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https://issues.apache.org/jira/browse/KAFKA-10242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17153229#comment-17153229
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Boyang Chen commented on KAFKA-10242:
-------------------------------------
Is this really critical? I think we could downgrade to major.
Besides, we need to kick off a KIP discussion if we haven't done yet, and link
it to the JIRA.
> Adding metrics to track the total count of idempotent producers that Broker
> need to track
> -----------------------------------------------------------------------------------------
>
> Key: KAFKA-10242
> URL: https://issues.apache.org/jira/browse/KAFKA-10242
> Project: Kafka
> Issue Type: Improvement
> Components: producer
> Affects Versions: 2.5.0
> Reporter: Ming Liu
> Priority: Critical
> Labels: needs-kip
> Fix For: 2.7.0
>
>
> We found it is very useful to track the total number of idempotent producers
> that broker is tracking.
> In our production environment, we have many idempotent producers for a
> cluster and sometimes that number increased to very high number which
> requires some attention to mitigate.
> This is especially true for client (< 2.4) where the client retry might
> generate too many different idempotent producers which can trigger broker GC.
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