HDFS-4491. Parallel testing HDFS. Contributed by Andrey Klochkov.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520479 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4491. Add/delete files missed in prior commit.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520482 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5164.  DeleteSnapshot should check if OperationCategory.WRITE is possible before taking write lock (contributed by Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520492 13f79535-47bb-0310-9956-ffa450edef68
HDS-5118. Provide testing support for DFSClient to drop RPC responses. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520637 13f79535-47bb-0310-9956-ffa450edef68
Move HDFS-5118 to 2.1.1-beta section.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520650 13f79535-47bb-0310-9956-ffa450edef68
Fixing CHANGES.txt for YARN-758 as it is now merged into branch-2.1-beta.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520659 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4879. Add BlockedArrayList collection to avoid CMS full GCs (Contributed by Todd Lipcon)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520667 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8704. add request logging to jetty/httpserver (jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520674 13f79535-47bb-0310-9956-ffa450edef68
Revert HADOOP-9877 because of breakage reported in HADOOP-9912



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520713 13f79535-47bb-0310-9956-ffa450edef68
YARN-1107. Fixed a bug in ResourceManager because of which RM in secure mode fails to restart. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520726 13f79535-47bb-0310-9956-ffa450edef68
YARN-696. Changed RMWebservice apps call to take in multiple application states. Contributed by Trevor Lorimer.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520736 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9924. Addendum patch to address issue with an empty classpath entry on Windows. Contributed by Shanyu Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520903 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5170. BlockPlacementPolicyDefault uses the wrong classname when alerting to enable debug logging. (Andrew Wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520961 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5414. TestTaskAttempt fails in JDK7 with NPE. Contributed by Nemon Lou.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1520964 13f79535-47bb-0310-9956-ffa450edef68
YARN-1049. ContainerExistStatus should define a status for preempted containers. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1521036 13f79535-47bb-0310-9956-ffa450edef68
YARN-1144. Unmanaged AMs registering a tracking URI should not be proxy-fied. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1521039 13f79535-47bb-0310-9956-ffa450edef68
YARN-1152. Fixed a bug in ResourceManager that was causing clients to get invalid client token key errors when an appliation is about to finish. Contributed by Jason Lowe.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1521292 13f79535-47bb-0310-9956-ffa450edef68
YARN-910. Augmented auxiliary services to listen for container starts and completions in addition to application events. Contributed by Alejandro Abdelnur.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1521298 13f79535-47bb-0310-9956-ffa450edef68
YARN-292. Fixed FifoScheduler and FairScheduler to make their applications data structures thread safe to avoid RM crashing with ArrayIndexOutOfBoundsException. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1521328 13f79535-47bb-0310-9956-ffa450edef68
Amending yarn CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1521454 13f79535-47bb-0310-9956-ffa450edef68