Optimizing setup (MS, Clamav and SpamAssassin)

[Martin Hepworth]

Robert

using tmpfs for the MS work area and other little tweeks you should be
able to process well above the 100K day you get on that spec.

You might want to add more RAM, but 1GB should be Ok to start with.

You'll also need to fine the number of children and max messages per
children, but this is a suck it and see tuning.

There were some conversions on testing throughput onver the the last
couple so you may want to check the archives on this..

--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300


Robert Mena wrote:
> Hi,
>
> I am newbie to the trio ms/clamav/ss so I am looking
> for tips regarding optimizing results/performance.
>
> I've already made it work in my devel machine but
> moving to the production is another story.  First I'd
> like to share my current setup and problems...
>
> I use a qmail+rav (antivirus and antispam) and receive
> 10K messages during a normal day and up to 100K in a
> spam/virus outbreak situation.
>
> When this happens my users complain about the delay of
> the email since it can take hours to be processed from
> the queue to the user's maildir.
>
> I am moving to exim+ms+clamav+ss and one of the
> strategies I plan to adopt is to have diferent
> incoming queues.  The "standard" exim.in queue and
> another exim2.in to be used when the source address
> belongs to certain classes (for ex. dsl/cable
> companies).
>
> I'd have another process of exim running in a diferent
> port (ex. 26) with iptables redirecting.  This exim
> would have more restrictive settings (such as lower
> number of connections, cc's etc).  Since most of my
> spam/virus comes from those
> broadband-dont-upgrade-machines I'd would end up with
> a lower queue of spam/virus.
>
> From MS seems easy since I can define the incoming
> queues in a separate file (/var/spool/exim.in/incoming
> and /var/spool/exim2.in/incoming) but how about other
> tweaks ?
>
> Like using clamav this way or another, number of
> instances of MS, SpamAssassin etc.
>
> My production machine is a Pentium 4 HT 2.8Ghz with
> 1Gb RAM DDR 400.
>
> Mem:  1029916K av, 1011488K used,   18428K free,
> 0K shrd,  467756K buff  323068K cached
>
> Thanks.
>
> -rt
>
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