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From "Dustin Cote (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6235) Bundle and compress files passed with -libjars prior to uploading and distributing
Date Thu, 05 Feb 2015 13:03:34 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14307179#comment-14307179
] 

Dustin Cote commented on MAPREDUCE-6235:
----------------------------------------

Thanks folks, I believe I was seeing a time difference because of the time to compress.  I'll
go ahead and close this out since no code change should be made here.

> Bundle and compress files passed with -libjars prior to uploading and distributing
> ----------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6235
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6235
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: distributed-cache, mrv2
>    Affects Versions: 2.6.0
>            Reporter: Dustin Cote
>            Assignee: Dustin Cote
>            Priority: Minor
>
> To improve performance, we should upload jars flagged by -libjars as a single bundle
and expand on arrival instead of uploading the jars one by one.   This would also reduce network
overhead of using the -libjars option.



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