YARN-852. Merging change r1494733 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494735 13f79535-47bb-0310-9956-ffa450edef68
Fix up a little test failure.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494789 13f79535-47bb-0310-9956-ffa450edef68
merge MAPREDUCE-5334 from trunk. Fix failing unit tests - TestContainerLauncher, TestContainerLauncherImpl. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494821 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8608. Add Configuration API for parsing time durations.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494825 13f79535-47bb-0310-9956-ffa450edef68
Cleanup CHANGES.txt and move some of the jiras to the right section

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494832 13f79535-47bb-0310-9956-ffa450edef68
YARN-854. Fixing YARN bugs that are failing applications in secure environment. Contributed by Omkar Vinit Joshi.
svn merge --ignore-ancestry -c 1494845 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494846 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1494854 from trunk for HDFS-4914. Use DFSClient.Conf instead of Configuration.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494855 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1494858 from trunk for HDFS-4908. Reduce snapshot inode memory usage.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494859 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9451. Fault single-layer config if node group topology is enabled. (Junping Du via llu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1494889 13f79535-47bb-0310-9956-ffa450edef68
YARN-478. fix coverage org.apache.hadoop.yarn.webapp.log (Aleksey Gorshkov via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495132 13f79535-47bb-0310-9956-ffa450edef68
Merge r1495160 from trunk to branch-2 for YARN-861. TestContainerManager is failing. Contributed by Vinod Kumar Vavilapalli.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495162 13f79535-47bb-0310-9956-ffa450edef68
YARN-851. Share NMTokens using NMTokenCache (api-based) between AMRMClient and NMClient instead of memory based approach which is used currently. Contributed by Omkar Vinit Joshi.
svn merge --ignore-ancestry -c 1495247 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495248 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4883. complete() should verify fileId. Contributed by Tao Luo.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495312 13f79535-47bb-0310-9956-ffa450edef68
YARN-866. Add test for class ResourceWeights. (ywskycn via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495496 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4772. Merging change r1495253 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495535 13f79535-47bb-0310-9956-ffa450edef68
Merge r1495533 from trunk to branch-2 for YARN-827. Need to make Resource arithmetic methods accessible (Jian He via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495538 13f79535-47bb-0310-9956-ffa450edef68
Update CHANGES.txt to move HDFS-4772 to 2.1.0 section

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495542 13f79535-47bb-0310-9956-ffa450edef68
Merged HADOOP-9619 svn merge -c 1495564


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495573 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1495577 FIXES: HADOOP-9421. [RPC v9] Convert SASL to use ProtoBuf and provide negotiation capabilities (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495581 13f79535-47bb-0310-9956-ffa450edef68
Deleting files missed for YARN-827

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1495631 13f79535-47bb-0310-9956-ffa450edef68