[Mimedefang] Parameters for tuning mimedefang

-ray ray at ops.selu.edu
Tue Sep 9 14:25:01 EDT 2003


On Tue, 9 Sep 2003, David F. Skoll wrote:

> On Tue, 9 Sep 2003, Ron Hall wrote:
> 
> > 	Given that on a good(bad?) day the mailhub layer will
> > 	see volume of 800 mail/minute what would be good starting
> > 	values for mimedefang?
> 
> 800/minute is a lot; it's 13/second.  I have achieved a throughput of
> 15/second on a dual-Xeon (2.6GHz) linux box with 1GB of RAM.  I used
> a minimum of 5 and a maximum of 15 slaves, doing SpamAssassin and
> Clam AV scanning.  (Actually, this was CanIt, so PostgreSQL got
> thrown into the mix too.)

I saw similar numbers when testing our new mail system, but on a Quad Xeon 
4GB/RAM.  If found a major bottleneck to be the maillog file.  When i set 
syslog to start loging to /dev/null, it increased to 25/second.  anyone 
seen this before?  I know it is a problem for high-capacity websites, and 
some turn off logging in Apache.

ray
-- 
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Ray DeJean  				       	 http://www.r-a-y.org
Systems Engineer                    Southeastern Louisiana University
IBM Certified Specialist  	      AIX Administration, AIX Support
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