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https://issues.apache.org/jira/browse/YARN-5216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15738814#comment-15738814
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Konstantinos Karanasos commented on YARN-5216:
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If there is such a parameter at the executor, I agree we don't need a second
parameter.
My understanding was that there will be just a parameter that will determine
the executor to be used, and, if that executor supports pausing, the container
will always be paused (we will not be able to choose to do killing). If that
understanding is correct, I suggest to have a configuation.
In other words, I think we should have an explicit configuation for enabling
pausing. If it is at the executor, we don't need a second one at the scheduler.
> Expose configurable preemption policy for OPPORTUNISTIC containers running on
> the NM
> ------------------------------------------------------------------------------------
>
> Key: YARN-5216
> URL: https://issues.apache.org/jira/browse/YARN-5216
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: distributed-scheduling
> Reporter: Arun Suresh
> Assignee: Hitesh Sharma
> Labels: oct16-hard
> Attachments: YARN-5216-YARN-5972.001.patch, YARN5216.001.patch,
> yarn5216.002.patch
>
>
> Currently, the default action taken by the QueuingContainerManager,
> introduced in YARN-2883, when a GUARANTEED Container is scheduled on an NM
> with OPPORTUNISTIC containers using up resources, is to KILL the running
> OPPORTUNISTIC containers.
> This JIRA proposes to expose a configurable hook to allow the NM to take a
> different action.
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