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HDFS-4544. Error in deleting blocks should not do check disk, for all types of errors. Contributed by Arpit Agarwal.

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MAPREDUCE-3685. Fix bugs in MergeManager to ensure compression codec is appropriately used and that on-disk segments are correctly sorted on file-size. Contributed by Anty Rao and Ravi Prakash.

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MAPREDUCE-5027. Shuffle does not limit number of outstanding connections (Robert Parker via jeagles)

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HDFS-4519. Support overriding jsvc binary and log file locations when launching secure datanode. Contributed by Chris Nauroth.

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HDFS-4540. Namenode http server should use the web authentication keytab for spnego principal. Contributed by Arpit Gupta.

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HADOOP-9232. JniBasedUnixGroupsMappingWithFallback fails on Windows with UnsatisfiedLinkError. Contributed by Ivan Mitic.

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HADOOP-9337. org.apache.hadoop.fs.DF.getMount() does not work on Mac OS. Contributed by Ivan A. Veselovsky.


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HADOOP-9356. Remove remaining references to cygwin/cygpath from scripts. Contributed by Chris Nauroth.

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HADOOP-9163 The rpc msg in ProtobufRpcEngine.proto should be moved out to avoid an extra copy (Sanjay Radia)


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YARN-345. Many InvalidStateTransitonException errors for ApplicationImpl in Node Manager. Contributed by Robert Parker


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HDFS-4541. Set hadoop.log.dir and hadoop.id.str when starting secure datanode to write the logs to right dir by default. Contributed by Arpit Gupta.

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HDFS-4128. 2NN gets stuck in inconsistent state if edit log replay fails in the middle (kihwal via daryn)


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MAPREDUCE-5043. Fetch failure processing can cause AM event queue to backup and eventually OOM (Jason Lowe via bobby)


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MAPREDUCE-4794. DefaultSpeculator generates error messages on normal shutdown (Jason Lowe via jeagles)

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YARN-410. Fixed RM UI so that the new lines diagnostics for a failed app on the per-application page are translated to html line breaks. Contributed by Omkar Vinit Joshi.


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HADOOP-9348. Address TODO in winutils to add more command line usage and examples. Contributed by Chris Nauroth.

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HADOOP-9347. Add instructions to BUILDING.txt describing how to build on Windows. Contributed by Chris Nauroth.

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YARN-376. Fixes a bug which would prevent the NM knowing about completed containers and applications. Contributed by Jason Lowe.


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MAPREDUCE-4896. mapred queue -info spits out ugly exception when queue does not exist. (sandyr via tucu)

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HADOOP-9349. Confusing output when running hadoop version from one hadoop installation when HADOOP_HOME points to another. (sandyr via tucu)

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YARN-406. Fix TestRackResolver to function in networks where "host1" resolves to a valid host. Contributed by Hitesh Shah.


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YARN-269. Resource Manager not logging the health_check_script result when taking it out. Contributed by Jason Lowe

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MAPREDUCE-4871. AM uses mapreduce.jobtracker.split.metainfo.maxsize but mapred-default has mapreduce.job.split.metainfo.maxsize (Jason Lowe via jeagles)

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