[jira] [Created] (FLINK-14299) Factor status and system metrics out of JobManagerMetricGroup

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-14299:
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             Summary: Factor status and system metrics out of JobManagerMetricGroup
                 Key: FLINK-14299
                 URL: https://issues.apache.org/jira/browse/FLINK-14299
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination, Runtime / Metrics
    Affects Versions: 1.10.0
            Reporter: Till Rohrmann
            Assignee: Till Rohrmann
             Fix For: 1.10.0


At the moment, we use the {{JobManagerMetricGroup}} to not only register {{Dispatcher}} specific metrics but also process specific metrics such as CPU, threads, memory, etc. Due to this fact, it is not possible to close the {{JobManagerMetricGroup}} when the life time of the {{Dispatcher}} terminates. In order to do this, I suggest to introduce a new {{ProcessMetricGroup}} which is used to register the process specific metrics.

In order to guarantee backwards compatibility, I suggest to use the same scope format as {{SCOPE_NAMING_JM}} and then appending {{.Status}}.



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