merge -r 1379092:1379093 from trunk. FIXES: HDFS-3861

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379097 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1379100. FIXES: HADOOP-8726. The Secrets in Credentials are not available to MR tasks (daryn and Benoy Antony via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379109 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4569. Fixed TestHsWebServicesJobsQuery to pass on JDK7 by not depending on test order. Contributed by Thomas Graves.
svn merge --ignore-ancestry -c 1379146 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379150 13f79535-47bb-0310-9956-ffa450edef68
YARN-63. RMNodeImpl is missing valid transitions from the UNHEALTHY state (Jason Lowe via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379501 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1379537 FIXES: HADOOP-8727. Gracefully deprecate dfs.umaskmode in 2.x onwards (Harsh J via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379544 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1379565 FIXES: YARN-66. aggregated logs permissions not set properly (tgraves via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379568 13f79535-47bb-0310-9956-ffa450edef68
YARN-60. Fixed a bug in ResourceManager which causes all NMs to get NPEs and thus causes all containers to be rejected. Contributed by Vinod Kumar Vavilapalli.
Corresponds to commit # 1379550 on trunk, separate patch for branch-0.23.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379571 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1379584 FIXES: MAPREDUCE-4612. job summary file permissions not set when its created (tgraves via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379586 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4614. Simplify debugging a job's tokens (daryn via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379597 13f79535-47bb-0310-9956-ffa450edef68
merge -r 1379601:1379602 from branch-2. FIXES: MAPREDUCE-4611

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379604 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3873. Hftp assumes security is disabled if token fetch fails (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379620 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1379617 from trunk FIXES: MAPREDUCE-4604. In mapred-default, mapreduce.map.maxattempts & mapreduce.reduce.maxattempts defaults are set to 4 as well as mapreduce.job.maxtaskfailures.per.tracker. (Ravi Prakash via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379625 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1379623 FIXES: HDFS-3852. TestHftpDelegationToken is broken after HADOOP-8225 (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379627 13f79535-47bb-0310-9956-ffa450edef68
YARN-60. Missed adding the new test to branch-0.23 before.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1379678 13f79535-47bb-0310-9956-ffa450edef68
Updated version numbers for 0.23.4 


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1380811 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1381317 FIXES: YARN-68. NodeManager will refuse to shutdown indefinitely due to container log aggregation (daryn via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1381320 13f79535-47bb-0310-9956-ffa450edef68
merge -r 1381459:1381460 from branch-2. FIXES: YARN-87

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1381461 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1381606 FIXES: HDFS-3890. filecontext mkdirs doesn't apply umask as expected (Tom Graves via daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1381610 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1381614 FIXES: MAPREDUCE-4633. history server doesn't set permissions on all subdirs (tgraves via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1381619 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1381784 FIXES: MAPREDUCE-4641. Exception in commitJob marks job as successful in job history (Jason Lowe via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1381787 13f79535-47bb-0310-9956-ffa450edef68