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https://issues.apache.org/jira/browse/YARN-9926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bibin Chundatt resolved YARN-9926.
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Resolution: Duplicate
> RM multi-thread event processing mechanism
> ------------------------------------------
>
> Key: YARN-9926
> URL: https://issues.apache.org/jira/browse/YARN-9926
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: yarn
> Reporter: hcarrot
> Priority: Minor
> Attachments: RM multi-thread event processing mechanism.pdf
>
>
> Recently, we have observed serious event blocking in RM event dispatcher
> queue. After analysis of RM event monitoring data and RM event processing
> logic, we found that the proportion of RMNodeStatusEvent is less than other
> events, but the overall processing time of it is more than other events.
> Meanwhile, RM event processing is in a single-thread mode, and It results in
> the decrease of RM's performance. So we proposed a RM multi-thread event
> processing mechanism to improve RM performance. Is this mechanism feasible?
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