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Re: combiner without reducer - MapReduce - [mail # dev]
...Please open a jira, we can discuss.  Also, you might want to look at Apache Tez - one could easily get it to work with a bit of hacking.  thanks, Arun  On Apr 15, 2013, at 11:...
   Author: Arun C Murthy, 2013-04-15, 20:20
Re: YARN - specify hosts in ContainerRequest - MapReduce - [mail # user]
...There shouldn't be issues handling nulls etc. - obviously depends on scheduler, but if you see any we will fix it ASAP.  On Apr 12, 2013, at 12:20 AM, Harsh J wrote:   Arun C. Murt...
   Author: Arun C Murthy, 2013-04-12, 01:39
Re: Hadoop Map Reduce Problem - Reduce failing - MapReduce - [mail # user]
...Moving to user@.  What version of Hadoop are you running?  On Apr 10, 2013, at 6:57 PM, Farrokh Shahriari wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/ &nbs...
   Author: Arun C Murthy, 2013-04-11, 07:14
Re: How to configure mapreduce archive size? - MapReduce - [mail # user]
...Ensure no jobs are running (cache limit is only for non-active cache files), check after a little while (takes sometime for the cleaner thread to kick in).  Arun  On Apr 11, 2013, ...
   Author: Arun C Murthy, 2013-04-10, 21:44
[MAPREDUCE-5135] Allow for a plugin to process JH files as they are transferred from MR AM to JHS - MapReduce - [issue]
...Allow for a plugin to process JH files as they are transferred from MR AM to JHS. This will allow, for e.g., Ambari to add a plugin to intercept JH data....
http://issues.apache.org/jira/browse/MAPREDUCE-5135    Author: Arun C Murthy, 2013-04-06, 07:34
[MAPREDUCE-5131] Provide better handling of job status related apis during JT restart - MapReduce - [issue]
...I've seen pig/hive applications bork during JT restart since they get NPEs - this is due to fact that jobs are not really inited, but are submitted....
http://issues.apache.org/jira/browse/MAPREDUCE-5131    Author: Arun C Murthy, 2013-04-06, 04:11
Re: Yarn Writing ApplicationMaster, Client Exception "URISyntaxException: Expected scheme name at index 0" - MapReduce - [mail # user]
...That seems like a bug - we should at least throw a better error.  On Mar 25, 2013, at 5:29 PM, Harsh J wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/  ...
   Author: Arun C Murthy, 2013-03-27, 21:11
Re: DistributedCache - why not read directly from HDFS? - MapReduce - [mail # user]
...More importantly, second and subsequent access of the file in DC is guaranteed to be local disk i/o.  On Mar 24, 2013, at 3:00 AM, Alberto Cordioli wrote:   Arun C. Murthy Hortonwo...
   Author: Arun C Murthy, 2013-03-25, 22:30
Re: Node manager health checker opts - MapReduce - [mail # user]
...Hmm... an easy way to debug this would be to add a LOG statement in NodeHealthScriptRunner.init to printout the args you are getting from the config.  Is there a chance you can try this...
   Author: Arun C Murthy, 2013-03-25, 22:27
[MAPREDUCE-4918] Better error message in TrackerDistributedCacheManager.ancestorsHaveExecutePermissions - MapReduce - [issue]
...Better logging/error message in TrackerDistributedCacheManager.ancestorsHaveExecutePermissions should help debugging (e.g. MAPREDUCE-4916). We should log the offending parent directory with ...
http://issues.apache.org/jira/browse/MAPREDUCE-4918    Author: Arun C Murthy, 2013-03-20, 23:10
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