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Posted to dev@kafka.apache.org by "David Jacot (Jira)" <ji...@apache.org> on 2021/06/04 15:38:00 UTC

[jira] [Created] (KAFKA-12898) Owned partitions in the subscription must be sorted

David Jacot created KAFKA-12898:
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             Summary: Owned partitions in the subscription must be sorted
                 Key: KAFKA-12898
                 URL: https://issues.apache.org/jira/browse/KAFKA-12898
             Project: Kafka
          Issue Type: Bug
            Reporter: David Jacot
            Assignee: David Jacot


While investigating https://issues.apache.org/jira/browse/KAFKA-12896, I have noticed that the leader was always sending the same subscribed partitions but not always in the order. The group coordinator compares the provided subscription with the store subscription based on their bytes representation. So if the subscribed partitions are not in the same order, the group coordinator would consider that they are different and rebalance the group.



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