HDFS-5809. BlockPoolSliceScanner and high speed hdfs appending make datanode to drop into infinite loop (cmccabe)

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svn merge -c 1610829 FIXES: Addendum patch for HADOOP-10468 TestMetricsSystemImpl.testMultiThreadedPublish fails intermediately. Contributed by Akira AJISAKA


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HDFS-6456. Merging change r1610840 from trunk

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HADOOP-7664. Merging change r1182645 from trunk to branch-2.

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YARN-2233. Implemented ResourceManager web-services to create, renew and cancel delegation tokens. Contributed by Varun Vasudev.
svn merge --ignore-ancestry -c 1610876 ../../trunk/


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HADOOP-10673. Merge change r1610879 from trunk.

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YARN-1408 Preemption caused Invalid State Event: ACQUIRED at KILLED and caused a task timeout for 30mins. (Sunil G via mayank)

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HADOOP-10845. Merging change r1610911 from trunk to branch-2.

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Merged revision(s) 1610964 from hadoop/common/trunk:
HADOOP-9921. daemon scripts should remove pid file on stop call after stop or process is found not running ( Contributed by Vinayakumar B)


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HDFS-5624. Merging change r1611068 from trunk to branch-2.

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Merge r1611126 from trunk. YARN-2264. Fixed a race condition in DrainDispatcher which may cause random test failures. Contributed by Li Lu

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HADOOP-10839. Merging change r1611134 from trunk to branch-2.

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HDFS-6689. Merging change r1611135 from trunk

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MAPREDUCE-5952. LocalContainerLauncher#renameMapOutputForReduce incorrectly assumes a single dir for mapOutIndex. (Gera Shegalov via kasha)

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MAPREDUCE-5971. Move the default options for distcp -p to DistCpOptionSwitch. Contributed by Charles Lamb.

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YARN-2219. Changed ResourceManager to avoid AMs and NMs getting exceptions after RM recovery but before scheduler learns about apps and app-attempts. Contributed by Jian He.
svn merge --ignore-ancestry -c 1611222 ../../trunk/


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HDFS-6690. Deduplicate xattr names in memory. (wang)

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Merge r1611240 from trunk. Addendum patch for YARN-2219

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HADOOP-10607. Create an API to separate credentials/password storage from 
applications. (Larry McCay via omalley)


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HADOOP-10607 Forgot the CHANGES.txt.


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