YARN-716. Making ApplicationID immutable. Contributed by Siddharth Seth.
MAPREDUCE-5282. Updating MR App to use immutable ApplicationID after YARN-716. Contributed by Siddharth Seth.
svn merge --ignore-ancestry -c 1487994 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1487995 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5261. Reverting the patch as it is no longer needed.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488033 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
MAPREDUCE-5228. Bring back FileInputFormat.Counter and FileOuputFormat.Counter for binary compatibility with 1.x mapred APIs. Contributed by Mayank Bansal.
svn merge --ignore-ancestry -c 1488060 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488061 13f79535-47bb-0310-9956-ffa450edef68
Merged HADOOP-7391  svn merge -c 1488069


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488071 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
YARN-684. ContainerManager.startContainer should use ContainerTokenIdentifier instead of the entire Container. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488086 13f79535-47bb-0310-9956-ffa450edef68
merge MAPREDUCE-5286 from trunk. Change MapReduce to use ContainerTokenIdentifier instead of the entire Container in the startContainer call - YARN-684. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488088 13f79535-47bb-0310-9956-ffa450edef68
Merge r1480838 and r1480840 from trunk for merging HDFS Snapshot feature.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488089 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1483150 from trunk for HDFS-4826. TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488090 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1487643 from trunk for HDFS-4842. Identify the correct prior snapshot when deleting a snapshot under a renamed subtree.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488091 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
svn merge -c 1487647 from trunk for HDFS-4846. Clean up snapshot CLI commands output stacktrace for invalid arguments.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488093 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1487655 from trunk for HDFS-4857. Snapshot.Root and AbstractINodeDiff#snapshotINode should not be put into INodeMap when loading FSImage.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488094 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1487698 from trunk for HDFS-4863. The root directory should be added to the snapshottable directory list while loading fsimage.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488096 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1487942 from trunk for HDFS-4848. copyFromLocal and renaming a file to ".snapshot" should output hat ".snapshot" is a reserved name.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488097 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5176. Add annotation for tagging tasks as responsive to
preemption. Contributed by Carlo Curino, cdouglas


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488105 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
Merge branch 'branch-2-gd' of https://github.com/griddynamics/yhadoop-common into fb-YAHOO-276-branch-2-gd

Conflicts:
	hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/webapp/TestAppController.java