HDFS-4308. addBlock() should persist file blocks once. Contributed by Plamen Jeliazkov.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1426700 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4347. Avoid infinite waiting checkpoint to complete in TestBackupNode. Contributed by Plamen Jeliazkov.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1426705 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
HDFS-4349. Add test for reading files from BackupNode. Contributed by Konstantin Shvachko.

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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
MAPREDUCE-4884. Streaming tests fail to start MiniMRCluster due to missing queue configuration. Contributed by Chris Nauroth.

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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
YARN-293. Node Manager leaks LocalizerRunner object for every Container. Contributed by Robert Joseph Evans


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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
HDFS-4338. TestNameNodeMetrics#testCorruptBlock is flaky. Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428144 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4346. Add SequentialNumber as a base class for INodeId and GenerationStamp.


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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
YARN-192. Node update causes NPE in the fair scheduler. Contributed by Sandy Ryza

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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
YARN-288. Fair scheduler queue doesn't accept any jobs when ACLs are configured. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428362 13f79535-47bb-0310-9956-ffa450edef68
YARN-300. After YARN-271, fair scheduler can infinite loop and not schedule any application. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428387 13f79535-47bb-0310-9956-ffa450edef68
YARN-301. Fair scheduler throws ConcurrentModificationException when iterating over app's priorities. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428400 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4279. getClusterStatus() fails with null pointer exception when running jobs in local mode (Devaraj K via bobby)


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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd