Updated CHANGES.txt in preparation for 0.23.5 release


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svn merge -c 1409827 FIXES: YARN-188. Coverage fixing for CapacityScheduler (Aleksey Gorshkov via bobby)


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svn merge -c 1409848 FIXES: HDFS-4104. dfs -test -d prints inappropriate error on nonexistent directory (Andy Isaacson via daryn)


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Revert HADOOP-9042.


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Merge HDFS-3623. BKJM: zkLatchWaitTimeout hard coded to 6000. Make use of ZKSessionTimeout instead. Contributed by Uma Maheswara Rao G.



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HADOOP-6607. Add different variants of non caching HTTP headers. (tucu)

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svn merge -c 1409988 FIXES: HDFS-4186 logSync() is called with the write lock held while releasing lease (Kihwal Lee via daryn)


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svn merge -c 1410018 FIXES: HADOOP-9035. Generalize setup of LoginContext (daryn via bobby)


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svn merge -c 1410131 FIXES: MAPREDUCE-4801. ShuffleHandler can generate large logs due to prematurely closed channels (jlowe via bobby)


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svn merge -c 1410498 FIXES: MAPREDUCE-4802. Takes a long time to load the task list on the AM for large jobs (Ravi Prakash via bobby)


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svn merge -c 1410522 FIXES: YARN-214. RMContainerImpl does not handle event EXPIRE at state RUNNING (jeagles via bobby)


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svn merge -c 1410564 FIXES: YARN-151. Browser thinks RM main page JS is taking too long (Ravi Prakash via bobby)


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HDFS-3507. DFS#isInSafeMode needs to execute only on Active NameNode. Contributed by Vinay.


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MAPREDUCE-4800. Cleanup o.a.h.mapred.MapTaskStatus - remove unused code. (kkambatl via tucu)

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Merged r1410691 from trunk for HDFS-4105.


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HDFS-4156. Seeking to a negative position should throw an IOE. Contributed by Eli Reisman


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Amend HDFS-4156.


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HDFS-4171. WebHDFS and HttpFs should accept only valid Unix user names. (tucu)

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YARN-184. Remove unnecessary locking in fair scheduler, and address findbugs excludes. (sandyr via tucu)

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Merge branch 'branch-2' of github.com:griddynamics/yhadoop-common into branch-2-gd