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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6096) Support task preemption in Capacity Scheduler
Date Sat, 20 Jun 2009 00:24:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722101#action_12722101
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-6096:
------------------------------------------------

See also [this example|https://issues.apache.org/jira/browse/HADOOP-5701?focusedCommentId=12700284&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12700284].

> Support task preemption in Capacity Scheduler
> ---------------------------------------------
>
>                 Key: HADOOP-6096
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6096
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: contrib/capacity-sched
>            Reporter: Tsz Wo (Nicholas), SZE
>
> Without preemption, it is not possible to guarantee capacity since long running jobs
may occupy task slots of an arbitrarily long time.

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