HDFS-6800. Support Datanode layout changes with rolling upgrade. (Contributed by James Thomas)
YARN-2449. Fixed the bug that TimelineAuthenticationFilterInitializer is not automatically added when hadoop.http.filter.initializers is not configured. Contributed by Varun Vasudev.
YARN-2450. Fix typos in log messages. Contributed by Ray Chiang.
HADOOP-10911. hadoop.auth cookie after HADOOP-10710 still not proper according to RFC2109. (gchanan via tucu)
YARN-2447. RM web service app submission doesn't pass secrets correctly. Contributed by Varun Vasudev
HADOOP-10814. Update Tomcat version used by HttpFS and KMS to latest 6.x version. (rkanter via tucu)
MAPREDUCE-5931. Validate SleepJob command line parameters. Contributed by Gera Shegalov
HDFS-6774. Make FsDataset and DataStore support removing volumes. Contributed by Lei Xu.
YARN-2462. TestNodeManagerResync#testBlockNewContainerRequestsOnStartAndResync should have a test timeout. Contributed by Eric Payne
HADOOP-10994. KeyProviderCryptoExtension should use CryptoCodec for generation/decryption of keys. (tucu)
HADOOP-11021. Configurable replication factor in the hadoop archive command. Contributed by Zhe Zhang.
Add CHANGES.txt for HADOOP-11021.
HDFS-6972. TestRefreshUserMappings.testRefreshSuperUserGroupsConfiguration doesn't decode url correctly. Contributed by Yongjun Zhang.
HADOOP-11030. Define a variable jackson.version instead of using constant at multiple places. (Juan Yu via kasha)
YARN-2360. Fair Scheduler: Display dynamic fair share for queues on the scheduler page. (Ashwin Shankar and Wei Yan via kasha)