420 13f79535-47bb-0310-9956-ffa450edef68
YARN-1034. Remove "experimental" in the Fair Scheduler documentation. (Karthik Kambatla via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518444 13f79535-47bb-0310-9956-ffa450edef68
YARN-1080. Improved help message for "yarn logs" command. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518731 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5483. revert MAPREDUCE-5357. (rkanter via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518772 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5441. Changed MR AM to return RUNNING state if exiting when RM commands to reboot, so that client can continue to track the overall job. Contributed by xJian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518821 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9889. Refresh the Krb5 configuration when creating a new kdc in Hadoop-MiniKDC (Wei Yan via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518847 13f79535-47bb-0310-9956-ffa450edef68