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Posted to jira@kafka.apache.org by "li xiangyuan (Jira)" <ji...@apache.org> on 2023/06/19 10:30:00 UTC

[jira] [Created] (KAFKA-15106) AbstractStickyAssignor may stuck in 3.5

li xiangyuan created KAFKA-15106:
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             Summary: AbstractStickyAssignor may stuck in 3.5
                 Key: KAFKA-15106
                 URL: https://issues.apache.org/jira/browse/KAFKA-15106
             Project: Kafka
          Issue Type: Bug
          Components: clients
    Affects Versions: 3.5.0
            Reporter: li xiangyuan


this caould reproduce in ut easily,

just int org.apache.kafka.clients.consumer.internals.AbstractStickyAssignorTest#testLargeAssignmentAndGroupWithNonEqualSubscription,

plz set 

partitionCount=200, 

consumerCount=20,  you can see 

isBalanced will return false forever.



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