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https://issues.apache.org/jira/browse/CASSANDRA-21588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Konstantinov updated CASSANDRA-21588:
--------------------------------------------
Summary: Stop using Java streams in
CIDRPermissions.SubsetPermissions#canAccessFrom hot method (was: Stop using
Java streams in
org.apache.cassandra.auth.CIDRPermissions.SubsetPermissions#canAccessFrom hot
method)
> Stop using Java streams in CIDRPermissions.SubsetPermissions#canAccessFrom
> hot method
> -------------------------------------------------------------------------------------
>
> Key: CASSANDRA-21588
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21588
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Feature/Authorization
> Reporter: Dmitry Konstantinov
> Assignee: Dmitry Konstantinov
> Priority: Normal
> Attachments: image-2026-08-20-12-26-56-771.png
>
>
> if CIDR check is enabled it may cost like 1% of CPU:
> !image-2026-08-20-12-26-56-771.png|width=600!
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