Merge -r 1355555:1355556 from trunk to branch. FIXES: HDFS-3491

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1355558 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3446. HostsFileReader silently ignores bad includes/excludes. Contributed by Matthew Jacobs.

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Merge -r 1355592:1355593 from trunk to branch. FIXES: HDFS-3580

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1355595 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8449. hadoop fs -text fails with compressed sequence files with the codec file extension (backported from trunk) (harsh)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1355637 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1355766 from trunk. Backport of MAPREDUCE-4253. Tests for mapreduce-client-core are lying under mapreduce-client-jobclient. Contributed by Tsuyoshi Ozawa. (harsh)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1355772 13f79535-47bb-0310-9956-ffa450edef68
Backport of HADOOP-6802. svn merge -c 1355784 from trunk. (harsh)


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Backport of HADOOP-3450. svn merge -c 1355789 from trunk. (harsh)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1355791 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8538. CMake builds fail on ARM. Contributed by Trevor Robinson


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1356042 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1356086 from trunk for HDFS-3157. Fix a bug in the case that the generation stamps of the stored block in a namenode and the reported block from a datanode do not match.


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Merge -r 1356329:1356330 from trunk to branch. FIXES: HDFS-3575

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HADOOP-8463. hadoop.security.auth_to_local needs a key definition and doc. Contributed by Madhukara Phatak


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1356514 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8533. Merging change r1356504 from trunk to branch-2

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HADOOP-8110. Fix trash checkpoint collisions (Jason Lowe via daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1356918 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3343. Improve metrics for DN read latency. Contributed by Andrew Wang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1356930 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3574. Fix small race and do some cleanup in GetImageServlet. Contributed by Todd Lipcon.

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HADOOP-8547. Package hadoop-pipes examples/bin directory (again). Contributed by Colin Patrick McCabe


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HDFS-3581. FSPermissionChecker#checkPermission sticky bit check missing range check. Contributed by Eli Collins


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Merge -r 1357722:1357723 from trunk to branch. FIXES: MAPREDUCE-4355

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svn merge -c 1357776 FIXES: MAPREDUCE-4392. Counters.makeCompactString() changed behavior from 0.20 (Jason Lowe via bobby)


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merge -r 1357810:1357811 from trunk. FIXES: HADOOP-8563

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