Date: Sun, 20 Jan 2002 20:47:23 -0800 (PST) From: Tom Samplonius <tom@sdf.com> To: Emre Bastuz <info@emre.de> Cc: freebsd-isp <freebsd-isp@FreeBSD.ORG> Subject: Re: Solaris vs. FreeBSD in High Traffic Environments Message-ID: <Pine.BSF.4.05.10201202040080.9032-100000@misery.sdf.com> In-Reply-To: <3C227F39.5090702@emre.de>
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On Fri, 21 Dec 2001, Emre Bastuz wrote: > Hi Tom, >=20 > > I think it is important to define what "high traffic" is. 10Mbps > > sustained? 30Mbps? Percentage of dynamic content? >=20 > high traffic means about 300 GB/month worth of static content in this cas= e. 300GB/mo isn't too bad. I hosted a site temporarily that did about 800GB in two weeks. The client didn't want to pay anymore than $75/mo, so most of the content was removed. I would say any server doing more than a 1000GB a month is "high traffic". > >>Themachine got offline twice within 48 hours (the Solaris box had never > >>crashed), that=B4s why some tweeking on the kernel and other parameters > >>was done. Since then the server is performing great. > > How did it crash? =2E.. > I=B4m still curious what caused the outage though ... It was probably an mbuf shortage. Probably. There is also a chance it is something unrelated to tuning, and something is wrong with the server. You should check "netstat -m". The peak value should be less than the max value. You shouldn't need to go to 65,000 mbuf clusters for a 300GB/mo site. You might be wasting a lot of kernel memory. Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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