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https://issues.apache.org/jira/browse/MAPREDUCE-1960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mahadev konar updated MAPREDUCE-1960:
-------------------------------------

    Attachment: MAPREDUCE-1960-yahoo-hadoop-0.20S.patch

changed the default limit to 5MB.

> Limit the size of jobconf.
> --------------------------
>
>                 Key: MAPREDUCE-1960
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1960
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Mahadev konar
>            Assignee: Mahadev konar
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1960-yahoo-hadoop-0.20S.patch, 
> MAPREDUCE-1960-yahoo-hadoop-0.20S.patch, 
> MAPREDUCE-1960-yahoo-hadoop-0.20S.patch
>
>
> In some of our production cluster users have huge job.xml's that bring down 
> the jobtracker. THis jira is to put limit on the size of the jobconf, so that 
> we dont blow up the memory on jobtracker.

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