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https://issues.apache.org/jira/browse/KAFKA-559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14185380#comment-14185380
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Ewen Cheslack-Postava commented on KAFKA-559:
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This is an updated version of the patch by [~tejas.patil]. I'm pretty sure I've
addressed all the issues [~jjkoshy] brought up.
> Garbage collect old consumer metadata entries
> ---------------------------------------------
>
> Key: KAFKA-559
> URL: https://issues.apache.org/jira/browse/KAFKA-559
> Project: Kafka
> Issue Type: New Feature
> Reporter: Jay Kreps
> Assignee: Ewen Cheslack-Postava
> Labels: newbie, project
> Attachments: KAFKA-559.patch, KAFKA-559.v1.patch, KAFKA-559.v2.patch
>
>
> Many use cases involve tranient consumers. These consumers create entries
> under their consumer group in zk and maintain offsets there as well. There is
> currently no way to delete these entries. It would be good to have a tool
> that did something like
> bin/delete-obsolete-consumer-groups.sh [--topic t1] --since [date]
> --zookeeper [zk_connect]
> This would scan through consumer group entries and delete any that had no
> offset update since the given date.
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