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https://issues.apache.org/jira/browse/CASSANDRA-19529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17834937#comment-17834937
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Nicolas Henneaux commented on CASSANDRA-19529:
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Indeed, I have tried to play a bit with roles_*, permissions_* and
credentials_*. I was using default values for all (2s). I tried to set validity
of 1d and update of 1h for all. It is better like that but there is still an
impact in term on latency when auth_read_consistency_level is not set to
LOCAL_ONE.
!screenshot-2.png!
> Latency regression on 4.1 comparing to 4.0
> ------------------------------------------
>
> Key: CASSANDRA-19529
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19529
> Project: Cassandra
> Issue Type: Bug
> Components: Feature/Authorization
> Reporter: Nicolas Henneaux
> Priority: Normal
> Fix For: 4.1.x, 5.0.x, 5.x
>
> Attachments: screenshot-1.png, screenshot-2.png
>
>
> When upgrading from Cassandra 4.0.10 to 4.1.3, I noticed an increase from
> application point of view latency from ~8ms to ~15ms when upgrading to
> Cassandra. The latency includes 3 simple queries (INSERT + SELECT (PK+CK) +
> UPDATE) plus application overhead.
> It has been investigated in CASSANDRA-18766 to realize it is not related.
> I tested to downgrade to 4.1alpha1 and the latency regression is still there
> with same value.
> The version 4.1.4 has the same issue.
> In a graph how it looks like
> !screenshot-1.png!
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