Lincong Li created KAFKA-7196:
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Summary: Remove heartbeat delayed operation for those removed
consumers at the end of each rebalance
Key: KAFKA-7196
URL: https://issues.apache.org/jira/browse/KAFKA-7196
Project: Kafka
Issue Type: Bug
Components: core, purgatory
Reporter: Lincong Li
During the consumer group rebalance, when the joining group phase finishes, the
heartbeat delayed operation of the consumer that fails to rejoin the group
should be removed from the purgatory. Otherwise, even though the member ID of
the consumer has been removed from the group, its heartbeat delayed operation
is still registered in the purgatory and the heartbeat delayed operation is
going to timeout and then another unnecessary rebalance is triggered because of
it.
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