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https://issues.apache.org/jira/browse/YARN-7715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16464221#comment-16464221
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Haibo Chen commented on YARN-7715:
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Thanks [[email protected]] for the patch! I have two
questions/comments.
1) ResourceHandlerChain.updateContainer() should delegate the call to all
resource handlers, right?
2) In ContainerScheduler, I think we shall only call
ResourceHandlerChain.updateContainer() for running containers, that is,
only if the container to be updated is not being queued.
> Update CPU and Memory cgroups params on container update as well.
> -----------------------------------------------------------------
>
> Key: YARN-7715
> URL: https://issues.apache.org/jira/browse/YARN-7715
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Arun Suresh
> Assignee: Miklos Szegedi
> Priority: Major
> Attachments: YARN-7715.000.patch, YARN-7715.001.patch
>
>
> In YARN-6673 and YARN-6674, the cgroups resource handlers update the cgroups
> params for the containers, based on opportunistic or guaranteed, in the
> *preStart* method.
> Now that YARN-5085 is in, Container executionType (as well as the cpu, memory
> and any other resources) can be updated after the container has started. This
> means we need the ability to change cgroups params after container start.
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