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https://issues.apache.org/jira/browse/YARN-1125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13768578#comment-13768578
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Bikas Saha commented on YARN-1125:
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We are currently doing this by "deleting" these components by dereferencing
them. It might happen these do not get GC'd and we are leaking memory. In that
case we this jira will become important because we will need to implement a
close/shutdown functionality to all of them.
> Add shutdown support to non-service RM components
> -------------------------------------------------
>
> Key: YARN-1125
> URL: https://issues.apache.org/jira/browse/YARN-1125
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.1.0-beta
> Reporter: Karthik Kambatla
>
> The ResourceManager has certain non-service components like the Scheduler.
> While transitioning to standby, these components should be completely turned
> off.
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