YARN-1883. Merged into branch-2.4 also.
svn merge --ignore-ancestry -c 1582862 ../../trunk/ onto branch-2.4.
Fixed CHANGES.txt entries too.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586766 13f79535-47bb-0310-9956-ffa450edef68
YARN-1907. Merged into branch-2.4 also.
svn merge --ignore-ancestry -c 1585992 ../../trunk/ onto branch-2.4.
Fixed CHANGES.txt entries too.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586767 13f79535-47bb-0310-9956-ffa450edef68
YARN-1833. Relocating CHANGES.txt entry in trunk and branch-2 to the right location.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586769 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6232. OfflineEditsViewer throws a NPE on edits containing ACL modifications (ajisakaa via cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586790 13f79535-47bb-0310-9956-ffa450edef68
YARN-1923. Make Fair Scheduler resource ratio calculations terminate faster (Anubhav Dhoot via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586796 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6236. ImageServlet should use Time#monotonicNow to measure latency. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586902 13f79535-47bb-0310-9956-ffa450edef68