[jira] [Commented] (KAFKA-8147) Add changelog topic configuration to KTable suppress

["John Roesler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-8147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16799102#comment-16799102 ] 

John Roesler commented on KAFKA-8147:
-------------------------------------

Hi [~mjduijn],

Thanks for this idea!

This would need a quick KIP, but I don't think it would be too controversial. If you're interested in working on this, I'd be happy to provide whatever assistance/guidance you need. In that case, I think we have time to get it in to 2.3.

Offhand, it seems like we should add `withLoggingEnabled/Disabled` to BufferConfig, but we could explore alternatives in the KIP thread.

Related, while working on KAFKA-7224, I've started to think we may want to be able to configure the bytes store as well, so it's possibly a good idea to design the logging feature with this in mind as well.

Let me know your thoughts!

Thanks again,

John

> Add changelog topic configuration to KTable suppress
> ----------------------------------------------------
>
>                 Key: KAFKA-8147
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8147
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>    Affects Versions: 2.1.1
>            Reporter: Maarten
>            Priority: Minor
>              Labels: needs-kip
>
> The streams DSL does not provide a way to configure the changelog topic created by KTable.suppress.
> From the perspective of an external user this could be implemented similar to the configuration of aggregate + materialized, i.e., 
> {code:java}
> changelogTopicConfigs = // Configs
> materialized = Materialized.as(..).withLoggingEnabled(changelogTopicConfigs)
> ..
> KGroupedStream.aggregate(..,materialized)
> {code}



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