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
YARN-1776. Fixed DelegationToken renewal to survive RM failover. Contributed by Zhijie Shen

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580154 13f79535-47bb-0310-9956-ffa450edef68
YARN-1577. Made UnmanagedAMLauncher do launchAM after the attempt reaches the LAUNCHED state. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580164 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10191. Missing executable permission on viewfs internal dirs. Contributed by Gera Shegalov.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580170 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6140. WebHDFS cannot create a file with spaces in the name after HA failover changes. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580173 13f79535-47bb-0310-9956-ffa450edef68
Relocate wrongly place entries in YARNs's CHANGES.txt (vinodkv)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580400 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10418. SaslRpcClient should not assume that remote principals are in the default_realm. Contributed by Aaron T. Myers.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580666 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3087. Decomissioning on NN restart can complete without blocks being replicated. Contributed by Rushabh S Shah.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580886 13f79535-47bb-0310-9956-ffa450edef68
YARN-1670. aggregated log writer can write more log data then it says is the log length (Mit Desai via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580957 13f79535-47bb-0310-9956-ffa450edef68
YARN-1838. Enhanced timeline service getEntities API to get entities from a given entity ID or insertion timestamp. Contributed by Billie Rinaldi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580960 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10015. UserGroupInformation prints out excessive warnings.  Contributed by Nicolas Liochon


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580977 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5791. Shuffle phase is slow in Windows - FadviseFileRegion::transferTo does not read disks efficiently. Contributed by Nikola Vujic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580994 13f79535-47bb-0310-9956-ffa450edef68
YARN-1852. Fixed RMAppAttempt to not resend AttemptFailed/AttemptKilled events to already recovered Failed/Killed RMApps. Contributed by Rohith Sharmaks

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1580997 13f79535-47bb-0310-9956-ffa450edef68