MAPREDUCE-5804. TestMRJobsWithProfiler#testProfiler timesout. Contributed by Mit Desai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1579995 13f79535-47bb-0310-9956-ffa450edef68
YARN-1670. Fixed a bug in log-aggregation that can cause the writer to write more log-data than the log-length that it records. Contributed by Mit Desai.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580005 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6138. Add a user guide for how to use viewfs with federation.  Contributed by sanjay and szetszwo


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580013 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6120. Fix and improve safe mode log messages. (Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580047 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5787. Added the ability to keep alive shuffle connections in the MapReduce shuffle-handler. Contributed by Rajesh Balamohan.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580062 13f79535-47bb-0310-9956-ffa450edef68
YARN-1849. Fixed NPE in ResourceTrackerService#registerNodeManager for UAM. Contributed by Karthik Kambatla

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580077 13f79535-47bb-0310-9956-ffa450edef68
YARN-1775. Enhanced ProcfsBasedProcessTree to optionally add the ability to use smaps for obtaining used memory information. Contributed by Rajesh Balamohan.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580087 13f79535-47bb-0310-9956-ffa450edef68
YARN-1863. Fixed test failure in TestRMFailover after YARN-1859. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580094 13f79535-47bb-0310-9956-ffa450edef68
YARN-1854. Fixed test failure in TestRMHA#testStartAndTransitions. Contributed by Rohith Sharma KS.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580097 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5806. Fixed a bug in MRAppMaster so as to enable users to properly override HADOOP_ROOT_LOGGER or HADOOP_CLIENT_OPTS. Contributed by Varun Vasudev.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580100 13f79535-47bb-0310-9956-ffa450edef68
YARN-1536. Cleanup: Get rid of ResourceManager#get*SecretManager() methods and use the RMContext methods instead. (Anubhav Dhoot via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580128 13f79535-47bb-0310-9956-ffa450edef68