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https://issues.apache.org/jira/browse/KAFKA-560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474254#comment-13474254
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Jay Kreps commented on KAFKA-560:
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Filed KAFKA-566 for this.
> Garbage Collect obsolete topics
> -------------------------------
>
> Key: KAFKA-560
> URL: https://issues.apache.org/jira/browse/KAFKA-560
> Project: Kafka
> Issue Type: New Feature
> Reporter: Jay Kreps
>
> Old junk topics tend to accumulate over time. Code may migrate to use new
> topics leaving the old ones orphaned. Likewise there are some use cases for
> temporary transient topics. It would be good to have a tool that could delete
> any topic that had not been written to in a configurable period of time and
> had no active consumer groups. Something like
> ./bin/delete-unused-topics.sh --last-write [date] --zookeeper [zk_connect]
> This requires API support to get the last update time. I think it may be
> possible to do this through the OffsetRequest now?
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