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[MAPREDUCE-5042] Reducer unable to fetch for a map task that was recovered - MapReduce - [issue]
...If an application attempt fails and is relaunched the AM will try to recover previously completed tasks.  If a reducer needs to fetch the output of a map task attempt that was recovered...
http://issues.apache.org/jira/browse/MAPREDUCE-5042    Author: Jason Lowe, 2014-09-03, 23:57
[MAPREDUCE-5027] Shuffle does not limit number of outstanding connections - MapReduce - [issue]
...The ShuffleHandler does not have any configurable limits to the number of outstanding connections allowed.  Therefore a node with many map outputs and many reducers in the cluster tryin...
http://issues.apache.org/jira/browse/MAPREDUCE-5027    Author: Jason Lowe, 2014-09-03, 23:57
[MAPREDUCE-5456] TestFetcher.testCopyFromHostExtraBytes is missing - MapReduce - [issue]
...I noticed that the test to verify the fix from MAPREDUCE-5308 was deleted by MAPREDUCE-5194.  It looks like an accidental deletion from an upmerge.  We should reinstate this unit t...
http://issues.apache.org/jira/browse/MAPREDUCE-5456    Author: Jason Lowe, 2014-09-03, 21:33
[MAPREDUCE-5888] Failed job leaves hung AM after it unregisters - MapReduce - [issue]
...When a job fails the AM hangs during shutdown.  A non-daemon thread pool executor thread prevents the JVM teardown from completing, and the AM lingers on the cluster for the AM expiry i...
http://issues.apache.org/jira/browse/MAPREDUCE-5888    Author: Jason Lowe, 2014-09-03, 21:33
[MAPREDUCE-6021] MR AM should have working directory in LD_LIBRARY_PATH - MapReduce - [issue]
...Tasks implicitly pick up shared libraries added to the job because the task launch context explicitly adds the container working directory to LD_LIBRARY_PATH.  However the same is not d...
http://issues.apache.org/jira/browse/MAPREDUCE-6021    Author: Jason Lowe, 2014-09-03, 20:49
[MAPREDUCE-6010] HistoryServerFileSystemStateStore fails to update tokens - MapReduce - [issue]
...When token recovery is enabled and the file system state store is being used then tokens fail to be updated due to a rename destination conflict....
http://issues.apache.org/jira/browse/MAPREDUCE-6010    Author: Jason Lowe, 2014-09-03, 20:49
[MAPREDUCE-5885] build/test/test.mapred.spill causes release audit warnings - MapReduce - [issue]
...Multiple unit tests are creating files under hadoop-mapreduce-client-jobclient/build/test/test.mapred.spill which are causing release audit warnings during Jenkins patch precommit builds. &n...
http://issues.apache.org/jira/browse/MAPREDUCE-5885    Author: Jason Lowe, 2014-08-27, 16:33
[MAPREDUCE-4818] Easier identification of tasks that timeout during localization - MapReduce - [issue]
...When a task is taking too long to localize and is killed by the AM due to task timeout, the job UI/history is not very helpful.  The attempt simply lists a diagnostic stating it was kil...
http://issues.apache.org/jira/browse/MAPREDUCE-4818    Author: Jason Lowe, 2014-08-25, 14:28
[MAPREDUCE-4815] FileOutputCommitter.commitJob can be very slow for jobs with many output files - MapReduce - [issue]
...If a job generates many files to commit then the commitJob method call at the end of the job can take minutes.  This is a performance regression from 1.x, as 1.x had the tasks commit di...
http://issues.apache.org/jira/browse/MAPREDUCE-4815    Author: Jason Lowe, 2014-08-23, 00:48
Re: [VOTE] Migration from subversion to git for version control - MapReduce - [mail # dev]
...+1JasonOn 08/08/2014 09:57 PM, Karthik Kambatla wrote: ...
   Author: Jason Lowe, 2014-08-10, 20:45
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