HDFS-6325. Append should fail if the last block has insufficient number of replicas (Keith Pak via cos)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1595744 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5867. Fix NPE in KillAMPreemptionPolicy related to ProportionalCapacityPreemptionPolicy. Contributed by Sunil G.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1595754 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6397. NN shows inconsistent value in deadnode count. Contributed by Mohammad Kamrul Islam.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1595978 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10489. UserGroupInformation#getTokens and UserGroupInformation#addToken can lead to ConcurrentModificationException. Contributed by Robert Kanter.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1596020 13f79535-47bb-0310-9956-ffa450edef68
Updated CHANGES.txt to reflect revert of HADOOP 10474 and 10485 from branch-2


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1596049 13f79535-47bb-0310-9956-ffa450edef68
Fix CRLFs in TestKillAMPreemptionPolicy.java

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1596058 13f79535-47bb-0310-9956-ffa450edef68
Add more tests (ugly, need cleanup). Add StorageType inference to callers of UnderReplicatedBlocks.update to fix bug.
Merge remote-tracking branch 'apache/trunk' into archival