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  1. Kafka
  2. KAFKA-13214

Consumer should not reset group state after disconnect

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 2.7.0, 2.8.0
    • 2.7.2, 2.8.1, 3.0.0
    • None
    • None

    Description

      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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              hachikuji Jason Gustafson
              hachikuji Jason Gustafson
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                Created:
                Updated:
                Resolved: