HDFS-3163. TestHDFSCLI.testAll fails if user name is not all lowercase. Contributed by Brandon Li.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1367337 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4036. Streaming TestUlimit fails on CentOS 6. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1368134 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3667.  Add retry support to WebHdfsFileSystem.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1368350 13f79535-47bb-0310-9956-ffa450edef68
HDFS-528. Backport: Add ability for safemode to wait for a minimum number of live datanodes. 


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1368353 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3697. Enable fadvise readahead by default. Contributed by Todd Lipcon


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MAPREDUCE-3289. Make use of fadvise in the NM's shuffle handler. (Contributed by Todd Lipcon and Brandon Li)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1368724 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-987 change description modified to to keep it within 80 chars

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HDFS-385. Backport: Add support for an experimental API that allows a module external to HDFS to specify how HDFS blocks should be placed.  Contributed by Sumadhur Reddy Bolli


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1369798 13f79535-47bb-0310-9956-ffa450edef68
Remove FSNamesystem.java.orig added by the previous commit (1369798).


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1369802 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3754. BlockSender doesn't shutdown ReadaheadPool threads. Contributed by Eli Collins


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MAPREDUCE-4488. Port MAPREDUCE-463 (The job setup and cleanup tasks should be optional) to branch-1.

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HADOOP-8656 Backport forced daemon shutdown of HADOOP-8353 into branch-1

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HDFS-3658. Fix bugs in TestDFSClientRetries and add more tests.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1372708 13f79535-47bb-0310-9956-ffa450edef68
bundle snappy
HADOOP-7754. Expose file descriptors from Hadoop-wrapped local FileSystems (todd and ahmed via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1373241 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4511. Add IFile readahead (ahmed via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1373672 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4558. Disable TestJobTrackerSafeMode (Contributed by Siddharth Seth)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1374095 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3814. Make the replication monitor multipliers configurable in 1.x. Contributed by Jing Zhao

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HADOOP-8611. Allow fall-back to the shell-based implementation when JNI-based users-group mapping fails (Robert Parker via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1375226 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4567. Fix failing TestJobKillAndFail in branch-1.

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