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https://issues.apache.org/jira/browse/YARN-8547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16548181#comment-16548181
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Giovanni Matteo Fumarola commented on YARN-8547:
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Thanks [~sandflee] for working on this.
Can you provide more details on the cause and the consequences?
> rm may crash if nm register with too many applications
> ------------------------------------------------------
>
> Key: YARN-8547
> URL: https://issues.apache.org/jira/browse/YARN-8547
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: sandflee
> Assignee: sandflee
> Priority: Major
> Attachments: YARN-8547.01.patch
>
>
> 1, our cluster had n k+ nodes, and disabled log aggregation, one single nm
> may keeps 1w+ apps
> 2, when rm failover, single nm register with 1w+ apps, causing active rm
> always gc and lost connection with zk.
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