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https://issues.apache.org/jira/browse/KAFKA-6435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17127715#comment-17127715
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Guozhang Wang commented on KAFKA-6435:
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What about just adding a `--internal-topics` instead of a negative regex to the
tools? It is opt-in and by default we still use prefix to get all internal
topics. With that the workflow would be:
1. use dry-run to check the internal topic names;
2. if internal topics name looks good, just without dry-run and without
internal-topics specification; otherwise, list the internal topic names instead.
> Application Reset Tool might delete incorrect internal topics
> -------------------------------------------------------------
>
> Key: KAFKA-6435
> URL: https://issues.apache.org/jira/browse/KAFKA-6435
> Project: Kafka
> Issue Type: Bug
> Components: streams, tools
> Affects Versions: 1.0.0
> Reporter: Matthias J. Sax
> Priority: Major
> Labels: bug, help-wanted, newbie
>
> The streams application reset tool, deletes all topic that start with
> {{<application.id>-}}.
> If people have two versions of the same application and name them {{"app"}}
> and {{"app-v2"}}, resetting {{"app"}} would also delete the internal topics
> of {{"app-v2"}}.
> We either need to disallow the dash in the application ID, or improve the
> topic identification logic in the reset tool to fix this.
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