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Posted to mapreduce-issues@hadoop.apache.org by "Virag Kothari (JIRA)" <ji...@apache.org> on 2012/09/20 02:07:08 UTC
[jira] [Commented] (MAPREDUCE-4568) Throw "early" exception when
duplicate files or archives are found in distributed cache
[ https://issues.apache.org/jira/browse/MAPREDUCE-4568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13459236#comment-13459236 ]
Virag Kothari commented on MAPREDUCE-4568:
------------------------------------------
Is there any update on this?
Thanks!
> Throw "early" exception when duplicate files or archives are found in distributed cache
> ---------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4568
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4568
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Mohammad Kamrul Islam
>
> According to #MAPREDUCE-4549, Hadoop 2.x throws exception if duplicates found in cacheFiles or cacheArchives. The exception throws during job submission.
> This JIRA is to throw the exception ==early== when it is first added to the Distributed Cache through addCacheFile or addFileToClassPath.
> It will help the client to decide whether to fail-fast or continue w/o the duplicated entries.
> Alternatively, Hadoop could provide a knob where user will choose whether to throw error( coming behavior) or silently ignore (old behavior).
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