MAPREDUCE-4892. Modify CombineFileInputFormat to not skew input slits' allocation on small clusters. Contributed by Bikas Saha.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450912 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4693. Historyserver should provide counters for failed tasks. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450956 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9339. IPC.Server incorrectly sets UGI auth type. Contributed by Daryn Sharp

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450963 13f79535-47bb-0310-9956-ffa450edef68
Typo in CHANGES.txt for HADOOP-9339

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