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https://issues.apache.org/jira/browse/FLINK-29801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17642050#comment-17642050
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Steven Zhen Wu commented on FLINK-29801:
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@ruanhang1993 I am not sure if `numEventsIn` is a very useful metrics. maybe
hold back adding it until there is a clear value of it. If we do want to expose
it, it will be better to add a tag of the event type/class name.
> OperatorCoordinator need open the way to operate metricGroup interface
> ----------------------------------------------------------------------
>
> Key: FLINK-29801
> URL: https://issues.apache.org/jira/browse/FLINK-29801
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Metrics
> Reporter: yuemeng
> Assignee: yuemeng
> Priority: Major
> Labels: pull-request-available
>
> Currently, We have no way to get metric group instances in OperatorCoordinator
> In some cases, we may report some metric in OperatorCoordinator such as Flink
> hudi integrate sceneļ¼ some meta will send to operator coordinator to commit
> to hdfs or hms
> but we also need to report some metrics in operator coordinator for monitor
> purpose
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