HADOOP-10710. hadoop.auth cookie is not properly constructed according to RFC2109. (Juan Yu via tucu)

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HDFS-6591. Merging change r1606927 from trunk to branch-2.

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HADOOP-10767. Merging change r1607133 from trunk to branch-2.

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YARN-1713. Added get-new-app and submit-app functionality to RM web services. Contributed by Varun Vasudev.
svn merge --ignore-ancestry -c 1607216 ../../trunk/


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YARN-2204. Explicitly enable vmem check in TestContainersMonitor#testContainerKillOnMemoryOverflow. (Anubhav Dhoot via kasha)

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HDFS-6603. Merging change r1607239 from trunk to branch-2.

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YARN-2065 AM cannot create new containers after restart

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HDFS-6612. MiniDFSNNTopology#simpleFederatedTopology(int) always hardcode nameservice ID. Contributed by Juan Yu.

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HDFS-6614. Merging change r1607447 from trunk to branch-2.

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HDFS-6604. The short-circuit cache doesn't correctly time out replicas that haven't been used in a while (cmccabe)

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YARN-2241. ZKRMStateStore: On startup, show nicer messages if znodes already exist. (Robert Kanter via kasha)

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YARN-2232. Fixed ResourceManager to allow DelegationToken owners to be able to cancel their own tokens in secure mode. Contributed by Varun Vasudev.
svn merge --ignore-ancestry -c 1607484 ../../trunk/


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YARN-2022. Fixing CHANGES.txt to be correctly placed.
svn merge --ignore-ancestry -c 1607486 ../../trunk/


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HDFS-6610. TestShortCircuitLocalRead tests sometimes timeout on slow machines. Contributed by Charles Lamb.

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MAPREDUCE-5900. Changed to the interpret container preemption exit code as a task attempt killing event. Contributed by Mayank Bansal.
svn merge --ignore-ancestry -c 1607512 ../../trunk/


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Preparing for release 2.6.0

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Preparing for 2.6.0 development. Updated versions.

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HADOOP-9361: Strictly define FileSystem APIs

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HADOOP-9361: Strictly define FileSystem APIs - HDFS portion

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HADOOP-9361: Strictly define FileSystem APIs - OpenStack portion

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