MAPREDUCE-4967. TestJvmReuse fails on assertion. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1442828 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4434. Backport MR-2779 (JobSplitWriter.java can't handle large job.split file) to branch-1. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1442830 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4970. Child tasks (try to) create security audit log files. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1442831 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9124. SortedMapWritable violates contract of Map interface for equals() and hashCode(). Contributed by Surenkumar Nihalani

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1443395 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9253. Capture ulimit info in the logs at service start time. Contributed by Arpit Gupta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1443525 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4643. Make job-history cleanup-period configurable. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1444266 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4466. Remove the deadlock from AbstractDelegationTokenSecretManager. Contributed by Brandon Li.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1445963 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9154. SortedMapWritable#putAll() doesn't add key/value classes to the map. Contributed by Karthik Kambatla.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1446187 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4643. Addendum, make job-history cleanup-period configurable. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1446352 13f79535-47bb-0310-9956-ffa450edef68