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https://issues.apache.org/jira/browse/YARN-3712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14560632#comment-14560632
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Jun Gong commented on YARN-3712:
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[~sidharta-s] [~ashahab] Thanks for the suggestion.
I am referring to both cleaning the docker image and container instance. With
adding a feature that restarts stopped container, we have modified
DockerContainerExecutor, and seperated "docker run ... -rm" to "docker run -d"
and "docker rm $CONTAINER_NAME". "docker rm" takes above 1 seconds.
> ContainersLauncher: handle event CLEANUP_CONTAINER asynchronously
> -----------------------------------------------------------------
>
> Key: YARN-3712
> URL: https://issues.apache.org/jira/browse/YARN-3712
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Reporter: Jun Gong
> Assignee: Jun Gong
> Attachments: YARN-3712.01.patch, YARN-3712.02.patch
>
>
> It will save some time by handling event CLEANUP_CONTAINER asynchronously.
> This improvement will be useful for cases that cleaning up container cost a
> little long time(e.g. for our case: we are running Docker container on NM, it
> will take above 1 seconds to clean up one docker container. ) and many
> containers to clean up(e.g. NM need clean up all running containers when NM
> shutdown).
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