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https://issues.apache.org/jira/browse/YARN-3784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15010394#comment-15010394
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Sunil G commented on YARN-3784:
-------------------------------
Test case failures are unrelated here. [~djp] [~leftnoteasy], could you please
help to check the changes here.
> 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
> Attachments: 0001-YARN-3784.patch, 0002-YARN-3784.patch,
> 0003-YARN-3784.patch, 0004-YARN-3784.patch
>
>
> 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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