MAPREDUCE-5047. keep.failed.task.files=true causes job failure on secure clusters. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1455283 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9379. capture the ulimit info after printing the log to the console. Contributed by Arpit Gupta.

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