HADOOP-9618.  thread which detects GC pauses (Todd Lipcon via Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503810 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9683. [RPC v9] Wrap IpcConnectionContext in RPC headers (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503830 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4657.  Limit the number of blocks logged by the NN after a block report to a configurable value.  (Aaron Twinning Meyers via Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503864 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4999. Fix TestShortCircuitLocalRead on branch-2. Contributed by Colin Patrick McCabe.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503898 13f79535-47bb-0310-9956-ffa450edef68
Trivial fix for minor refactor error for YARN-521

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503922 13f79535-47bb-0310-9956-ffa450edef68
Merge r1503933 from trunk to branch-2 for YARN-513. Create common proxy client for communicating with RM (Xuan Gong & Jian He via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503935 13f79535-47bb-0310-9956-ffa450edef68
Merge r1503934 from trunk to branch-2 for MAPREDUCE-5398. MR changes for YARN-513 (Jian He via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503936 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
YARN-661. Fixed NM to cleanup users' local directories correctly when starting up. Contributed by Omkar Vinit Joshi.
svn merge --ignore-ancestry -c 1503942 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503943 13f79535-47bb-0310-9956-ffa450edef68
YARN-820. Fixed an invalid state transition in NodeManager caused by failing resource localization. Contributed by Mayank Bansal.
svn merge --ignore-ancestry -c 1503947 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503948 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1477344 to branch-2 to fix HDFS-4687.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503952 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1503954 FIXES: HADOOP-9734. Common protobuf definitions for GetUserMappingsProtocol, RefreshAuthorizationPolicyProtocol and RefreshUserMappingsProtocol. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503955 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1503957 FIXES: MAPREDUCE-5380. Invalid mapred command should return non-zero exit code. Contributed by Stephen Chu


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503958 13f79535-47bb-0310-9956-ffa450edef68
Merge r1503960 from trunk to branch-2 for YARN-927. Change ContainerRequest to not have more than 1 container count and remove StoreContainerRequest (bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503965 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1503971 merging to branch-2 fix HDFS-4998.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503972 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
svn merge -c 1503976 merging to branch-2 to fix HADOOP-9738. TestDistCh fails. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503977 13f79535-47bb-0310-9956-ffa450edef68
YARN-62. Modified NodeManagers to avoid AMs from abusing container tokens for repetitive container launches. Contributed by Omkar Vinit Joshi.
svn merge --ignore-ancestry -c 1503986 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1503987 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
YARN-912. Move client facing exceptions to yarn-api module. Contributed by Mayank Bansal.
svn merge --ignore-ancestry -c 1504032 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1504033 13f79535-47bb-0310-9956-ffa450edef68