[Dovecot] What's the parameter -w for dovecot-auth: dovecot -w

[ldaamandy]

thank you Darren Pilgrim      and  what should I do to not let dovecot -w start?  i  want to keep one dovecot-auth . Is it set in the dovecot.conf ? 
 
> Date: Mon, 6 Jan 2014 01:39:21 -0800
> From: list_dovecot at bluerosetech.com
> To: amandy_lda at outlook.com; dovecot at dovecot.org
> Subject: Re: [Dovecot] What's the parameter -w for dovecot-auth:   dovecot -w
> 
> On 1/6/2014 1:17 AM, ldaamandy wrote:
> > What's the parameter -w for dovecot-auth: dovecot -w my service of
> > dovecot-auth always activing two: one is" dovecot-auth", the other
> > is" dovecot-auth -w" i don't know the diffevent between them
> 
> According to the Dovecot 1.x wiki:
> 
> 'dovecot-auth -w process is an "authentication worker" process. It's 
> used only with some "blocking" authentication databases, such as MySQL.'
> 
> http://wiki1.dovecot.org/RunningDovecot