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Sangjin Lee commented on YARN-3044: ----------------------------------- [~zjshen], sorry I missed your comment earlier... bq. Say we have a big cluster that can afford 5,000 concurrent containers... I follow your logic there. But I meant 5,000 containers allocated *per second*, not 5,000 concurrent containers. In a large cluster, it is entirely possible that containers are allocated and released on the order of thousands per second easily. Then, it follows we're already talking about 2 * 5,000 events per second in such a situation. And if we add more event types it is reasonable to expect each of them to happen as fast as 5,000 events per second. > [Event producers] Implement RM writing app lifecycle events to ATS > ------------------------------------------------------------------ > > Key: YARN-3044 > URL: https://issues.apache.org/jira/browse/YARN-3044 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver > Reporter: Sangjin Lee > Assignee: Naganarasimha G R > Attachments: YARN-3044-YARN-2928.004.patch, > YARN-3044.20150325-1.patch, YARN-3044.20150406-1.patch, > YARN-3044.20150416-1.patch > > > Per design in YARN-2928, implement RM writing app lifecycle events to ATS. -- This message was sent by Atlassian JIRA (v6.3.4#6332)