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https://issues.apache.org/jira/browse/KAFKA-17745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17912339#comment-17912339
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PoAn Yang commented on KAFKA-17745:
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Hi [~jimmywang611], I will handle this. Thanks for asking.
> Move static request validation from GroupMetadataManager to
> GroupCoordinatorService
> -----------------------------------------------------------------------------------
>
> Key: KAFKA-17745
> URL: https://issues.apache.org/jira/browse/KAFKA-17745
> Project: Kafka
> Issue Type: Sub-task
> Reporter: David Jacot
> Priority: Major
>
> At the moment, we validate the request in the GroupMetadataManager. It means
> that the validation runs within the group coordinator threads. In case of
> rogue requests, it would unnecessarily use resources from those threads. It
> would be better to do the static validation in the GroupCoordinatorService
> while still running in the request handler threads. I haven't looked into all
> the details but it seems feasible.
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