[jira] [Created] (FLINK-9026) Unregister finished tasks from TaskManagerMetricGroup and close it

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-9026:
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             Summary: Unregister finished tasks from TaskManagerMetricGroup and close it
                 Key: FLINK-9026
                 URL: https://issues.apache.org/jira/browse/FLINK-9026
             Project: Flink
          Issue Type: Bug
          Components: Metrics
    Affects Versions: 1.5.0, 1.6.0
            Reporter: Till Rohrmann
             Fix For: 1.5.0


We should unregister {{Tasks}} from the {{TaskManagerMetricGroup}} when they have reached a final state. Moreover, we should close the {{TaskManagerMetricGroup}} either in the {{TaskExecutor#postStop}} method or let the caller do this.



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