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vinoyang commented on FLINK-8946: --------------------------------- Hi [~till.rohrmann] , about this issue I think we could : init the instance of *TaskManagerMetricGroup* in method (if jm failover , we could have a new instance): {code:java} handleJobManagerLeaderAddress {code} and close the metric group in method : {code:java} handleJobManagerDisconnect {code} at last, we can recheck and close in TaskManager's postStop method. > TaskManager stop sending metrics after JobManager failover > ---------------------------------------------------------- > > Key: FLINK-8946 > URL: https://issues.apache.org/jira/browse/FLINK-8946 > Project: Flink > Issue Type: Bug > Components: Metrics, TaskManager > Affects Versions: 1.4.2 > Reporter: Truong Duc Kien > Assignee: vinoyang > Priority: Major > > Running in Yarn-standalone mode, when the Job Manager performs a failover, > all TaskManager that are inherited from the previous JobManager will not send > metrics to the new JobManager and other registered metric reporters. > > A cursory glance reveal that these line of code might be the cause > [https://github.com/apache/flink/blob/a3478fdfa0f792104123fefbd9bdf01f5029de51/flink-runtime/src/main/scala/org/apache/flink/runtime/taskmanager/TaskManager.scala#L1082-L1086] > Perhap the TaskManager close its metrics group when disassociating > JobManager, but not creating a new one on fail-over association ? > -- This message was sent by Atlassian JIRA (v7.6.3#76005)