From owner-freebsd-questions Wed May 31 17:25:58 2000 Delivered-To: freebsd-questions@freebsd.org Received: from priv-edtnes04-hme0.telusplanet.net (edtnes04.telus.net [199.185.220.104]) by hub.freebsd.org (Postfix) with ESMTP id A1F2037BCD3 for ; Wed, 31 May 2000 17:25:53 -0700 (PDT) (envelope-from james@aspert.com) Received: from james ([209.53.42.103]) by priv-edtnes04-hme0.telusplanet.net (InterMail vM.4.01.02.11 201-229-116-111) with SMTP id <20000601002552.HUP4208.priv-edtnes04-hme0.telusplanet.net@james>; Wed, 31 May 2000 18:25:52 -0600 Message-ID: <004601bfcb61$73452200$672a35d1@james> From: "James A. Peltier" To: , "Len Conrad" References: <4.3.1.0.20000531185231.023f3ca0@mail.go2france.com> Subject: Re: Performance Tuning Date: Wed, 31 May 2000 17:33:48 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2919.6700 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG where can i find information for using FreeBSD in a mail cluster, web cluster, or DNS cluster. It would be nice to have failover for these services as well as firewall/proxy services. - James A. Peltier ----- Original Message ----- From: "Len Conrad" To: Sent: Wednesday, May 31, 2000 9:58 AM Subject: Re: Performance Tuning > > >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