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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:
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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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