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https://issues.apache.org/jira/browse/CASSANDRA-20293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17940123#comment-17940123
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Tiago L. Alves commented on CASSANDRA-20293:
--------------------------------------------
Wouldn't it make sense to apply this patch to C* 4 and upwards (either
regarding performance or minimizing diff between versions)?
> Minimise expensive reads during authz flow in 3.0 & 3.11
> ---------------------------------------------------------
>
> Key: CASSANDRA-20293
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20293
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Feature/Authorization
> Reporter: Michael Semb Wever
> Assignee: Sam Tunnicliffe
> Priority: Urgent
> Fix For: 3.0.32, 3.11.19
>
>
> -CASSANDRA-20090- regressed authorisation performance in 3.0.31 and 3.11.18
> releases.
> Every call to auth is (via the isSuper call) going to disk.
> This is not an issue for 4.0 and newer due to improvements to the caching of
> role metadata in CASSANDRA-14497
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