Re: Sarge Performance
On 5/21/05, Jochen Schulz <usenet-nospam@well-adjusted.de> wrote:
> * Lars Roland:
> >
> > I just replaced my company anti-virus/anti-spam mail gateway from a
> > Redhat 7.3 with kernel 2.4.24 to Debian Sarge with kernel 2.6.8.1. I
> > had hoped that this transition would lead to better performance (new
> > perl, better drivers in the kernel and so on) but the performance has
> > instead drooped about 30%.
>
> Very intereseting read, Lars. I am afraid I cannot help you very much,
> but your post reminded me of discussions on debian-devel about the
> horrible performane of spamassassin v3. It begins with the subject
> "possible mass bug filing: spamassassin 3". Maybe you retry your
> measurements and make sure it's not spamassassin. Have a look at memory
> consumption as well.
Uhh I did indead mess up the statistics but unfortunatly this meesseup
did not do me any god.
1) Spam scanning is about 18% faster than the old Redhat system.
2) Perl handling of the email is about 12% faster.
3) ClamAv is scanning 8% faster.
I have doubled checked these numbers and they are true (perhaps Perl
5.8 is much faster than the old version 5.6 on Redhat) - note that
most people has performance problems with spamassassin because they
have crappy DNS perfoamnce, I use a dedicated DNS server as a DNS
cache (djbdns cache) to achive high performance.
Regards.
Lars Roland
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