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
HDFS-6050. NFS does not handle exceptions correctly in a few places. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581055 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6135. In HDFS upgrade with HA setup, JournalNode cannot handle layout version bump when rolling back. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581070 13f79535-47bb-0310-9956-ffa450edef68
Move HDFS-5138 to 2.4.0 section in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1581074 13f79535-47bb-0310-9956-ffa450edef68