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https://issues.apache.org/jira/browse/KAFKA-8356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16847996#comment-16847996
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ASF GitHub Bot commented on KAFKA-8356:
---------------------------------------
abbccdda commented on pull request #6815: KAFKA-8356: add static membership
info to round robin assignor
URL: https://github.com/apache/kafka/pull/6815
The purpose here is to leverage static membership information during round
robin consumer assignment, because persistent member id could help make the
assignment remain the same during rebalance.
The comparison logic is changed to:
1. If member A and member B both have `group.instance.id`, then compare
their `group.instance.id`
2. If member A has `group.instance.id`, while member B doesn't, then A < B
3. If both member A and B don't have `group.instance.id`, compare their
`member.id`
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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> Add static membership to Round Robin assignor
> ---------------------------------------------
>
> Key: KAFKA-8356
> URL: https://issues.apache.org/jira/browse/KAFKA-8356
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Boyang Chen
> Assignee: Boyang Chen
> Priority: Major
>
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