HDFS-5224. Refactor PathBasedCache* methods to use a Path rather than a String. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1531406 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5348. Fix error message when dfs.datanode.max.locked.memory is improperly configured. (Contributed by Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1531460 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5349. DNA_CACHE and DNA_UNCACHE should be by blockId only (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1532116 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5358. Add replication field to PathBasedCacheDirective. (Contributed by Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1532124 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5359. Allow LightWeightGSet#Iterator to remove elements. (Contributed by Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1532153 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5358: Add updated editsStored file for tests.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1532863 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5373. hdfs cacheadmin -addDirective short usage does not mention -replication parameter. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1532888 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5096. Automatically cache new data added to a cached path (contributed by Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1532924 13f79535-47bb-0310-9956-ffa450edef68
add missing file for HDFS-5096

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merge trunk to branch HDFS-4949

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1532952 13f79535-47bb-0310-9956-ffa450edef68
merge the rest of trunk to branch HDFS-4949

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1532967 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5375. hdfs.cmd does not expose several snapshot commands. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533165 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5379. Update links to datanode information in dfshealth.html. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533181 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5336. DataNode should not output StartupProgress metrics. Contributed by Akira Ajisaka.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533183 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10055. FileSystemShell.apt.vm doc has typo "numRepicas". Contributed by Akira Ajisaka.

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HDFS-5383. fix broken caching unit tests (Andrew Wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1533253 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5374. Remove deadcode in DFSOutputStream. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533258 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4511. Cover package org.apache.hadoop.hdfs.tools with unit test (Andrey Klochkov via jeagles)

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HDFS-5365. Fix libhdfs compile error on FreeBSD9. Contributed by Radim Kolar.

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HDFS-5365. Move attribution to 2.2.1 in CHANGES.txt.

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