HDFS-7107. Avoid Findbugs warning for synchronization on AbstractNNFailoverProxyProvider#fallbackToSimpleAuth. Contributed by Chris Nauroth.
HDFS-7109. TestDataStorage does not release file locks between tests. Contributed by Chris Nauroth.
HDFS-7110. Skip tests related to short-circuit read on platforms that do not currently implement short-circuit read. Contributed by Chris Nauroth.
YARN-2452. TestRMApplicationHistoryWriter fails with FairScheduler. (Zhihai Xu via kasha)
HDFS-6987. Move CipherSuite xattr information up to the encryption zone root. Contributed by Zhe Zhang.
HADOOP-10131. NetWorkTopology#countNumOfAvailableNodes() is returning wrong value if excluded nodes passed are not part of the cluster tree (Contributed by Vinayakumar B)
YARN-2453. TestProportionalCapacityPreemptionPolicy fails with FairScheduler. (Zhihai Xu via kasha)
MAPREDUCE-6095. Enable DistributedCache for uber-mode Jobs. Contributed by Gera Shegalov
HDFS-7115. TestEncryptionZones assumes Unix path separator for KMS key store path. Contributed by Xiaoyu Yao.
MAPREDUCE-5279. Made MR headroom calculation honor cpu dimension when YARN scheduler resource type is memory plus cpu. Contributed by Peng Zhang and Varun Vasudev.
YARN-1372. Ensure all completed containers are reported to the AMs across RM restart. Contributed by Anubhav Dhoot
HDFS-7106. Reconfiguring DataNode volumes does not release the lock files in removed volumes. (cnauroth via cmccabe)
YARN-2540. FairScheduler: Queue filters not working on scheduler page in RM UI. (Ashwin Shankar via kasha)
YARN-2539. FairScheduler: Set the default value for maxAMShare to 0.5. (Wei Yan via kasha)
HDFS-7001. Tests in TestTracing should not depend on the order of execution. (iwasakims via cmccabe)
Merge branch 'trunk' into HDFS-6581