[ https://issues.apache.org/jira/browse/KAFKA-19899 ]
Anton Vasanth deleted comment on KAFKA-19899:
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was (Author: JIRAUSER311269):
I’ve been reviewing the regex subscription behaviour and would like to work on
this issue. One clarification before I begin implementation:
When a regex subscription transitions from matching ≥1 topics to matching 0
topics, we should bump the group epoch and trigger a rebalance so that the
consumer releases its assignments — is that the intended behaviour?
> Bumping group epoch when member regex subscription changes from non empty to
> empty
> ----------------------------------------------------------------------------------
>
> Key: KAFKA-19899
> URL: https://issues.apache.org/jira/browse/KAFKA-19899
> Project: Kafka
> Issue Type: Bug
> Reporter: Dongnuo Lyu
> Assignee: Anton Vasanth
> Priority: Blocker
> Fix For: 4.2.0
>
>
> We should trigger a group epoch bump when the updated member regex
> subscription is empty and the current member's is not.
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