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https://issues.apache.org/jira/browse/YARN-2314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14072507#comment-14072507
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Li Lu commented on YARN-2314:
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Yes, that makes sense. And I do agree that a quick fix to the problem.
> ContainerManagementProtocolProxy can create thousands of threads for a large
> cluster
> ------------------------------------------------------------------------------------
>
> Key: YARN-2314
> URL: https://issues.apache.org/jira/browse/YARN-2314
> Project: Hadoop YARN
> Issue Type: Bug
> Components: client
> Affects Versions: 2.1.0-beta
> Reporter: Jason Lowe
> Priority: Critical
> Attachments: nmproxycachefix.prototype.patch
>
>
> ContainerManagementProtocolProxy has a cache of NM proxies, and the size of
> this cache is configurable. However the cache can grow far beyond the
> configured size when running on a large cluster and blow AM address/container
> limits. More details in the first comment.
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