HDFS-7266. HDFS Peercache enabled check should not lock on object (awang via cmccabe)
HDFS-7154. Fix returning value of starting reconfiguration task (Lei Xu via Colin P. McCabe)
YARN-2701. Potential race condition in startLocalizer when using LinuxContainerExecutor. Contributed by Xuan Gong
Missing file for YARN-2701
Missing file for YARN-1879
YARN-2717. Avoided duplicate logging when container logs are not found. Contributed by Xuan Gong.
HDFS-7259. Unresponseive NFS mount point due to deferred COMMIT response. Contributed by Brandon Li
YARN-90. NodeManager should identify failed disks becoming good again. Contributed by Varun Vasudev
HDFS-7215.Add JvmPauseMonitor to NFS gateway. Contributed by Brandon Li
YARN-2720. Windows: Wildcard classpath variables not expanded against resources contained in archives. Contributed by Craig Welch.
HDFS-7221. TestDNFencingWithReplication fails consistently. Contributed by Charles Lamb.
Updated CHANGES.txt for HDFS-6581 merge into branch-2.6.
HDFS-7204. balancer doesn't run as a daemon (aw)
YARN-2709. Made timeline client getDelegationToken API retry if ConnectException happens. Contributed by Li Lu.
YARN-2715. Fixed ResourceManager to respect common configurations for proxy users/groups beyond just the YARN level config. Contributed by Zhijie Shen.
YARN-2721. Suppress NodeExist exception thrown by ZKRMStateStore when it retries creating znode. Contributed by Jian He.
YARN-2692 ktutil test hanging on some machines/ktutil versions (stevel)
MAPREDUCE-6126. Fixed Rumen JobBuilder to ignore NormalizedResourceEvent. Contributed by Junping Du
HDFS-7228. Fix TestDNFencing.testQueueingWithAppend. Contributed by Yongjun Zhang.
Updated CHANGES.txt to move MAPREDUCE-6126 to 2.6