Re: Reducing Load on Amavisd-new/Spamassassin/Antivir

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On Thu, 2005-03-03 at 08:10 +0100, Roger Grosswiler wrote:
> > Am Mi, den 02.03.2005 schrieb Roger Grosswiler um 21:14:
> >
> >> so, i do my very best to answer all your questions:
> >>
> >> 1) i don't use clam, i use antivir (h+b edv)
> >
> > Yes, I did understand that from your first posting. I don't think
> > antivir is a problem.
> There was another posting assuming that i use clam ;-)
> >
> >> 2) the machine is a old p3/866 mhz with 128 mb ram only, running fc3 (a
> >> granny machine...)
> >
> > Low on RAM, but CPU power is enough for what you run and the amount of
> > mail.
> yeah, but this thing runs also mysql, apache, postgre....
> >
> >> 3) mail quantity is about 300-400 per day. Average use is according to
> >> tload between 0.90 and 3.50 (peaks) avg about 1.3 *ouch*
> >
> > So Ø 1 mail each 2 minutes. That is not much. Can you say how long a
> > mail needs from initial connect by the foreign MTA up to the final
> > storage?
> 
> it takes up to 2 minutes, if 2 mail come at the same time up to 5.
> >
> >> 4) spamassassin is running as daemon (3 childprocesses)
> >> 5) amavisd-new is running as dameon (3 childprocesses)
> >
> > Is fine I think. Did you import a lot of custom rulesets into
> > SpamAssassin additional to those coming with the package (keyword: rules
> > du jour)? Do you use RBL checks with SpamAssassin and other external
> > checks?
> >
> external checks are already done by postfix, including extension-checking, rbl (no dul, i am dial-up mysqlf ;-)), very
> low-end conf-file for amavis...
> 
> by the other hand, i have a thread running /dev/sda slowly dieing....perhaps, this influes "speed" too...
> 
---
we just recently concluded a two week discussion about implementing
greylisting which greatly reduces the load of spamassassin since not
much get's through...you should consider implementing it - see the
archives for the month of February

Craig


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