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Prabhu Joseph commented on YARN-10194: -------------------------------------- [~sunilg] Have rebased the patch - [^YARN-10194-005.patch] . Can you review the same when you get time. Thanks. > YARN RMWebServices /scheduler-conf/validate leaks ZK Connections > ---------------------------------------------------------------- > > Key: YARN-10194 > URL: https://issues.apache.org/jira/browse/YARN-10194 > Project: Hadoop YARN > Issue Type: Bug > Components: capacityscheduler > Affects Versions: 3.3.0 > Reporter: Akhil PB > Assignee: Prabhu Joseph > Priority: Blocker > Attachments: YARN-10194-001.patch, YARN-10194-002.patch, > YARN-10194-003.patch, YARN-10194-004.patch, YARN-10194-005.patch > > > YARN RMWebServices /scheduler-conf/validate leaks ZK Connections. Validation > API creates a new CapacityScheduler and missed to close after the validation. > Every CapacityScheduler#init opens MutableCSConfigurationProvider which opens > ZKConfigurationStore and creates a ZK Connection. > *ZK LOGS* > {code} > -03-12 16:45:51,881 WARN org.apache.zookeeper.server.NIOServerCnxnFactory: [2 > times] Error accepting new connection: Too many connections from > /172.27.99.64 - max is 60 > 2020-03-12 16:45:52,449 WARN > org.apache.zookeeper.server.NIOServerCnxnFactory: Error accepting new > connection: Too many connections from /172.27.99.64 - max is 60 > 2020-03-12 16:45:52,710 WARN > org.apache.zookeeper.server.NIOServerCnxnFactory: Error accepting new > connection: Too many connections from /172.27.99.64 - max is 60 > 2020-03-12 16:45:52,876 WARN > org.apache.zookeeper.server.NIOServerCnxnFactory: [4 times] Error accepting > new connection: Too many connections from /172.27.99.64 - max is 60 > 2020-03-12 16:45:53,068 WARN > org.apache.zookeeper.server.NIOServerCnxnFactory: [2 times] Error accepting > new connection: Too many connections from /172.27.99.64 - max is 60 > 2020-03-12 16:45:53,391 WARN > org.apache.zookeeper.server.NIOServerCnxnFactory: [2 times] Error accepting > new connection: Too many connections from /172.27.99.64 - max is 60 > 2020-03-12 16:45:54,008 WARN > org.apache.zookeeper.server.NIOServerCnxnFactory: Error accepting new > connection: Too many connections from /172.27.99.64 - max is 60 > 2020-03-12 16:45:54,287 WARN > org.apache.zookeeper.server.NIOServerCnxnFactory: Error accepting new > connection: Too many connections from /172.27.99.64 - max is 60 > 2020-03-12 16:45:54,483 WARN > org.apache.zookeeper.server.NIOServerCnxnFactory: [4 times] Error accepting > new connection: Too many connections from /172.27.99.64 - max is 60 > {code} > And there is an another bug in ZKConfigurationStore which has not handled > close() of ZKCuratorManager. -- 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