RE: [Exim] Performance: Solaris and Linux

Thanks to everyone who responded and for the emails. We're going to go
with a Dell/Linux solution for our Exim MX cluster. The price and
performance are fantastic.

Steven

> -----Original Message-----
> From: exim-users-admin@??? [mailto:exim-users-admin@exim.org] On
> Behalf Of Stefan Kaltenbrunner
> Sent: Thursday, October 30, 2003 12:59 PM
> To: Steven Dossett; exim-users@???
> Subject: Re: [Exim] Performance: Solaris and Linux
>
>
>
> Steven Dossett wrote:
>
> > Hi folks,
> >
> > I'm new to the list and this is my first post ;) I'm working on a
> > deployment
> > of exim as the standard mail exchangers for our company. We have a
bit
> > of
> > "big iron" (well, modest iron) serving customers today without mail
> > exchanger
> > functionality split off into multiple hosts. In considering exim for
> > splitting out this task.
>
> aah - sounds very familiar - this is a thing we had 6 months ago at
our
> place :-)
>
> > However, my testing indicates that I can get much better
performance
> > running Linux. The performance difference I'm seeing in this price
range
> > is startling.
>
> yes yes and yes again - this matches perfectly with our experience (we
> also tested with some of our (existing) V120 and E4(2)20 gear - with
> similiar (frustrating) results ...
>
> > At 8 postal processes and above I saw the Netra pretty much bottom
out
> > as far
> > as available idle CPU cycles. This allowed me to again see the
sporadic
> > mix of
> > slow answer times. On the other hand the Dell, even at 32 postal
> > processes,
> > was still approximately 50% idle.
>
> and now weight in further possible extension to this mailsystem like
> spam or virusfiltering which really needs a lot of CPU-cyles - in our
> experience you can hardly beat one of the modern/latest X86-CPUs in
this
> tasks, they have just to many M(G)Hz to burn in comparison to a
> (technically maybe better) Sparc-CPU.
>
> > Is
> > anyone out there running Exim 4.24 on Linux in a similar
configuration?
> > How
> > has it performed for you? Do you have any general Exim on Linux
> > suggestions
> > that I should keep in mind before moving forward with a Dell/Linux
> > solution?
>
> We are on Debian Linux/IBM xSeries(2GB RAM, 2Ghz XEON with 15K SCSI
> disks) here and I think I can assure you we will never look back to
our
> older Sun installations (except for a good laugh about the performance
> or so *g*)
>
>
>
>
> Stefan
>
>
> --
>
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