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https://issues.apache.org/jira/browse/KAFKA-8642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Boyang Chen resolved KAFKA-8642.
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    Resolution: Invalid

Synced with [~hachikuji], the session timeout should always be smaller than the 
max.poll.interval, as if we could tolerant a long unavailability for a consumer 
such like 10 minutes, then it makes no sense to expect itself making progress 
every 5 minutes.

> Send LeaveGroupRequest for static members when reaching `max.poll.interval.ms`
> ------------------------------------------------------------------------------
>
>                 Key: KAFKA-8642
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8642
>             Project: Kafka
>          Issue Type: Sub-task
>            Reporter: Boyang Chen
>            Assignee: Boyang Chen
>            Priority: Major
>
> Static members don't leave group explicitly. However, when the progress of 
> static member is going low, it might be favorable to let it leave the group 
> to leverage rebalance to shuffle assignment and become progressive again.



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