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https://issues.apache.org/jira/browse/KAFKA-17488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17881143#comment-17881143
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João Pedro Fonseca commented on KAFKA-17488:
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[~mjsax], based on what I have searched, I suppose this task is related to
[KIP-444|https://cwiki.apache.org/confluence/display/KAFKA/KIP-444%3A+Augment+metrics+for+Kafka+Streams]
and
[KIP-743|https://cwiki.apache.org/confluence/display/KAFKA/KIP-743%3A+Remove+config+value+0.10.0-2.4+of+Streams+built-in+metrics+version+config].
Could you confirm it?
> Cleanup (test) code for Kafka Streams "metric version"
> ------------------------------------------------------
>
> Key: KAFKA-17488
> URL: https://issues.apache.org/jira/browse/KAFKA-17488
> Project: Kafka
> Issue Type: Task
> Components: streams, unit tests
> Reporter: Matthias J. Sax
> Assignee: João Pedro Fonseca
> Priority: Minor
>
> In Kafka Streams, we move from old metrics to new metrics, and added a config
> for users to explicitly opt into using the new metric.
> While we did remove old metric in the code base completely, we kept the
> config (what is desired, as if we make a similar change in the future the
> config would just be there), however, there is still code left which still
> uses the config for no good reason (especially test code).
> It might be worth to cleanup a little bit.
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