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https://issues.apache.org/jira/browse/KAFKA-8802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16911663#comment-16911663
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Sophie Blee-Goldman commented on KAFKA-8802:
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Hi [~f2005...@gmail.com], I can't really give an exact number since it depends
on so many factors.
> ConcurrentSkipListMap shows performance regression in cache and in-memory
> store
> -------------------------------------------------------------------------------
>
> Key: KAFKA-8802
> URL: https://issues.apache.org/jira/browse/KAFKA-8802
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 2.3.0
> Reporter: Sophie Blee-Goldman
> Assignee: Sophie Blee-Goldman
> Priority: Major
> Fix For: 2.4.0, 2.3.1
>
>
> The use of ConcurrentSkipListMap in the cache and in-memory stores caused a
> performance regression in 2.3.0. We should revert back to using TreeMap
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