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From "Song Jiacheng (Jira)" <j...@apache.org>
Subject [jira] [Created] (YARN-10868) FairScheduler: updateAppsRunnability never break
Date Wed, 21 Jul 2021 09:05:00 GMT
Song Jiacheng created YARN-10868:
------------------------------------

             Summary: FairScheduler: updateAppsRunnability never break
                 Key: YARN-10868
                 URL: https://issues.apache.org/jira/browse/YARN-10868
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 3.2.1
            Reporter: Song Jiacheng


In FairScheduler, remove a app attempt will call MaxRunningAppsEnforcer#updateRunnabilityOnAppRemoval
to find some non-runnable apps and make them not pending. This method will call updateAppsRunnability
at the end, and set appsNowMaybeRunnable.size() as the method parameter "maxRunnableApps"



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