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https://issues.apache.org/jira/browse/KAFKA-4015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15753796#comment-15753796
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huxi commented on KAFKA-4015:
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[~damianguy] I did not find any occurrence in the doc or source code for
'compact_and_delete' policy? Is it really added into the 0.10.1 codebase?
> Change cleanup.policy config to accept a list of valid policies
> ---------------------------------------------------------------
>
> Key: KAFKA-4015
> URL: https://issues.apache.org/jira/browse/KAFKA-4015
> Project: Kafka
> Issue Type: New Feature
> Components: core
> Affects Versions: 0.10.1.0
> Reporter: Damian Guy
> Assignee: Damian Guy
> Fix For: 0.10.1.0
>
>
> There are some use cases where it is desirable to have a topic that supports
> both compact and delete policies, i.e., any topic that wants to be compacted
> by key, but also wants keys that haven't been updated for some time to be
> automatically expired.
> Add a new compact_and_delete option to cleanup.policy. When set, both compact
> and delete cleanup strategies should run. This change needs to guarantee
> thread-safety.
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