MAPREDUCE-4902. Fix typo "receievd" should be "received" in log output. Contributed by Albert Chu


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1426018 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4334. Add a unique id to INode.  Contributed by Brandon Li


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1426429 13f79535-47bb-0310-9956-ffa450edef68
YARN-225. Proxy Link in RM UI thows NPE in Secure mode (Devaraj K via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1426515 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4813. AM timing out during job commit (jlowe via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1426536 13f79535-47bb-0310-9956-ffa450edef68
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
Adding new umbilical protocol RPC, getAggregationTargets, for node-level combiner.

Signed-off-by: OZAWA <ozawa.tsuyoshi@lab.ntt.co.jp>
Adding aggregationWaitMap for node-level combiner.

Signed-off-by: OZAWA <ozawa.tsuyoshi@lab.ntt.co.jp>
Adding AggregationWaitMap to some components(MRAppMaster, TaskAttemptListener, JobImpl, MapTaskImpl).

Signed-off-by: OZAWA <ozawa.tsuyoshi@lab.ntt.co.jp>
Changed Mappers and Reducers to support Node-level aggregation

Signed-off-by: OZAWA <ozawa.tsuyoshi@lab.ntt.co.jp>