Date: Thu, 1 Jun 2000 02:48:31 -0500 (CDT) From: "James A. Mutter" <jmutter@colltech.com> To: Len Conrad <lconrad@go2france.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Performance Tuning Message-ID: <Pine.GSO.4.21.0006010246060.15784-100000@psasolar.private.psa.pencom.com> In-Reply-To: <4.3.1.0.20000531185231.023f3ca0@mail.go2france.com>
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OK - I'll be a little more specific. I'm going to build several (at least 10) of these machines in a load balanced environment. The machines will be running Sendmail 8.X and moving several million messages per day. What I was after was ideas for kernel, network, and disk performance tuning. We're probably only talking about 2 disks here, I assume Vinum will be helpful. Network is 100Mbit, Full Duplex, Switched. On Wed, 31 May 2000, Len Conrad wrote: > > >I'm going to be building a few (several) FreeBSD servers to use in a large > >mail environment. Anyone have any hints or suggestions on what measures I > >might take to ensure peak performance from these boxes? As far as > >hardware is concerned we're probably looking at a PIII/500-700 > >(Whatever is current and available at the time) and a minimum 1G RAM, > >probably 2 to 4. > > See this commercial vendor's performance numbers, his expensive LSMTP > product, and his sizes of machines: > > http://www.lsoft.com/products/default.asp?item=lsmtp > > And then go do the same for free with FreeBSD and postfix and maybe > softupdates filesystem. > > Real speed comes from parallel machines and real reliablity comes from > redundant machines. So build as many FreeBSD/postfix machines as you need. > > I know one FreeBSD/postfix user in the financial sector that runs 20 > FreeBSD/postfix machines to deliver a 100,000 msgs every morning to list > subscribers to stock market lists. > > Len > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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