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https://issues.apache.org/jira/browse/KAFKA-13134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Jacot resolved KAFKA-13134.
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Fix Version/s: 3.1.0
Reviewer: David Jacot
Resolution: Fixed
> Heartbeat Request high lock contention
> --------------------------------------
>
> Key: KAFKA-13134
> URL: https://issues.apache.org/jira/browse/KAFKA-13134
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Reporter: David Mao
> Assignee: David Mao
> Priority: Minor
> Fix For: 3.1.0
>
>
> On a cluster with high heartbeat rate, a lock profile showed high contention
> for the GroupMetadata lock.
> We can significantly reduce this by invoking the response callback outside of
> the group metadata lock.
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