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Posted to common-dev@hadoop.apache.org by "Matei Zaharia (JIRA)" <ji...@apache.org> on 2009/06/12 01:27:07 UTC

[jira] Commented: (HADOOP-5701) With fair scheduler, long running jobs can easily occurpy a lot of task slots

    [ https://issues.apache.org/jira/browse/HADOOP-5701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718666#action_12718666 ] 

Matei Zaharia commented on HADOOP-5701:
---------------------------------------

HADOOP-4665 will prevent this from happening. Do you want any additional features on top of that?

> With fair scheduler, long running jobs can easily occurpy a lot of task slots
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-5701
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5701
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/fair-share
>            Reporter: Tsz Wo (Nicholas), SZE
>
> Current fair scheduler implementation favor long running jobs since once a task slot is assigned to a job, the fair scheduler is not able to reclaim it.

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