HDFS-7118. Improve diagnostics on storage directory rename operations by using NativeIO#renameTo in Storage#rename. Contributed by Chris Nauroth.
HDFS-7111. TestSafeMode assumes Unix line endings in safe mode tip. Contributed by Chris Nauroth.
HDFS-7127. TestLeaseRecovery leaks MiniDFSCluster instances. Contributed by Chris Nauroth.
MAPREDUCE-6109. Fix minor typo in distcp -p usage text (Charles Lamb via aw)
MAPREDUCE-6093. minor distcp doc edits (Charles Lamb via aw)
HDFS-6808. Add command line option to ask DataNode reload configuration. (Lei Xu via Colin McCabe)
HDFS-7119. Split error checks in AtomicFileOutputStream#close into separate conditions to improve diagnostics. Contributed by Chris Nauroth.
YARN-2523. ResourceManager UI showing negative value for "Decommissioned Nodes" field. Contributed by Rohith
HDFS-7131. During HA upgrade, JournalNode should create a new committedTxnId file in the current directory. Contributed by Jing Zhao.
YARN-2608. FairScheduler: Potential deadlocks in loading alloc files and clock access. (Wei Yan via kasha)
HDFS-7077. Separate CipherSuite from crypto protocol version. (wang)
Add HDFS-7148 to CHANGES.txt, branch-2 only commit.
HADOOP-11140. hadoop-aws only need test-scoped dependency on hadoop-common's tests jar. Contributed by Juan Yu.
MAPREDUCE-5831. Make MR client ignore unknown counters received from AM. Contributed by Junping Du.
CHANGES.txt: move HDFS-6584 and its subtasks to Release 2.6.0.
HDFS-6956. Allow dynamically changing the tracing level in Hadoop servers (cmccabe)
YARN-2577. Clarify ACL delimiter and how to configure ACL groups only (Mikos Christine via aw)
HADOOP-8808. Update FsShell documentation to mention deprecation of some of the commands, and mention alternatives (Akira AJISAKA via aw)
MAPREDUCE-6073. Description of mapreduce.job.speculative.slowtaskthreshold in mapred-default should be moved into description tags (Tsuyoshi OZAWA via aw)
HADOOP-10954. Adding site documents of hadoop-tools (Masatake Iwasaki via aw)