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From "Alan Heirich (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-707) Provide a jobconf property for explicitly assigning a job to a pool
Date Thu, 05 Nov 2009 02:21:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773751#action_12773751
] 

Alan Heirich commented on MAPREDUCE-707:
----------------------------------------

Oops - I thought TestFairScheduler would be run as part of "ant test".  I guess not.  It passes
now.

Hudson reported that TestGridmixSubmission failed, but that passes in my workspace.  I'm on
Mac OS X and I saw some tests fail from a fresh build that should have passed.

Please see MAPREDUCE-707-2-apache.patch

> Provide a jobconf property for explicitly assigning a job to a pool
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-707
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-707
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: contrib/fair-share
>            Reporter: Matei Zaharia
>            Priority: Trivial
>         Attachments: MAPREDUCE-707-1-apache.patch, MAPREDUCE-707-2-apache.patch, MAPREDUCE-707-apache.patch
>
>
> A common use case of the fair scheduler is to have one pool per user, but then to define
some special pools for various production jobs, import jobs, etc. Therefore, it would be nice
if jobs went by default to the pool of the user who submitted them, but there was a setting
to explicitly place a job in another pool. Today, this can be achieved through a sort of trick
in the JobConf:
> {code}
> <property>
>   <name>mapred.fairscheduler.poolnameproperty</name>
>   <value>pool.name</value>
> </property>
> <property>
>   <name>pool.name</name>
>   <value>${user.name}</value>
> </property>
> {code}
> This JIRA proposes to add a property called mapred.fairscheduler.pool that allows a job
to be placed directly into a pool, avoiding the need for this trick.

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