HADOOP-9049. DelegationTokenRenewer needs to be Singleton and FileSystems should register/deregister to/from. Contributed by Karthik Kambatla.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1412077 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4216. Do not ignore QuotaExceededException when adding symlinks.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1412237 13f79535-47bb-0310-9956-ffa450edef68
Merge r1410998 through r1412282 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2802@1412297 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4811. JobHistoryServer should show when it was started in WebUI About page. Contributed by Ravi Prakash


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1412377 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4764. repair TestBinaryTokenFile (Ivan A. Veselovsky via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1413739 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8992. Enhance unit-test coverage of class HarFileSystem (Ivan A. Veselovsky via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1413743 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9038. unit-tests for AllocatorPerContext.PathIterator (Ivan A. Veselovsky via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1413776 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4200. Reduce the size of synchronized sections in PacketResponder. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1413826 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9093. Move all the Exception in PathExceptions to o.a.h.fs package. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1413960 13f79535-47bb-0310-9956-ffa450edef68
YARN-204. test coverage for org.apache.hadoop.tools (Aleksey Gorshkov via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414239 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9084. Augment DelegationTokenRenewer API to cancel the tokens on calls to removeRenewAction. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414326 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9064. Ameding CHANGES.txt with correct JIRA ID, wrongfully used HADOOP-9084 before (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414347 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4209. Clean up the addNode/addChild/addChildNoQuotaCheck methods in FSDirectory and INodeDirectory.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414447 13f79535-47bb-0310-9956-ffa450edef68
Merge r1412283 through r1414454 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2802@1414456 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4214. OfflineEditsViewer should print out the offset at which it encountered an error. Contributed by Colin Patrick McCabe.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414500 13f79535-47bb-0310-9956-ffa450edef68
YARN-224. Fair scheduler logs too many nodeUpdate INFO messages. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414647 13f79535-47bb-0310-9956-ffa450edef68
YARN-222. Fair scheduler should create queue for each user by default. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414655 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4778. Fair scheduler event log is only written if directory exists on HDFS. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414729 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4825. JobImpl.finished doesn't expect ERROR as a final job state (jlowe via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414840 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4817. Hardcoded task ping timeout kills tasks localizing large amounts of data (tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1414873 13f79535-47bb-0310-9956-ffa450edef68