[jira] [Commented] (KAFKA-3308) Use ProtocolVersion during rolling upgrades to decide on a mutually agreed protocol version between brokers, eliminating the need of inter.broker.protocol.version.

["Ismael Juma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-3308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876227#comment-15876227 ] 

Ismael Juma commented on KAFKA-3308:
------------------------------------

[~singhashish], are you planning to work on this?

> Use ProtocolVersion during rolling upgrades to decide on a mutually agreed protocol version between brokers, eliminating the need of inter.broker.protocol.version.
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-3308
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3308
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Ashish Singh
>            Assignee: Ashish Singh
>              Labels: needs-kip
>
> inter.broker.protocol.version configuration was nice for few releases, but it is getting to be a pain to maintain, remember to update, it breaks on trunk upgrades, etc.
> Since we have KIP-35, the controller can actually check for specific versions supported by brokers for specific API requests. Why not use that and get rid of the configuration?
> We already maintain the protocol versions anyway, upgrades will be smoother, and we'll support upgrades between any two patches.



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