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Posted to jira@kafka.apache.org by "Jason Gustafson (Jira)" <ji...@apache.org> on 2021/08/18 16:24:00 UTC

[jira] [Created] (KAFKA-13214) Consumer should not reset group state after disconnect

Jason Gustafson created KAFKA-13214:
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             Summary: Consumer should not reset group state after disconnect
                 Key: KAFKA-13214
                 URL: https://issues.apache.org/jira/browse/KAFKA-13214
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 2.8.0, 2.7.0
            Reporter: Jason Gustafson


When the consumer disconnects from the coordinator while a rebalance is in progress, we currently reset the memberId and generation. The coordinator then must await the session timeout in order to expire the old memberId. This was apparently a regression from https://github.com/apache/kafka/commit/7e7bb184d2abe34280a7f0eb0f0d9fc0e32389f2#diff-15efe9b844f78b686393b6c2e2ad61306c3473225742caed05c7edab9a138832R478. It would be better to keep the memberId/generation.



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