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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