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Posted to jira@kafka.apache.org by "Guozhang Wang (Jira)" <ji...@apache.org> on 2020/10/08 17:44:00 UTC

[jira] [Resolved] (KAFKA-10271) Performance regression while fetching a key from a single partition

     [ https://issues.apache.org/jira/browse/KAFKA-10271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang resolved KAFKA-10271.
-----------------------------------
    Fix Version/s:     (was: 2.5.2)
                   2.7.0
       Resolution: Fixed

> Performance regression while fetching a key from a single partition
> -------------------------------------------------------------------
>
>                 Key: KAFKA-10271
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10271
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 2.5.0, 2.6.0, 2.5.1
>            Reporter: Dima R
>            Assignee: Dima R
>            Priority: Major
>              Labels: KAFKA-10030, KAFKA-9445, KIP-562
>             Fix For: 2.7.0, 2.6.1
>
>         Attachments: 9020.png
>
>
> This is follow-up bug for KAFKA-10030 
> StreamThreadStateStoreProvider excessive loop over calling internalTopologyBuilder.topicGroups(), which is synchronized, thus causing significant performance degradation to the caller, especially when store has many partitions.
>  



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