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