[jira] [Assigned] (MAPREDUCE-4421) Remove dependency on deployed MR jars

["Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli reassigned MAPREDUCE-4421:
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    Assignee: Vinod Kumar Vavilapalli  (was: Arun C Murthy)

With almost all of the cleanup/separation of YARN and MapReduce out of the way, we are now in a position to move this forward.

Going to take a shot at it, assigning this to myself.

I'll start with the distribution of jars, will split the issue of handling native libs out into another follow-up ticket.
                
> Remove dependency on deployed MR jars
> -------------------------------------
>
>                 Key: MAPREDUCE-4421
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4421
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 2.0.0-alpha
>            Reporter: Arun C Murthy
>            Assignee: Vinod Kumar Vavilapalli
>
> Currently MR AM depends on MR jars being deployed on all nodes via implicit dependency on YARN_APPLICATION_CLASSPATH. 
> We should stop adding mapreduce jars to YARN_APPLICATION_CLASSPATH and, probably, just rely on adding a shaded MR jar along with job.jar to the dist-cache.

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