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https://issues.apache.org/jira/browse/CASSANDRA-16404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17315578#comment-17315578
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Alexey Zotov commented on CASSANDRA-16404:
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[~blerer]
Thanks for the quick response! It would be great if you could provide some
input regarding other open questions in the PR description (unit tests was one
of the questions). So I'll be able to address everything before your next
review attempt.
> Provide a nodetool way of invalidating auth caches
> --------------------------------------------------
>
> Key: CASSANDRA-16404
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16404
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Authorization
> Reporter: Sumanth Pasupuleti
> Assignee: Alexey Zotov
> Priority: Normal
> Fix For: 4.x
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> We currently have nodetool commands to invalidate certain caches like
> KeyCache, RowCache and CounterCache.
> Being able to invalidate auth caches as well can come in handy in situations
> where, critical backend auth changes may need to be in effect right away for
> all the connections, especially in configurations where cache validity is
> chosen to be for a longer duration. An example can be that an authenticated
> user "User1" is no longer authorized to access a table resource "table1" and
> it is vital that this change is reflected right away, without having to wait
> for cache expiry/refresh to trigger.
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