Jeremy Hanna created CASSANDRA-15522:
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             Summary: Update defaults for the validity timeframe of roles, 
permissions, and credentials
                 Key: CASSANDRA-15522
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15522
             Project: Cassandra
          Issue Type: Improvement
          Components: Feature/Authorization
            Reporter: Jeremy Hanna


It's been found that the defaults for \{roles_validity_in_ms}, 
\{permissions_validity_in_ms}, and \{credentials_validity_in_ms} have been too 
low at 2000 ms or 2 seconds each.  As [~alexott] put it in the dev list 
discussion about defaults:

{quote}

I have seen multiple times when authentication was failing under the heavy load 
because queries to system tables were timing out - with these defaults people 
may still have the possibility to get updates to roles/credentials faster when 
specifying _update_interval_ variants of these configurations.

{quote}

The suggestion is to set it to 60000 (1 minute) or 120000 (2 minutes).



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