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Posted to jira@kafka.apache.org by "Chia-Ping Tsai (Jira)" <ji...@apache.org> on 2025/08/17 18:28:00 UTC

[jira] [Updated] (KAFKA-19477) Sticky Assignor JMH Benchmark

     [ https://issues.apache.org/jira/browse/KAFKA-19477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chia-Ping Tsai updated KAFKA-19477:
-----------------------------------
    Fix Version/s: 4.2.0

> Sticky Assignor JMH Benchmark
> -----------------------------
>
>                 Key: KAFKA-19477
>                 URL: https://issues.apache.org/jira/browse/KAFKA-19477
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: streams, unit tests
>            Reporter: Lucas Brutschy
>            Assignee: Lucas Brutschy
>            Priority: Major
>             Fix For: 4.2.0
>
>
> The current assignor used in KIP-1071 is verbatim the assignor used on the client-side. The assignor performance was not a big concern on the client-side, and it seems some additional performance overhead has crept in during the adaptation to the broker-side interfaces, so we expect it to be too slow for groups of non-trivial size.



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