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Posted to yarn-issues@hadoop.apache.org by "shenhong (JIRA)" <ji...@apache.org> on 2012/12/31 12:54:12 UTC

[jira] [Commented] (YARN-300) After yarn-271, when yarn.scheduler.fair.max.assign=0, fairscheduler will infinite loop and not schedule any application.

    [ https://issues.apache.org/jira/browse/YARN-300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13541352#comment-13541352 ] 

shenhong commented on YARN-300:
-------------------------------

the method to solve is: when a node is reserved, break the loop.
                
> After yarn-271, when yarn.scheduler.fair.max.assign=0, fairscheduler will  infinite loop and not schedule any application.
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-300
>                 URL: https://issues.apache.org/jira/browse/YARN-300
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, scheduler
>            Reporter: shenhong
>              Labels: None
>             Fix For: 2.0.3-alpha
>
>         Attachments: YARN-300.patch
>
>   Original Estimate: 10h
>  Remaining Estimate: 10h
>
> After yarn-271, when yarn.scheduler.fair.max.assign=0, when a node was been reserved, fairScheduler will  infinite loop and not schedule any application.

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