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Tao Yang commented on YARN-9714: -------------------------------- Thanks [~rohithsharma], [~bibinchundatt] for the review and commit! > ZooKeeper connection in ZKRMStateStore leaks after RM transitioned to standby > ----------------------------------------------------------------------------- > > Key: YARN-9714 > URL: https://issues.apache.org/jira/browse/YARN-9714 > Project: Hadoop YARN > Issue Type: Bug > Components: resourcemanager > Reporter: Tao Yang > Assignee: Tao Yang > Priority: Major > Labels: memory-leak > Fix For: 3.3.0, 3.2.1 > > Attachments: YARN-9714.001.patch, YARN-9714.002.patch, > YARN-9714.003.patch, YARN-9714.004.patch, YARN-9714.005.patch > > > Recently RM full GC happened in one of our clusters, after investigating the > dump memory and jstack, I found two places in RM may cause memory leaks after > RM transitioned to standby: > # Release cache cleanup timer in AbstractYarnScheduler never be canceled. > # ZooKeeper connection in ZKRMStateStore never be closed. > To solve those leaks, we should close the connection or cancel the timer when > services are stopping. -- This message was sent by Atlassian Jira (v8.3.2#803003) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org