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https://issues.apache.org/jira/browse/KAFKA-7206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yishun Guan reassigned KAFKA-7206:
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Assignee: Yishun Guan
> Enable batching in FindCoordinator
> ----------------------------------
>
> Key: KAFKA-7206
> URL: https://issues.apache.org/jira/browse/KAFKA-7206
> Project: Kafka
> Issue Type: Improvement
> Components: admin
> Reporter: Yishun Guan
> Assignee: Yishun Guan
> Priority: Critical
> Labels: needs-discussion, needs-kip, newbie++
>
> To quote [~guozhang] :
> "The proposal is that, we extend FindCoordinatorRequest to have multiple
> consumer ids: today each FindCoordinatorRequest only contains a single
> consumer id, so in our scenario we need to send N request for N consumer
> groups still. If we can request for coordinators in a single request, then
> the workflow could be simplified to:
> # send a single FindCoordinatorRequest to a broker asking for coordinators
> of all consumer groups.
> 1.a) note that the response may still succeed in finding some coordinators
> while error on others, and we need to handle them on that granularity (see
> below).
> # and then for the collected coordinator, group them by coordinator id and
> send one request per coordinator destination.
> Note that this change would require the version to be bumped up, to
> FIND_COORDINATOR_REQUEST_V3 for such protocol changes, also the RESPONSE
> version should be bumped up in order to include multiple coordinators."
> A KIP is needed.
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