https://issues.apache.org/jira/browse/YARN-223
https://issues.apache.org/jira/browse/YARN-210
https://issues.apache.org/jira/browse/YARN-211
https://issues.apache.org/jira/browse/MAPREDUCE-4839
https://issues.apache.org/jira/browse/HADOOP-9088
https://issues.apache.org/jira/browse/MAPREDUCE-4827
HADOOP-8698 too
https://issues.apache.org/jira/browse/YARN-223
https://issues.apache.org/jira/browse/YARN-210
https://issues.apache.org/jira/browse/YARN-211
https://issues.apache.org/jira/browse/MAPREDUCE-4839
https://issues.apache.org/jira/browse/HADOOP-9088
https://issues.apache.org/jira/browse/MAPREDUCE-4827
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