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Posted to jira@kafka.apache.org by "David Arthur (Jira)" <ji...@apache.org> on 2022/08/22 18:16:00 UTC

[jira] [Updated] (KAFKA-13896) Support unsafe downgrades in KRaft

     [ https://issues.apache.org/jira/browse/KAFKA-13896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Arthur updated KAFKA-13896:
---------------------------------
    Parent Issue: KAFKA-14175  (was: KAFKA-13410)

> Support unsafe downgrades in KRaft
> ----------------------------------
>
>                 Key: KAFKA-13896
>                 URL: https://issues.apache.org/jira/browse/KAFKA-13896
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: controller, kraft
>            Reporter: David Arthur
>            Priority: Minor
>
> In order to support the "unsafe" downgrade specified in KIP-778 we need to be able to generate a downgraded snapshot on the broker and controller. This snapshot will write out metadata records at the record level that matches the target metadata.version. Records that were added after the target metadata.version will be omitted from the snapshot.
> This also means we need a way to correlate record versions with metadata.version. 



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