[Dovecot] MySQL server has gone away

[Timo Sirainen]

On 14.1.2012, at 2.19, Paul B. Henson wrote:

> On Fri, Jan 13, 2012 at 11:38:28AM -0800, Robert Schetterer wrote:
> 
>> by the way , if you use sql for auth have you tried auth caching ?
>> 
>> http://wiki.dovecot.org/Authentication/Caching
> 
> That page says you can send a USR2 signal to the auth process for cache
> stats? That doesn't seem to work. OTOH, that page is for version 1, not
> 2; is there some other way to generate cache stats in version 2?

Works for me. Are you maybe sending it to wrong auth process (auth worker instead of master)?