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Posted to jira@kafka.apache.org by "Otmar Ertl (Jira)" <ji...@apache.org> on 2025/11/04 15:11:00 UTC

[jira] [Created] (KAFKA-19861) Optimization of the Murmur2 hash computation

Otmar Ertl created KAFKA-19861:
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             Summary: Optimization of the Murmur2 hash computation
                 Key: KAFKA-19861
                 URL: https://issues.apache.org/jira/browse/KAFKA-19861
             Project: Kafka
          Issue Type: Improvement
            Reporter: Otmar Ertl


The Murmur2 hash computation can be significantly sped up by utilizing Java's VarHandle to fetch multiple bytes simultaneously.

see [PR|https://github.com/apache/kafka/pull/2035]



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