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Posted to jira@kafka.apache.org by "travis (Jira)" <ji...@apache.org> on 2025/10/23 03:59:00 UTC

[jira] [Created] (KAFKA-19829) Implement group-level initial rebalance delay

travis created KAFKA-19829:
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             Summary: Implement group-level initial rebalance delay
                 Key: KAFKA-19829
                 URL: https://issues.apache.org/jira/browse/KAFKA-19829
             Project: Kafka
          Issue Type: Improvement
          Components: streams
    Affects Versions: 4.2.0
            Reporter: travis
            Assignee: travis
             Fix For: 4.2.0


During cloudlimits testing, an artifact of the new rebalance protocol showed up. In some cases, the first joining member gets all active tasks assigned, and is slow to revoke the tasks after more member has joined the group. This affects in particular cases where the first member is slow (possibly overloaded in the case of cloudlimits benchmarks) and there are a lot of tasks to be assigned.

To help with this situation, we want to introduce a new group-specific configuration to delay the initial rebalance.



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