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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3936) Clients should not enforce counter limits
Date Tue, 02 Oct 2012 07:31:08 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13467563#comment-13467563
] 

Luke Lu commented on MAPREDUCE-3936:
------------------------------------

I can see a need for branch-1, which has fairly different code base. But given AM is a per
job instance controlled by user, I wonder why the patch is necessary (besides setting the
limits higher)?
                
> Clients should not enforce counter limits 
> ------------------------------------------
>
>                 Key: MAPREDUCE-3936
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3936
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: MAPREDUCE-3936.patch, MAPREDUCE-3936.patch
>
>
> The code for enforcing counter limits (from MAPREDUCE-1943) creates a static JobConf
instance to load the limits, which may throw an exception if the client limit is set to be
lower than the limit on the cluster (perhaps because the cluster limit was raised from the
default).

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