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https://issues.apache.org/jira/browse/KAFKA-5201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edoardo Comar resolved KAFKA-5201.
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Resolution: Not A Problem
> Compacted topic could be misused to fill up a disk but deletion policy can't
> retain legitimate keys
> ----------------------------------------------------------------------------------------------------
>
> Key: KAFKA-5201
> URL: https://issues.apache.org/jira/browse/KAFKA-5201
> Project: Kafka
> Issue Type: Improvement
> Reporter: Edoardo Comar
>
> Misuse of a topic with cleanup policy = compact
> could lead to a disk being filled if a misbehaving producer keeps producing
> messages with unique keys.
> The mixed cleanup policy compact,delete could be adopted, but would not
> guarantee that the latest "legitimate" keys will be kept.
> It would be desirable to have a cleanup policy that attempts to preserve
> messages with 'legitimate' keys
> This issue needs a KIP but I have no proposed solution yet at the time of
> writing.
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