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Posted to yarn-issues@hadoop.apache.org by "Sunil G (JIRA)" <ji...@apache.org> on 2015/06/08 16:49:00 UTC

[jira] [Updated] (YARN-3784) Indicate preemption timout along with the list of containers to AM (preemption message)

     [ https://issues.apache.org/jira/browse/YARN-3784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sunil G updated YARN-3784:
--------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: YARN-45

> Indicate preemption timout along with the list of containers to AM (preemption message)
> ---------------------------------------------------------------------------------------
>
>                 Key: YARN-3784
>                 URL: https://issues.apache.org/jira/browse/YARN-3784
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Sunil G
>            Assignee: Sunil G
>
> Currently during preemption, AM is notified with a list of containers which are marked for preemption. Introducing a timeout duration also along with this container list so that AM can know how much time it will get to do a graceful shutdown to its containers (assuming one of preemption policy is loaded in AM).
> This will help in decommissioning NM scenarios, where NM will be decommissioned after a timeout (also killing containers on it). This timeout will be helpful to indicate AM that those containers can be killed by RM forcefully after the timeout.



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