Till Rohrmann created FLINK-14303:
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Summary: Factor resource manager related metrics out of
JobManagerMetricGroup
Key: FLINK-14303
URL: https://issues.apache.org/jira/browse/FLINK-14303
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 report resource manager
specific metrics such as the number of slots or registered {{TaskExecutors}}.
Since the {{JobManagerMetricGroup}} is shared between the {{ResourceManager}}
and the {{Dispatcher}} this prevents closing the {{JobManagerMetricGroup}} from
the {{Dispatcher}}.
In order to solve this problem, I propose to introduce a
{{ResourceManagerMetricGroup}} which is used by the {{ResourceManager}} to
register resource manager specific metrics. In order to not break existing
third party applications which rely on the current metrics layout, the
{{ResourceManagerMetricGroup}} will use the scope and group name of the
{{JobManagerMetricGroup}}.
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