Vishy Kasar created CASSANDRA-8194:
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Summary: Reading from Auth table should not be in the request path
Key: CASSANDRA-8194
URL: https://issues.apache.org/jira/browse/CASSANDRA-8194
Project: Cassandra
Issue Type: Bug
Reporter: Vishy Kasar
Attachments: auth-failure.txt
We use PasswordAuthenticator and PasswordAuthorizer. The system_auth has a RF
of 10 per DC over 2 DCs. The permissions_validity_in_ms is 5 minutes.
We still have few thousand requests failing each day with the attached trace.
The reason for this is read cache request realizing that cached entry has
expired and doing a blocking request to refresh cache.
We should have cache refreshed periodically only in the back ground. The user
request should simply look at the cache and not try to refresh it.
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