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Jian He commented on YARN-6145: ------------------------------- Sample log for ConfiguredRMFailoverProxyProvider after the patch: {code} 17/02/03 21:45:18 INFO impl.TimelineClientImpl: Timeline service address: http://host:8188/ws/v1/timeline/ 17/02/03 21:45:18 INFO client.AHSProxy: Connecting to Application History server at host/172.22.126.225:10200 17/02/03 21:45:19 INFO client.ConfiguredRMFailoverProxyProvider: Failing over to rm2 17/02/03 21:45:19 INFO retry.RetryInvocationHandler: java.net.ConnectException: Call From host/172.22.126.229 to host:8032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused while invoking ApplicationClientProtocolPBClientImpl.getNewApplication over rm2 after 1 failover attempts. Trying to failover after sleeping for 24348ms. 17/02/03 21:45:44 INFO client.ConfiguredRMFailoverProxyProvider: Failing over to rm1 17/02/03 21:45:44 INFO retry.RetryInvocationHandler: java.net.ConnectException: Call From host/172.22.126.229 to host:8032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused while invoking ApplicationClientProtocolPBClientImpl.getNewApplication over rm1 after 2 failover attempts. Trying to failover after sleeping for 20126ms. 17/02/03 21:46:04 INFO client.ConfiguredRMFailoverProxyProvider: Failing over to rm2 17/02/03 21:46:04 INFO retry.RetryInvocationHandler: java.net.ConnectException: Call From host/172.22.126.229 to host:8032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused while invoking ApplicationClientProtocolPBClientImpl.getNewApplication over rm2 after 3 failover attempts. Trying to failover after sleeping for 44768ms. 17/02/03 21:46:48 INFO client.ConfiguredRMFailoverProxyProvider: Failing over to rm1 17/02/03 21:46:48 INFO retry.RetryInvocationHandler: java.net.ConnectException: Call From host/172.22.126.229 to host:8032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused while invoking ApplicationClientProtocolPBClientImpl.getNewApplication over rm1 after 4 failover attempts. Trying to failover after sleeping for 20670ms. 17/02/03 21:47:09 INFO client.ConfiguredRMFailoverProxyProvider: Failing over to rm2 17/02/03 21:47:09 INFO retry.RetryInvocationHandler: java.net.ConnectException: Call From host/172.22.126.229 to host:8032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused while invoking ApplicationClientProtocolPBClientImpl.getNewApplication over rm2 after 5 failover attempts. Trying to failover after sleeping for 42523ms. 17/02/03 21:47:52 INFO client.ConfiguredRMFailoverProxyProvider: Failing over to rm1 17/02/03 21:47:52 INFO retry.RetryInvocationHandler: java.net.ConnectException: Call From host/172.22.126.229 to host:8032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused while invoking ApplicationClientProtocolPBClientImpl.getNewApplication over rm1 after 6 failover attempts. Trying to failover after sleeping for 16803ms. {code} > Improve log message on fail over > -------------------------------- > > Key: YARN-6145 > URL: https://issues.apache.org/jira/browse/YARN-6145 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Jian He > Assignee: Jian He > Attachments: YARN-6145.1.patch > > > On failover, a series of exception stack shown in the log, which is harmless, > but confusing to user. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org