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https://issues.apache.org/jira/browse/KAFKA-10673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Mao updated KAFKA-10673:
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Attachment: Screen Shot 2020-11-03 at 8.34.48 PM.png
> ConnectionQuotas should cache interbroker listener name
> -------------------------------------------------------
>
> Key: KAFKA-10673
> URL: https://issues.apache.org/jira/browse/KAFKA-10673
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Affects Versions: 2.7.0
> Reporter: David Mao
> Assignee: David Mao
> Priority: Minor
> Fix For: 2.8.0
>
> Attachments: Screen Shot 2020-11-03 at 8.34.48 PM.png
>
>
> ConnectionQuotas.protectedListener calls `config.interBrokerListenerName`.
> This is a surprisingly expensive call that creates a copy of all properties
> set on the config. Given that this method is called multiple times per
> connection created, this is not really ideal.
>
> Profile attached showing allocations. Allocations in Acceptor.run() made up
> 2% of the allocations on a fairly busy cluster.
>
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