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https://issues.apache.org/jira/browse/KAFKA-19393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18036820#comment-18036820
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sanghyeok An commented on KAFKA-19393:
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[~lianetm] Thanks for your comments!
Self assigned!
I will dig into it and work on this thoughtfully and open a draft PR.
If it turns out that I can't fully resolve this issue,
I'll make sure to reassign it to you or ensure that someone else who wanna
solve this problem can take it over without delay!
> Consolidate consumer assignment state views
> -------------------------------------------
>
> Key: KAFKA-19393
> URL: https://issues.apache.org/jira/browse/KAFKA-19393
> Project: Kafka
> Issue Type: Improvement
> Components: clients, consumer
> Reporter: Lianet Magrans
> Assignee: sanghyeok An
> Priority: Major
> Labels: kip-848-client-support
> Fix For: 4.2.0
>
>
> Currently the consumer assignment state is partly in the SubscriptionState
> (where group assignment is updated for both protocols), and in the
> ConsumerMembershipMgr (where assignment is initially received in HB responses
> and reconciled with the new Consumer protocol).
> We should consider extracting the assignment state to have a single view of
> it, that could be used from the SubscriptionState and the MembershipMgrs.
> More context in PR comment (when dealing with making assigned topic IDs
> available in the SubscriptionState, as they are needed to request metadata
> for topics assigned when using broker-side regex)
> https://github.com/apache/kafka/pull/19814#discussion_r2131673167
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