YARN-2242. Addendum patch. Improve exception information on AM launch crashes. (Contributed by Li Lu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612565 13f79535-47bb-0310-9956-ffa450edef68
YARN-2319. Made the MiniKdc instance start/close before/after the class of TestRMWebServicesDelegationTokens. Contributed by Wenwu Peng.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612588 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10826. Iteration on KeyProviderFactory.serviceLoader is thread-unsafe. (benoyantony viat tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612594 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10864. Tool documentenation is broken. (Contributed by Akira Ajisaka)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612609 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6704. Fix the command to launch JournalNode in HDFS-HA document. Contributed by Akira AJISAKA.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612613 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6701. Make seed optional in NetworkTopology#sortByDistance. Contributed by Ashwin Shankar.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612625 13f79535-47bb-0310-9956-ffa450edef68
YARN-2295. Refactored DistributedShell to use public APIs of protocol records. Contributed by Li Lu

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YARN-2131. Addendum2: Document -format-state-store. Add a way to format the RMStateStore. (Robert Kanter via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612634 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5963. ShuffleHandler DB schema should be versioned with compatible/incompatible changes. Contributed by Junping Du


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612652 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6712. Document HDFS Multihoming Settings. (Contributed by Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612695 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6703. NFS: Files can be deleted from a read-only mount. Contributed by Srikanth Upputuri

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612702 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6731. Run 'hdfs zkfc -formatZK' on a server in a non-namenode will cause a null pointer exception. Contributed by Masatake Iwasaki

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612715 13f79535-47bb-0310-9956-ffa450edef68
YARN-2273. NPE in ContinuousScheduling thread when we lose a node. (Wei Yan via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612720 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10855. Allow Text to be read with a known Length. Contributed by Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612731 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10881. Clarify usage of encryption and encrypted encryption key in KeyProviderCryptoExtension. (wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612737 13f79535-47bb-0310-9956-ffa450edef68
YARN-2313. Livelock can occur in FairScheduler when there are lots of running apps (Tsuyoshi Ozawa via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612769 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6686. Change BlockPlacementPolicy to use fallback when some storage types are unavailable.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-6584@1612880 13f79535-47bb-0310-9956-ffa450edef68
Merge r1609845 through r1612880 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-6584@1612883 13f79535-47bb-0310-9956-ffa450edef68