YARN-2910. FSLeafQueue can throw ConcurrentModificationException. (Wilfred Spiegelenburg via kasha)
HADOOP-11349. RawLocalFileSystem leaks file descriptor while creating a file if creat succeeds but chmod fails. (Varun Saxena via Colin P.  McCabe)
YARN-2930. Fixed TestRMRestart#testRMRestartRecoveringNodeLabelManager intermittent failure. Contributed by Wangda Tan
YARN-2924. Fixed RMAdminCLI to not convert node labels to lower case. Contributed by Wangda Tan
HDFS-7481. Add ACL indicator to the 'Permission Denied' exception. (Contributed by Vinayakumar B )