[Dovecot] Cache details

Timo Sirainen tss at iki.fi
Sun Nov 30 04:42:40 EET 2008

On Tue, 2008-11-25 at 13:57 +0200, Warren Baker wrote:
> Hi All,
> Is there any specific details we can extract from dovecots authentication
> cache (besides Authentication cache hits)?
> Reason i am asking is because we had a mysql user account which was
> returning a unknown user account. Fixing the one value in the sql result
> didnt have any affect and Dovecot was still returning an auth failure for
> the user after 24 hours had elapsed, even though auth_cache_negative_ttl was
> set to 120.
> Restarting Dovecot or a SIGHUP on dovecot-auth sorted out the problem. It
> would be useful if we could interrogate the cache somehow to see what cache
> entry is been hit.

auth_debug=yes would help debugging this. Seems to work correctly with

dovecot: Nov 30 04:40:56 Info: auth(default): cache(test, hit: 
dovecot: Nov 30 04:40:56 Info: auth(default): cache(test, User unknown
dovecot: Nov 30 04:41:11 Info: auth(default): cache(test, expired
dovecot: Nov 30 04:41:11 Info: auth-worker(default): sql(test, query: select password from users where username = 'test'

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