Date: Sat, 24 May 1997 17:47:08 -0400 (EDT) From: "Gary D. Margiotta" <gary@tbe.net> To: "Daniel O'Callaghan" <danny@panda.hilink.com.au> Cc: Robert Heron <rh@mtl.pl>, Jack Wenger <info@bentreality.com>, freebsd-isp@FreeBSD.ORG Subject: Re: Clients per Bandwidth Message-ID: <Pine.BSF.3.95q.970524172202.17192A-100000@lightning.tbe.net> In-Reply-To: <Pine.BSF.3.91.970525061209.14689a-100000@panda.hilink.com.au>
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We have a Cyrix-150+ with 24 Mb of ram one one server, with roughly 10 virtual domains, and 1 Cyrix-166+ with 32Mb co-location handling about 15 domains. Both machines are running Adaptec 2940's with 1 2.1 Gb DEC SCSI-2 drive in each. We have a 128k Frame Relay line. The 150+ handles probably 300,000 hits/month, 10 die-hard IRC-bot users, probably 2000 - 2500 e-mails a day. The 166+ handles probably close to 750,000 hits/month with probably 250 e-mails a day. (but is not an adult site - very important) Our bandwith utilization is probably around 40 - 50 Kb average, but spikes to 100 or so every once in a while, though that is not for extended periods of time If the sites you are hosting are bandwith hogs (adult sites per say), you will outgrow that 128k VERY quickly. Our sites are really mostly text, not too many images nor is there much for people to download, and that is also a big factor. If the sites have many big pictures, or if they provide software or other downloadable information, that can also hog bandwith quite easily. The machine you have should have no problem whatsoever hosting the sites. A friend of mine had his website on a 386-DX/33 with 8 Mb of RAM, and there was only a problem when the site was receiving a heavy amount of hits in rapid succession. This was due to the fact that he didn't have enough RAM or swap space, not because the machine was too slow. Apache and FreeBSD are very good with CPU and disk utilization. Also what you may want to do is set up Apache to cache your data - this will allow the pages to remain in memory, and that means less disk activity to slow it down. -Gary Margiotta TBE Internet Services http://www.tbe.net > On Sat, 24 May 1997, Robert Heron wrote: > > > I have P133 w/ 128MB, Wide SCSI and 1Mb Link. This system handles about > > 40 domains, 35 WWW virtual servers, over 200 users, public FTP server and > > 9 dial in lines with PPP - and it works pretty good with FreeBSD 2.1.7. > > I think, that in your case the only limitation may be the 128 ISDN link. > > Hardware should work good for even up-to 100 WWW virtual servers if you don't > > have other services and your WWW sites are not so overloaded like > > www.micro$oft.com or www.winsite.com :-) > > I have a P133, 48MB, SCSI-2 and 512kbps link and I support almost 200 > webservers, with only 25% utilisation outbound over the busiest hour. > (there are lots of inbound things which would account for almost 10 > points of that 25% outbound, so call it 20%) > In other words, I could *just* work with a 128kbps link for my web servers. > 25% of my web traffic is generated by 5 of the web servers (3% of > customers); all the rest of the customers generate profit. > > Danny >
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