MAPREDUCE-4974. Optimising the LineRecordReader initialize() method (Gelesh via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1468232 13f79535-47bb-0310-9956-ffa450edef68
YARN-444. Moved special container exit codes from YarnConfiguration to API where they belong. Contributed by Sandy Ryza.
MAPREDUCE-5151. Updated MR AM to use standard exit codes from the API after YARN-444. Contributed by Sandy Ryza.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1468276 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4693. Some test cases in TestCheckpoint do not clean up after themselves. Contributed by Arpit Agarwal and Suresh.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1468457 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5015. Coverage fix for org.apache.hadoop.mapreduce.tools.CLI (Aleksey Gorshkov via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1468483 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5065. DistCp should skip checksum comparisons if block-sizes are different on source/target. Contributed by Mithun Radhakrishnan.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1468629 13f79535-47bb-0310-9956-ffa450edef68
Fix HADOOP-9467 attribution.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1468731 13f79535-47bb-0310-9956-ffa450edef68
YARN-500. Fixed YARN webapps to not roll-over ports when explicitly asked to use non-ephemeral ports. Contributed by Kenji Kikushima.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1468739 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'apache/trunk' into YARN-514
Fix format