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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-507) Large amount of ranges can prevent job from kicking off
Date Fri, 19 Apr 2013 17:47:15 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13636662#comment-13636662
] 

Keith Turner commented on ACCUMULO-507:
---------------------------------------

bq.  Does anyone have opinions about this issue?

I do not have a problem with reverting the revert if the job keeps running.  What about random
files being left around?  Was the file place somewhere that M/R will eventually clean up if
the process that created it does not?
                
> Large amount of ranges can prevent job from kicking off
> -------------------------------------------------------
>
>                 Key: ACCUMULO-507
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-507
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 1.3.5
>            Reporter: John Vines
>            Assignee: Billie Rinaldi
>            Priority: Minor
>              Labels: mapreduce
>
> We use the various ranges a user provides to create splits. Those get read when the job
is submitted by the client. On the client side, those ranges are used to get all of the splits,
and then the job is started. If the configuration is too large, the job will fail to submit
(this size is configurable, but that's besides the point). We should look into clearing the
ranges out of the jobconf if it's large to prevent this error, since at this point the ranges
are no longer needed in the configuration.

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