Date: Mon, 04 Nov 2002 19:15:40 -0600 From: Scott Gerhardt <scott@g-it.ca> To: <nbari@unixmexico.com>, <freebsd-isp@freebsd.org> Subject: Re: qmail + 1 million users Message-ID: <B9EC77DC.28E9%scott@g-it.ca> In-Reply-To: <5.1.0.14.2.20021104175841.024c8b58@mail.centerone.com>
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Hmm, 1,000,000 users with 2MB quota each will require 2TB of disk space minimum! You will need an external fiber channel or similar storage array. On 11/4/02 7:03 PM, "Ralph Forsythe" <rf-list@centerone.com> wrote: > I can't really say on the load balancing, but for the other stuff: > > Your system is probably slow because of the swapping - that's a lot of > continuous CPU and disk activity to slam it. I'd say look at the total > memory usage you have now (ram + swap), figure your growth in and scale > accordingly leaving extra ram on top of that. You should avoid swapping at > all costs. > > The dual CPU is good, get the most you can afford there. Your main > bottleneck will be the disks - I recommend you actually run more than 2, if > you can get a high performance RAID controller and several disks running > the load will be split across the spindles and you'll see a major > performance gain, plus data security. With 1 million users I assume you > can afford this. > > If you're load balancing you need to figure out how to replicate the data > across servers. That introduces a lot of complexity into the equation, > since I'm sure there are multiple ways to accomplish what you need but > finding the best one for your scenario and budget could be tricky... > > -rf > > At 04:17 PM 11/4/2002 -0600, you wrote: >> Hi all >> >> i have almost 1 million users and i am using qmail with vpopmail >> right now i have a compaq proliant 2 procesors p III and 1GB ram >> users have 2MB Quota but the servers is geting slow, and i am using almost >> all my swap partition (85%) what hardware do you recomend for this server >> and how can i balance the load on the server >> >> I am thinking on a dual xeon DELL poweredge 6600 with 6GB ram and two 73Gb >> SCSI >> >> Thanks >> >> >> ----------------------------------------- >> "UNIXMEXICO la comunidad *nix en todo México!" >> http://www.unixmexico.org/ >> >> >> >> To Unsubscribe: send mail to majordomo@FreeBSD.org >> with "unsubscribe freebsd-isp" in the body of the message > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message -- Scott Gerhardt, P.Geo. Gerhardt Information Technologies [G-IT] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the messagehelp
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