> <[EMAIL PROTECTED]> said:
> > > We are using Courier-MTA, which includes pop, imap, and webmail in a
> > > single package. ClamAV is called from amavisd-new and SA is called
> > > (as spamc/spamd) by maildrop prior to delivery.
> >
> > What kind of traffic do you handle? What is your typical system load?
> > How much CPU does
> > spamd take? What is your max-children for spamd?
>
> We use a single-processor Athlon 1.5GHz with 768MB RAM for SpamAssassin.
> It does nothing but run mail through spamd and relay it inside our
> network. Max-children is set at 50. I think if you're using amavisd-new
> you probably want to watch your RAM utilization though, IIRC it uses a
> lot more than plain-jane spamd, which is already big. RAM availability
> is more important than CPU power.
>
> Normal system load averages 0.15, with about 5 spamd processes running.
> Peak load varies, very occasionally going above 8, with around 30 spamd
> processes at once. This system has been processing about 20,000 messages
> per day lately.
Thanks for the good info. I'm glad to hear that spamd *should* work without
being as CPU-intensive as it has been for me. We are on a Pentium IV with
1GB RAM and recieve at our peak around 200 msgs/min. (actual peak is
something like 280, but we average closer to 100, about 40K msgs go through
SA each day).
The kicker is that with only 5 spamd children, I see each child eating up on
average something like 20% CPU... it is not unusual to see spamd processes at
40% or even 50%. I have not installed custom rules, have not done anything
except install the software. I use SQL-based prefs and Bayes (but bayes is
off since even w/out bayes, we see a load of around 17 during business hours
and mail is always on the borderline of backing up)... we use a ramdisk
(tmpfs) for the directory that DCC unpacks messages, we run a local named DNS
server, and set the LANG environment variable to en_US before startup.
I am at a complete loss as to what to do, and no one has been able to make
any good suggestions at all.
Help!
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