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https://issues.apache.org/jira/browse/KAFKA-17457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin McCabe updated KAFKA-17457:
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Fix Version/s: (was: 3.6.3)
> Raise minimum MetadataVersion for ZK migration to 3.6
> -----------------------------------------------------
>
> Key: KAFKA-17457
> URL: https://issues.apache.org/jira/browse/KAFKA-17457
> Project: Kafka
> Issue Type: Task
> Components: controller, migration
> Reporter: David Arthur
> Priority: Blocker
> Fix For: 3.9.0, 3.7.2, 3.8.1
>
>
> In the 3.6.0 release notes, we announced that ZK migrations were production
> ready.
> > The 3.6.0 release marked the first production ready release for the
> > migration of Kafka clusters from a ZooKeeper metadata system to a KRaft
> > metadata system. Users wanting to perform this migration are advised to
> > first upgrade to 3.6.2 or 3.7.1 to receive important bug fixes.
> Part of the reasoning behind this announcement was that the migration was
> feature complete at this point (migration transactions and migration of
> delegation tokens were included in 3.6).
> If users are on a software version of 3.6 or higher, we should not let them
> perform the migration at an older MetadataVersion. Otherwise, the migration
> will be done without the use of metadata transactions, which is not safe.
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