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Posted to commits@cassandra.apache.org by "Josh McKenzie (Jira)" <ji...@apache.org> on 2021/09/15 14:21:00 UTC
[jira] [Updated] (CASSANDRA-16958) Prewarm role and credentials
caches to avoid timeouts at startup
[ https://issues.apache.org/jira/browse/CASSANDRA-16958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Josh McKenzie updated CASSANDRA-16958:
--------------------------------------
Change Category: Operability
Complexity: Normal
Fix Version/s: 4.x
Status: Open (was: Triage Needed)
> Prewarm role and credentials caches to avoid timeouts at startup
> ----------------------------------------------------------------
>
> Key: CASSANDRA-16958
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16958
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Authorization
> Reporter: Josh McKenzie
> Assignee: Josh McKenzie
> Priority: Normal
> Fix For: 4.x
>
>
> With our current auth querying setup, you can end up with a thundering herd on reconnect due to delays on auth resolution.
> We should instead allow the ability to do a 'select' on all roles and pre-load the cache before turning on native transport. Notably, this could present some unacceptable delays on start with a very large count of users (thousands), or someone who uses a third party auth system rather than the built-in authorizer so this should be configurable and opt-in.
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