HADOOP-9267. hadoop -help, -h, --help should show usage instructions. Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449162 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4304. Make FSEditLogOp.MAX_OP_SIZE configurable. Contributed by Colin Patrick McCabe.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449219 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4269. DatanodeManager#registerDatanode rejects all datanode registrations
from localhost in single-node developer setup  (Contributed by Chris Nauroth)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449256 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9279. Merging change r1449543 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449544 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8569. CMakeLists.txt: define _GNU_SOURCE and _LARGEFILE_SOURCE. Contributed by Colin Patrick McCabe.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449923 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9323. Merge change 1449977 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449979 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4235. When outputting XML, OfflineEditsViewer can't handle some edits containing non-ASCII strings. Contributed by Colin Patrick McCabe.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449985 13f79535-47bb-0310-9956-ffa450edef68
YARN-390. Merge r1449980 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449986 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-7487. DF should throw a more reasonable exception when mount cannot be determined. Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1449994 13f79535-47bb-0310-9956-ffa450edef68
merge YARN-365 from trunk. Change NM heartbeat handling to not generate a scheduler event on each heartbeat. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450008 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9334. Merge change 1450463 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450475 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8917. Merge 1450571 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450572 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8917. Changed contributed by from Arpit Agarwal to Arpit Gupta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450576 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5033. mapred shell script should respect usage flags (--help -help -h). Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450585 13f79535-47bb-0310-9956-ffa450edef68
Merge -r 1450722:1450723 from trunk to branch-2. Fixes: MAPREDUCE-5008. Merger progress miscounts with respect to EOF_MARKER. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450724 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1450807 FIXES: YARN-426. Failure to download a public resource prevents further downloads (Jason Lowe via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450811 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4892. Modify CombineFileInputFormat to not skew input slits' allocation on small clusters. Contributed by Bikas Saha.
svn merge --ignore-ancestry -c 1450912 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450915 13f79535-47bb-0310-9956-ffa450edef68
merge MAPREDUCE-4693 from trunk. Historyserver should include counters for failed tasks. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450957 13f79535-47bb-0310-9956-ffa450edef68
svn merge -r 1450962:1450963 Merging from trunk to branch-2 to fix HADOOP-9339

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450966 13f79535-47bb-0310-9956-ffa450edef68
Typo in CHANGES.txt for HADOOP-9339

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1450971 13f79535-47bb-0310-9956-ffa450edef68