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Re: Next releases - MapReduce - [mail # dev]
...Thanks Suresh & Colin.  Please update the Roadmap wiki with your proposals.  As always, we will try our best to get these in - but we can collectively decide to slip some of these ...
   Author: Arun C Murthy, 2013-12-06, 21:53
Re: [VOTE] Release Apache Hadoop 0.23.10 - MapReduce - [mail # dev]
...+1 (binding)  Verified bits and ran sample jobs. Thanks for driving this Thomas.  Arun  On Dec 2, 2013, at 10:22 PM, Thomas Graves  wrote:   Arun C. Murthy Hortonwor...
   Author: Arun C Murthy, 2013-12-03, 18:24
Re: Hadoop 2.2.0 from source configuration - MapReduce - [mail # user]
...Daniel,   Apologies if you had a bad experience. If you can point them out to us, we'd be more than happy to fix it - alternately, we'd *love* it if you could help us improve docs too. ...
   Author: Arun C Murthy, 2013-12-02, 23:32
Re: YARN: LocalResources and file distribution - MapReduce - [mail # user]
...Robert,   YARN, by default, will only download *resource* from a shared namespace (e.g. HDFS).   If /home/hadoop/robert/large_jar.jar is available on each node then you can specify...
   Author: Arun C Murthy, 2013-12-02, 23:27
Re: About conception and usage of Uber - MapReduce - [mail # user]
...Yes, your understanding is correct. WIth 'uber' mode enabled, you'll run everything within the container of the AM itself which leads to significantly faster runtimes for 'small' jobs (we've...
   Author: Arun C Murthy, 2013-11-12, 02:27
Re: worker affinity and YARN scheduling - MapReduce - [mail # user]
...On Nov 11, 2013, at 6:28 AM, John Lilley  wrote:   Correct, that is why the resource protocol is designed as it is i.e. reduce #requests required.   Generally - yes. It does d...
   Author: Arun C Murthy, 2013-11-12, 02:25
Re: release-2.2.0 tag? - MapReduce - [mail # dev]
...http://svn.apache.org/viewvc/hadoop/common/tags/release-2.2.0/  Arun  On Nov 7, 2013, at 6:52 PM, Mohammad Islam  wrote:   Arun C. Murthy Hortonworks Inc. http://hortonwo...
   Author: Arun C Murthy, 2013-11-08, 16:10
[MAPREDUCE-3449] Port Mumak to work with MRv2 ResourceManager - MapReduce - [issue]
...It would be very useful to port Mumak-like functionality for simulation for YARN ResourceManager....
http://issues.apache.org/jira/browse/MAPREDUCE-3449    Author: Arun C Murthy, 2013-11-03, 03:11
[MAPREDUCE-379] Implement a Map-Reduce application which can be used to reliably launch speculative tasks - MapReduce - [issue]
...It would be very useful to have a reliable test case to help launch speculative tasks (maps and/or reduces) to help debug problems or fine-tune strategies for speculative execution.I propose...
http://issues.apache.org/jira/browse/MAPREDUCE-379    Author: Arun C Murthy, 2013-11-03, 03:11
Re: Hadoop 2.2.0 MR tasks failing - MapReduce - [mail # user]
...If you follow the links on the web-ui to the logs of the map/reduce tasks, what do you see there?  Arun  On Oct 21, 2013, at 9:55 PM, Robert Dyer  wrote:   Arun C. Murthy...
   Author: Arun C Murthy, 2013-10-22, 05:16
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