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Posted to jira@kafka.apache.org by "cyberpunkoff (via GitHub)" <gi...@apache.org> on 2025/08/07 09:10:59 UTC

Re: [PR] Clarification of topic configuration 'retention.bytes' [kafka]

cyberpunkoff commented on PR #19051:
URL: https://github.com/apache/kafka/pull/19051#issuecomment-3163231075

   I agree. Description of this property seems really misleading.
   
   I would think of it as "guaranteed amount of bytes to be available in partition".
   
   Definitely not maximum. Ran into that in production, and couldn't understand why our partition size grow larger than retention.bytes
   
   Glad I'm not alone who noticed this behaviour!)


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