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https://issues.apache.org/jira/browse/FLINK-26077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu updated FLINK-26077:
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Component/s: Runtime / Coordination
> Support operators send request to Coordinator and return a response
> -------------------------------------------------------------------
>
> Key: FLINK-26077
> URL: https://issues.apache.org/jira/browse/FLINK-26077
> Project: Flink
> Issue Type: New Feature
> Components: Runtime / Coordination
> Reporter: Jark Wu
> Priority: Major
>
> Currently, the communitcation between Operator and Coordiator is sigle-way.
> That means, after Operator sending a message to Coordiator, it can't wait to
> get the response message. In some senarios, the Operator may need to retrieve
> some information stored in the Coordinator. Thus, it would be great if we can
> have a two-way communication.
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