[jira] [Resolved] (KAFKA-16192) Introduce usage of flexible records to coordinators

["Chia-Ping Tsai (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-16192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chia-Ping Tsai resolved KAFKA-16192.
------------------------------------
    Fix Version/s: 3.9.0
       Resolution: Fixed

> Introduce usage of flexible records to coordinators
> ---------------------------------------------------
>
>                 Key: KAFKA-16192
>                 URL: https://issues.apache.org/jira/browse/KAFKA-16192
>             Project: Kafka
>          Issue Type: Task
>            Reporter: Justine Olshan
>            Assignee: Justine Olshan
>            Priority: Major
>             Fix For: 3.9.0
>
>
> [KIP-915|https://cwiki.apache.org/confluence/display/KAFKA/KIP-915%3A+Txn+and+Group+Coordinator+Downgrade+Foundation] introduced flexible versions to the records used for the group and transaction coordinators.
> However, the KIP did not update the record version used.
> For [KIP-890|https://cwiki.apache.org/confluence/display/KAFKA/KIP-890%3A+Transactions+Server-Side+Defense] we intend to use flexible fields in the transaction state records. This requires a safe way to upgrade from non-flexible version records to flexible version records.
> This change is implemented via MV or through a new feature type.



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