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From "Jun Gong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3057) Need update apps' runnability when reloading allocation files for FairScheduler
Date Wed, 28 Jan 2015 15:15:35 GMT

     [ https://issues.apache.org/jira/browse/YARN-3057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jun Gong updated YARN-3057:
---------------------------
    Attachment: YARN-3057.2.patch

Re-submit the same 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-3057.2.patch, 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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