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Qi Zhu commented on YARN-10702: ------------------------------- Thanks [~Jim_Brennan] for this. It makes sense to me, and it's a very good improvement for big cluster. > Add cluster metric for amount of CPU used by RM Event Processor > --------------------------------------------------------------- > > Key: YARN-10702 > URL: https://issues.apache.org/jira/browse/YARN-10702 > Project: Hadoop YARN > Issue Type: Improvement > Components: yarn > Affects Versions: 2.10.1, 3.4.0 > Reporter: Jim Brennan > Assignee: Jim Brennan > Priority: Minor > Attachments: Scheduler-Busy.png, YARN-10702.001.patch, > YARN-10702.002.patch, simon-scheduler-busy.png > > > Add a cluster metric to track the cpu usage of the ResourceManager Event > Processing thread. This lets us know when the critical path of the RM is > running out of headroom. > This feature was originally added for us internally by [~nroberts] and we've > been running with it on production clusters for nearly four years. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org