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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2016/10/27 19:02:59 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 ]
Wangda Tan updated YARN-3784:
-----------------------------
Labels: oct16-hard (was: )
> 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
> Labels: oct16-hard
> 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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