[jira] [Created] (KAFKA-8397) Add pre-registration feature for static membership

[Boyang Chen (JIRA)]

Boyang Chen created KAFKA-8397:
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             Summary: Add pre-registration feature for static membership
                 Key: KAFKA-8397
                 URL: https://issues.apache.org/jira/browse/KAFKA-8397
             Project: Kafka
          Issue Type: Improvement
            Reporter: Boyang Chen
            Assignee: Boyang Chen


After 
[KIP-345|[https://cwiki.apache.org/confluence/display/KAFKA/KIP-345%3A+Introduce+static+membership+protocol+to+reduce+consumer+rebalances]],
 we want to further improve user experience for reducing rebalances by 
providing admin tooling to batch send join group requests for multiple 
consumers if we know their `group.instance.id`s beforehand.



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