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Posted to dev@flink.apache.org by "Truong Duc Kien (JIRA)" <ji...@apache.org> on 2018/03/15 03:12:00 UTC

[jira] [Created] (FLINK-8946) TaskManager stop sending metrics after JobManager failover

Truong Duc Kien created FLINK-8946:
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             Summary: 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


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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