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From "Scott Chen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1845) FairScheduler.tasksToPeempt() can return negative number
Date Sat, 26 Jun 2010 20:57:53 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12882891#action_12882891
] 

Scott Chen commented on MAPREDUCE-1845:
---------------------------------------

Submit to Hudson again.

> FairScheduler.tasksToPeempt() can return negative number
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-1845
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1845
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/fair-share
>    Affects Versions: 0.22.0
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1845-v2.txt, MAPREDUCE-1845.20100717.txt
>
>
> This method can return negative number. This will cause the preemption to under-preempt.
> The bug was discovered by Joydeep.

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