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Posted to jira@kafka.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/08/14 17:16:00 UTC
[jira] [Commented] (KAFKA-8802) ConcurrentSkipListMap shows
performance regression in cache and in-memory store
[ https://issues.apache.org/jira/browse/KAFKA-8802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16907464#comment-16907464 ]
ASF GitHub Bot commented on KAFKA-8802:
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ableegoldman commented on pull request #7212: KAFKA-8802: ConcurrentSkipListMap shows performance regression in cache and in-memory store
URL: https://github.com/apache/kafka/pull/7212
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> 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
> Priority: Major
> Fix For: 2.4.0, 2.3.1
>
>
> A significant performance regression was seen between 2.2 and 2.3. For in-memory stores, about half of it was improved by removing the ConcurrentSkipListMap.
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