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From "Jonathan Hung (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4981) limit the max containers to assign to one application per heartbeart
Date Thu, 27 Oct 2016 19:01:59 GMT

     [ https://issues.apache.org/jira/browse/YARN-4981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hung updated YARN-4981:
--------------------------------
    Labels: oct16-medium  (was: )

> limit the max containers to assign to one application per heartbeart
> --------------------------------------------------------------------
>
>                 Key: YARN-4981
>                 URL: https://issues.apache.org/jira/browse/YARN-4981
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>    Affects Versions: 2.5.0, 2.6.4
>            Reporter: ChenFolin
>              Labels: oct16-medium
>             Fix For: 2.5.0
>
>         Attachments: YARN-4981.patch
>
>
> When use assignMultiple´╝îand such as set maxAssign=10:
> if a job is high CPU util or high CPU load, it may lead to  a part of nodes   very busy.
and the job may cost a long time.
> so , i want to limit the max containers to assign to one application per heartbeart,
it may help to nodes use more uniform.



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