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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3902) Fair scheduler preempts ApplicationMaster
Date Wed, 31 Aug 2016 03:41:20 GMT

     [ https://issues.apache.org/jira/browse/YARN-3902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated YARN-3902:
-----------------------------------
    Issue Type: Bug  (was: Sub-task)
        Parent:     (was: YARN-4752)

> Fair scheduler preempts ApplicationMaster
> -----------------------------------------
>
>                 Key: YARN-3902
>                 URL: https://issues.apache.org/jira/browse/YARN-3902
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 2.3.0
>         Environment: 3.16.0-0.bpo.4-amd64 #1 SMP Debian 3.16.7-ckt2-1~bpo70+1 (2014-12-08)
x86_64
>            Reporter: He Tianyi
>            Assignee: He Tianyi
>              Labels: fs-preemption-bugs
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> YARN-2022 have fixed the similar issue related to CapacityScheduler.
> However, FairScheduler still suffer, preempting AM while other normal containers running
out there.
> I think we should take the same approach, avoid AM being preempted unless there is no
container running other than AM.



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