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https://issues.apache.org/jira/browse/KAFKA-7851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16749102#comment-16749102
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Christian Richter commented on KAFKA-7851:
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[~mjsax] Thank you, yes that is exactly what I was hoping for. I don't think
there is an explicit other Jira issue for it yet, as I did the search
beforehand to not duplicate it... either way where it's captured, this is a
great proposal and I would be really looking forward to it.
> Continue data streaming while rebalancing
> -----------------------------------------
>
> Key: KAFKA-7851
> URL: https://issues.apache.org/jira/browse/KAFKA-7851
> Project: Kafka
> Issue Type: Improvement
> Reporter: Christian Richter
> Priority: Major
>
> At the moment, consumers will not receive further data when a rebalancing is
> triggered. In cases where many hundreds of consumers are re-balanced, the
> data stream is significantly interrupted by the rebalancing, especially as
> the time for the rebalancing is longer for many consumers.
> By still streaming data to the consumers till the new generation is put in
> place, the data stream would be more consistent and stable.
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