HADOOP-9635. Fix potential stack overflow in DomainSocket.c (V. Karthik Kumar via cmccabe)



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1491943 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9532. Merging change r1478072 from trunk to branch-2

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1491953 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9625. Merging change r1491907 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1491959 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4873. Merging change r1491957 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1491964 13f79535-47bb-0310-9956-ffa450edef68
Merge -c 1491989 from trunk to branch-2 to fix RN-767. Initialize application metrics at RM bootup. Contributed by Jian He.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1491990 13f79535-47bb-0310-9956-ffa450edef68
merge TEZ-731 from trunk. RPCUtil.unwrapAndThrowException should unwrap remote RuntimeExceptions. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1492001 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
Merge remote branch 'origin/branch-2-gd' into fb-HADOOP-9078-branch-2-gd