Date: Tue, 20 Feb 2001 18:51:09 -0800 (PST) From: Gordon Tetlow <gordont@bluemtn.net> To: <scanner@jurai.net> Cc: Dan Phoenix <dphoenix@bravenet.com>, <freebsd-hackers@FreeBSD.ORG> Subject: Re: qmail IO--qmail vs postfix competition Message-ID: <Pine.BSF.4.31.0102201845430.18356-100000@sdmail0.sd.bmarts.com> In-Reply-To: <Pine.BSF.4.21.0102201923440.74943-100000@sasami.jurai.net>
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On Tue, 20 Feb 2001 scanner@jurai.net wrote: > Aha. That explains it. You use HW raid. I wondered why you were > only doing 4 million mails for *30* boxes. Dan, is doing 500K, on a > completely idle box (cpu/ram/I/O wise), with vinum, Postfix, and RAID-0. > Have you seen brad knowles papers on vinum vs HW raid? It's erm > enlightening to say the least :) Id be happy to dig up the URL if you are > interested. I personally will be using Vinum from now on. The performance > is very impressive. Well, as I said, these boxes are rather bored. I don't think the load reaches above 0.05. Most of the time is delivering mail trying to negotiate with destination hosts. I don't think that the mailers are IO bound, but I haven't really looked to find out to tell you the truth. Once the mailers are set up we treat them as black boxes. They just work. Also, the 500K number, is that per day? The 4 million was in 4 hours, not a day. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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