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https://issues.apache.org/jira/browse/YARN-7192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16167124#comment-16167124
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Miklos Szegedi commented on YARN-7192:
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Thank you, [~asuresh] and [~roniburd] for the replies. I thought that the
feature is intended for unit testing. If there is production use then it
probably needs to be documented properly, especially in the function headers.
What should I do with YARN-7009? Can we check in the current implementation, or
is it better to be based on this jira? What is your timeline?
> Add a pluggable StateMachine Listener that is notified of NM Container State
> changes
> ------------------------------------------------------------------------------------
>
> Key: YARN-7192
> URL: https://issues.apache.org/jira/browse/YARN-7192
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Arun Suresh
> Assignee: Arun Suresh
> Attachments: YARN-7192.001.patch
>
>
> This JIRA is to add support for a plugggable class in the NodeManager that is
> notified of changes to the Container StateMachine state and the events that
> caused the change.
> The proposal is to modify the basic StateMachine class add support for a hook
> that is called before and after a transition.
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