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https://issues.apache.org/jira/browse/FLINK-29801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17640306#comment-17640306
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Steven Zhen Wu commented on FLINK-29801:
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This is an important missing part of coordinator. I am also very interested in
this for FLIP-27 Iceberg source. [~MengYue] [~ruanhang1993] do you want to
start a discussion thread of the FLIP-274?
I have two questions.
1. There is already an empty `OperatorCoordinatorMetricGroup` interface in
Flink. what is the reason to add this method to the interface?
{code}
/**
* The total number of events received since the operator coordinator
started.
*/
Counter getNumEventsInCounter();
{code}
2. How can the metric group be passed to `SourceCoordinatorContext`?
> 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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