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Posted to jira@kafka.apache.org by GitBox <gi...@apache.org> on 2023/01/05 23:10:20 UTC

[GitHub] [kafka] junrao commented on pull request #13075: KAFKA-9087 Replace log high watermark by future log high watermark wh…

junrao commented on PR #13075:
URL: https://github.com/apache/kafka/pull/13075#issuecomment-1372910405

   @jolshan : It seems that this is a regression introduced in https://github.com/apache/kafka/pull/6841. When a future log is just created, the current log's HWM could be higher than the future replica's HWM (since it's bounded by its log end offset). When the future replica starts fetching, we want it to fetch from its local HWM, not the current log's HWM. Otherwise, there will be holes in the future log.


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