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https://issues.apache.org/jira/browse/YARN-3057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jun Gong updated YARN-3057:
---------------------------
    Attachment: YARN-3057.patch

> Need update apps' runnability when reloading allocation files for 
> FairScheduler
> -------------------------------------------------------------------------------
>
>                 Key: YARN-3057
>                 URL: https://issues.apache.org/jira/browse/YARN-3057
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Jun Gong
>            Assignee: Jun Gong
>         Attachments: YARN-3057.patch
>
>
> If we submit a app and the number of running app in its corresponding leaf 
> queue has reached its max limit, the app will be put into 'nonRunnableApps'. 
> And its runnabiltiy will only be updated when removing a 
> appattempt(FairScheduler will call `updateRunnabilityOnAppRemoval` at that 
> time).
> Suppose there are only service apps running, they will not finish, so the 
> submitted app will not be scheduled even we change leaf queue's max limit. I 
> think we need update apps' runnability when reloading allocation files for 
> FairScheduler.



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