YARN-1408 Preemption caused Invalid State Event: ACQUIRED at KILLED and caused a task timeout for 30mins. (Sunil G via mayank)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1610860 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-7664. Move attribution to release 2.6.0 section in CHANGES.txt.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1610873 13f79535-47bb-0310-9956-ffa450edef68
YARN-2233. Implemented ResourceManager web-services to create, renew and cancel delegation tokens. Contributed by Varun Vasudev.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1610876 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10673. Update rpc metrics when the call throws an exception. Contributed by Ming Ma.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1610879 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10845. Add common tests for ACLs in combination with viewfs. Contributed by Stephen Chu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1610911 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9921. daemon scripts should remove pid file on stop call after stop or process is found not running ( Contributed by Vinayakumar B)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1610964 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10824. Refactor KMSACLs to avoid locking. (Benoy Antony via umamahesh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1610969 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5624. Add HDFS tests for ACLs in combination with viewfs. Contributed by Stephen Chu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611068 13f79535-47bb-0310-9956-ffa450edef68
YARN-2264. Fixed a race condition in DrainDispatcher which may cause random test failures. Contributed by Li Lu

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611126 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10839. Add unregisterSource() to MetricsSystem API. Contributed by Shanyu Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611134 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6689. NFS doesn't return correct lookup access for direcories. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611135 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5952. LocalContainerLauncher#renameMapOutputForReduce incorrectly assumes a single dir for mapOutIndex. (Gera Shegalov via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611196 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5971. Move the default options for distcp -p to DistCpOptionSwitch. Contributed by Charles Lamb.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611217 13f79535-47bb-0310-9956-ffa450edef68
HDFS-2538. option to disable fsck dots. Contributed by Mohammad Kamrul Islam.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611220 13f79535-47bb-0310-9956-ffa450edef68
YARN-2219. Changed ResourceManager to avoid AMs and NMs getting exceptions after RM recovery but before scheduler learns about apps and app-attempts. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611222 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6690. Deduplicate xattr names in memory. (wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611226 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10816. KeyShell returns -1 on error to the shell, should be 1. (Mike Yoder via wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611229 13f79535-47bb-0310-9956-ffa450edef68
YARN-2219. Addendum patch for YARN-2219

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611240 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10840. Fix OutOfMemoryError caused by metrics system in Azure File System. Contributed by Shanyu Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611247 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6478. RemoteException can't be retried properly for non-HA scenario. Contributed by Ming Ma.

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