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[MAPREDUCE-4808] Refactor MapOutput and MergeManager to facilitate reuse by Shuffle implementations - MapReduce - [issue]
...Now that Shuffle is pluggable (MAPREDUCE-4049), it would be convenient for alternate implementations to be able to reuse portions of the default implementation. This would come with the stro...
http://issues.apache.org/jira/browse/MAPREDUCE-4808    Author: Arun C Murthy, 2013-01-26, 00:47
[MAPREDUCE-4809] Change visibility of classes for pluggable sort changes - MapReduce - [issue]
...Make classes required for MAPREDUCE-2454 to be java public (with LimitedPrivate)...
http://issues.apache.org/jira/browse/MAPREDUCE-4809    Author: Arun C Murthy, 2013-01-26, 00:47
Re: Save configuration data in job configuration file. - MapReduce - [mail # user]
...jobConf.set(String, String)?  On Jan 19, 2013, at 7:31 AM, Pedro Sá da Costa wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/  ...
   Author: Arun C Murthy, 2013-01-19, 18:48
[MAPREDUCE-4943] JobImpl.makeUberDecision needs cleanup - MapReduce - [issue]
...JobImpl.makeUberDecision needs cleanup: Uses hard-coded default values in lots of places Need to fix it to use block-size of input while checking input-data Need to stop using JobConf.DISABL...
http://issues.apache.org/jira/browse/MAPREDUCE-4943    Author: Arun C Murthy, 2013-01-15, 12:48
[MAPREDUCE-4520] Add experimental support for MR AM to schedule CPUs along-with memory - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-4520    Author: Arun C Murthy, 2013-01-14, 15:04
[MAPREDUCE-4854] TestRumenJobTraces is broken in branch-1 - MapReduce - [issue]
...TestRumenJobTraces is broken in branch-1, need to fix the 'gold' events it's checking against which is broken....
http://issues.apache.org/jira/browse/MAPREDUCE-4854    Author: Arun C Murthy, 2012-12-07, 00:11
Re: Java Heap memory error : Limit to 2 Gb of ShuffleRamManager ? - MapReduce - [mail # user]
...Oliver,   Sorry, missed this.   The historical reason, if I remember right, is that we used to have a single byte buffer and hence the limit.   We should definitely remove it ...
   Author: Arun C Murthy, 2012-12-06, 18:41
Re: Committing MAPREDUCE-4803 - MapReduce - [mail # dev]
...Just commented. Thanks for the patch.  On Nov 18, 2012, at 4:44 PM, Mariappan Asokan wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/  ...
   Author: Arun C Murthy, 2012-11-19, 03:55
Re: How to Confugur  ECLIPSE for  MAP_REDUCE - MapReduce - [mail # user]
...You are better off using a more modern release: hadoop-1.x  There, you can run 'ant eclipse-files' and then import the 'project' into your eclipse workspace.  hth, Arun  On No...
   Author: Arun C Murthy, 2012-11-19, 03:52
[MAPREDUCE-4682] TestKillSubProcess & TestTaskTrackerMemoryManager fail to compile on trunk due to MAPREDUCE-4253 - MapReduce - [issue]
...Fail with: /Users/acmurthy/dev/apache/hadoop/hadoop-trunk/hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapred/TestKillSubProcesses.java:411: cannot find symbol  ...
http://issues.apache.org/jira/browse/MAPREDUCE-4682    Author: Arun C Murthy, 2012-11-13, 22:25
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