Re: Benefits of dual CPU for a web server

From: Robert Heller (heller_at_deepsoft.com)
Date: 01/24/05 

Date: Mon, 24 Jan 2005 23:58:22 +0100

  Ignoramus18155 <ignoramus18155@NOSPAM.18155.invalid>,
  In a message on 24 Jan 2005 17:25:53 GMT, wrote :

I> On Mon, 24 Jan 2005 11:37:57 -0500, John-Paul Stewart <jpstewart@binaryfoundry.ca> wrote:
I> > Ignoramus18155 wrote:
I> >> I am going to buy a new rackmount server for my websites. They will
I> >> run under Linux. My question is, is there a tangible benefit from
I> >> using a DUAL CPU, in the context of a webserver, mail server, etc.
I> >>
I> >> Seems like yes, but I want to hear from people with some experience.
I> >
I> > It all depends on how much traffic you're serving, whether that
I> > content
I>
I> About 10-20GB per month
I>
I> > is dynamic or static (dynamic content takes more CPU power, obviously),
I>
I> Almost all dynamic, perl, mod_perl, Embperl, plus pictures.
I>
I> This machine is also a heavily loaded mailserver, tens of thousands of
I> messages per day.
I>
I> > how fast your connection to the Internet is (a single modern CPU can
I> > easily max out a slow connection) and many other factors.
I>
I> I will colocate it, so, it will be fast enough connection.
I>
I> > If you're serving just web content, you can serve up a fair bit with
I> > just one CPU. OTOH, if the one machine is your webserver, your mail
I> > server, and your database server, then obviously dual CPUs will be
I> > of more benefit than if you were serving the same amount of web
I> > content from a dedicated box with other dedicated boxes for the
I> > other tasks.
I>
I> How stable is dual CPU under linux. I do not want unpleasant
I> surprises.

Linux SMP is quite stable. You will NOT be 'unpleasantly' surprised...

I>
I> Thanks!
I>
I> i
I>
I> --
I>

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