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Posted to commits@cassandra.apache.org by "Dmitry Konstantinov (Jira)" <ji...@apache.org> on 2026/08/20 15:16:00 UTC

[jira] [Created] (CASSANDRA-21589) isOrdinaryUser check performed by Guardrail.enabled is expensive

Dmitry Konstantinov created CASSANDRA-21589:
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             Summary: isOrdinaryUser check performed by Guardrail.enabled is expensive
                 Key: CASSANDRA-21589
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21589
             Project: Apache Cassandra
          Issue Type: Improvement
          Components: Feature/Guardrails
            Reporter: Dmitry Konstantinov
            Assignee: Dmitry Konstantinov
         Attachments: cpu-heatmap_write.html, image-2026-08-20-16-05-55-487.png

We can get like 18% of CPU overhead for this check for a write load if authorization is enabled

[^cpu-heatmap_write.html]

 

!image-2026-08-20-16-05-55-487.png|width=600!



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