YARN-525. make CS node-locality-delay refreshable. Contributed by Thomas Graves


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465009 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5007. fix coverage org.apache.hadoop.mapreduce.v2.hs (Aleksey Gorshkov via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465017 13f79535-47bb-0310-9956-ffa450edef68
YARN-193. Scheduler.normalizeRequest does not account for allocation requests that exceed maximumAllocation limits (Zhijie Shen via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465067 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4646. createNNProxyWithClientProtocol ignores configured timeout value. Contributed by Jagane Sundar 


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465121 13f79535-47bb-0310-9956-ffa450edef68
HDFS-1804. Add a new block-volume device choosing policy that looks at free space. Contributed by Aaron T. Myers.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465183 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5129. Allow tags to JobHistory for deeper analytics. Contributed by Billie Rinaldi.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465188 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4525. Provide an API for knowing that whether file is closed or not. Contributed by SreeHari.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465434 13f79535-47bb-0310-9956-ffa450edef68
YARN-479. NM retry behavior for connection to RM should be similar for lost heartbeats (Jian He via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465731 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3981. Fix handling of FSN lock in getBlockLocations. Contributed by Xiaobo Peng and Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1465751 13f79535-47bb-0310-9956-ffa450edef68