Date: Fri, 19 Mar 2004 16:57:15 +0100 From: Holger Kipp <Holger.Kipp@alogis.com> To: apache <freebsdkid@tom.com> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: HowTo Implement This..LOAD BALANCE.. Message-ID: <20040319165715.A49040@intserv.int1.b.intern> In-Reply-To: <20040318134327.E89A443D4C@mx1.FreeBSD.org>; from freebsdkid@tom.com on Thu, Mar 18, 2004 at 09:44:00PM %2B0800 References: <20040318134327.E89A443D4C@mx1.FreeBSD.org>
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On Thu, Mar 18, 2004 at 09:44:00PM +0800, apache wrote: > Hello,EveryOne. > here, I wanna use the freebsd the balance the load of servers. > > Here I have implement this using the apache's modules "mod_rewrite",but I think it is not more > efficient. because ,when I do "netstat -n " there si so much tcp connectting with > state "TIME_WAIT",as this ,When I increase the " MaxClients "in the httpd.conf ,when I do some other > programme like"FTP,/usr/local/apache2/bin/ab ",I got an error"Socket:no buffer space available", > How can I avoid this ? see "man tuning". "no buffer space available" is a FAQ. -- -- -- see http://www.freebsd.org/cgi/man.cgi?query=ipnat&sektion=5#LOAD-BALANCING for load balancing using ipnat. -- -- -- see the ports /usr/ports/www/pound /usr/ports/net/plb /usr/ports/net/pen /usr/ports/net/haproxy /usr/ports/net/balance if any of those do what you actually need. if both webservers shall have approximately the same load and serve the same pages, then even a simple dns round robin might be all you need. -- -- -- for explanation of TIME_WAIT, the following link might be useful: http://www.softlab.ntua.gr/facilities/documentation/unix/unix-socket-faq/unix-socket-faq-2.html Regards, Holger Kipp
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