Merge r1580077 from trunk. YARN-1849. Fixed NPE in ResourceTrackerService#registerNodeManager for UAM. Contributed by Karthik Kambatla

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580078 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.
svn merge --ignore-ancestry -c 1580087 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580088 13f79535-47bb-0310-9956-ffa450edef68
YARN-1863. Fixed test failure in TestRMFailover after YARN-1859. Contributed by Xuan Gong.
svn merge --ignore-ancestry -c 1580094 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580095 13f79535-47bb-0310-9956-ffa450edef68
YARN-1854. Fixed test failure in TestRMHA#testStartAndTransitions. Contributed by Rohith Sharma KS.
svn merge --ignore-ancestry -c 1580097 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580098 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.
svn merge --ignore-ancestry -c 1580100 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580101 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/branches/branch-2@1580129 13f79535-47bb-0310-9956-ffa450edef68
Merge r1580154 from trunk. YARN-1776. Fixed DelegationToken renewal to survive RM failover. Contributed by Zhijie Shen

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580156 13f79535-47bb-0310-9956-ffa450edef68
YARN-1577. Made UnmanagedAMLauncher do launchAM after the attempt reaches the LAUNCHED state. Contributed by Jian He.
svn merge --ignore-ancestry -c 1580164 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580165 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10191. Merging change r1580170 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580171 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6140. Merging change r1580173 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580174 13f79535-47bb-0310-9956-ffa450edef68
Relocate wrongly place entries in YARNs's CHANGES.txt (vinodkv)
svn merge --ignore-ancestry -c 1580400 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580401 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/branches/branch-2@1580667 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1580886 merging from trunk to branch-2 to fix: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/branches/branch-2@1580888 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.
svn merge --ignore-ancestry -c 1580960 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580961 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/branches/branch-2@1580963 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1580977 from trunk for HADOOP-10015. UserGroupInformation prints out excessive warnings.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580978 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5791. Merging change r1580994 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1580996 13f79535-47bb-0310-9956-ffa450edef68
Add target, .classpath, .project and .settings to svn:ignore.


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Merge r1580997 from trunk. 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/branches/branch-2@1581001 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6050. Merging change r1581055 from trunk

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