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zhuqi edited comment on YARN-9618 at 12/2/20, 9:05 AM: ------------------------------------------------------- [~bibinchundatt] [~leftnoteasy] This is a big improvement for nodemanager scalability. I submit a draft patch, to change event trigger to app itself. Avoid async dispatcher boom. If you any advice. Thanks. was (Author: zhuqi): [~bibinchundatt] [~leftnoteasy] This is a big improvement for nodemanager scalability. I submit a draft patch, to change event trigger to app itself. If you any advice. Thanks. > NodeListManager event improvement > --------------------------------- > > Key: YARN-9618 > URL: https://issues.apache.org/jira/browse/YARN-9618 > Project: Hadoop YARN > Issue Type: Sub-task > Reporter: Bibin Chundatt > Assignee: zhuqi > Priority: Critical > Attachments: YARN-9618.001.patch > > > Current implementation nodelistmanager event blocks async dispacher and can > cause RM crash and slowing down event processing. > # Cluster restart with 1K running apps . Each usable event will create 1K > events over all events could be 5k*1k events for 5K cluster > # Event processing is blocked till new events are added to queue. > Solution : > # Add another async Event handler similar to scheduler. > # Instead of adding events to dispatcher directly call RMApp event handler. -- 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