MAPREDUCE-5231. Bring back a constructor in mapred's DBInputFormat.DBRecordReader for binary compatibility with 1.x mapred APIs. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1488436 13f79535-47bb-0310-9956-ffa450edef68
YARN-735. Make ApplicationAttemptId, ContainerId and NodeId immutable. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1488439 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5273. Bring back a couple of protected variables in mapred and mapreduce CombineFileRecordReader for binary compatibility with 1.x APIs. Contributed by Mayank Bansal.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1488442 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HDFS-4312-trunk-gd