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Posted to jira@kafka.apache.org by "A. Sophie Blee-Goldman (Jira)" <ji...@apache.org> on 2021/12/14 01:18:00 UTC

[jira] [Created] (KAFKA-13542) Utilize the new Consumer#enforceRebalance(reason) API in Streams

A. Sophie Blee-Goldman created KAFKA-13542:
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             Summary: Utilize the new Consumer#enforceRebalance(reason) API in Streams
                 Key: KAFKA-13542
                 URL: https://issues.apache.org/jira/browse/KAFKA-13542
             Project: Kafka
          Issue Type: Task
          Components: streams
            Reporter: A. Sophie Blee-Goldman
             Fix For: 3.2.0


KIP-800 is adding a new "reason" parameter to the Consumer#enforceRebalance API, which will be passed in to a new field of the JoinGroup protocol. We invoke this API throughout Streams for various reasons, which are very useful for debugging the cause of rebalancing. Passing in the reason to this new API would make it possible to figure out why a Streams client triggered a rebalance from the broker logs, which are often the only logs available when the client logs cannot be retrieved for whatever reason



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