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https://issues.apache.org/jira/browse/FLINK-8946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16409430#comment-16409430
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Till Rohrmann commented on FLINK-8946:
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Sorry [~yanghua], I confused this issue with FLINK-9026. I thought we were all
the time talking about this issue.
> 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: Critical
> Fix For: 1.5.0
>
>
> 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 ?
>
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