HDFS-6934. Move checksum computation off the hot path when writing to RAM disk. Contributed by Chris Nauroth.
HDFS-7278. Add a command that allows sysadmins to manually trigger full block reports from a DN (cmccabe)
YARN-2726. CapacityScheduler should explicitly log when an accessible label has no capacity. Contributed by Wangda Tan
YARN-2591. Fixed AHSWebServices to return FORBIDDEN(403) if the request user doesn't have access to the history data. Contributed by Zhijie Shen
HDFS-6934. Revert files accidentally committed.
YARN-2704. Changed ResourceManager to optionally obtain tokens itself for the sake of localization and log-aggregation for long-running services. Contributed by Jian He.
HDFS-5928. Show namespace and namenode ID on NN dfshealth page. Contributed by Siqi Li.
HDFS-7282. Fix intermittent TestShortCircuitCache and TestBlockReaderFactory failures resulting from TemporarySocketDirectory GC (Jinghui Wang via Colin P. McCabe)
HADOOP-10926. Improve test-patch.sh to apply binary diffs (cmccabe)
YARN-2502. Changed DistributedShell to support node labels. Contributed by Wangda Tan
MAPREDUCE-5933. Enabled MR AM to post history events to the timeline server. Contributed by Robert Kanter.
MAPREDUCE-6018. Added an MR specific config to enable emitting job history data to the timeline server. Contributed by Robert Kanter.
HADOOP-11233. hadoop.security.kms.client.encrypted.key.cache.expiry property spelled wrong in core-default. (Stephen Chu via yliu)
HDFS-6741. Improve permission denied message when FSPermissionChecker#checkOwner fails. Contributed by Stephen Chu and Harsh J. (harsh)
Revert "HADOOP-10926. Improve test-patch.sh to apply binary diffs (cmccabe)"

This reverts commit b0e19c9d54cecef191b91431f9ca62a76a000f45.
HDFS-6606. Optimize HDFS Encrypted Transport performance. (yliu)
YARN-2760. Remove 'experimental' from FairScheduler docs. (Harsh J via kasha)
RN-2279. Add UTs to cover timeline server authentication. Contributed by Zhijie Shen
HDFS-6663. Admin command to track file and locations from block id.
Contributed by Chen He.
HDFS-7213. processIncrementalBlockReport performance degradation.
Contributed by Eric Payne.