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Date: Fri, 9 Sep 2011 18:53:09 +0000 (UTC)
From: "Ahmed Radwan (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-2836) Provide option to fail jobs
 when submitted to non-existent pools.
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101479#comment-13101479 ] 

Ahmed Radwan commented on MAPREDUCE-2836:
-----------------------------------------

I am using "branch-0.20-security" branch.

> Provide option to fail jobs when submitted to non-existent pools.
> -----------------------------------------------------------------
>
>                 Key: MAPREDUCE-2836
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2836
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/fair-share
>            Reporter: Jeff Bean
>            Assignee: Ahmed Radwan
>            Priority: Minor
>         Attachments: MAPREDUCE-2836.patch, MAPREDUCE-2836_rev2.patch, MAPREDUCE-2836_rev3.patch, MAPREDUCE-2836_rev4.patch, MAPREDUCE-2836_rev5.patch
>
>
> In some environments, it might be desirable to explicitly specify the fair scheduler pools and to explicitly fail jobs that are not submitted to any of the pools. 
> Current behavior of the fair scheduler is to submit jobs to a default pool if a pool name isn't specified or to create a pool with the new name if the pool name doesn't already exist. There should be a configuration option for the fair scheduler that causes it to noisily fail the job if it's submitted to a pool that isn't pre-specified or if the specified pool doesn't exist.

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