Date: Fri, 11 Mar 2005 09:10:50 +0100 (CET) From: Claus Guttesen <cguttesen@yahoo.dk> To: ray@redshift.com, freebsd-performance@freebsd.org Subject: Re: performance modifications Message-ID: <20050311081051.68374.qmail@web26809.mail.ukl.yahoo.com> In-Reply-To: 6667
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> I'm wondering if anyone on the list has a good > source for the major sysctl > settings and/or kernel settings that can be modified > in order to bring up the > performance level on a FreeBSD 5.3 machine that is > used with apache under heavy > load. > > I've done all the common stuff: > > recompiled the kernel and stripped out unused > drivers Did you try options ACCEPT_FILTER_DATA options ACCEPT_FILTER_HTTP in your kernel? These options makes FreeBSD do the 3way-handshake rather than apache. The usual KeepAlive Off in /usr/local/etc/apache/httpd.conf and MaxClients xyz in same file. Max-clients is computed by 'avail. ram / size of one process', where you need to leave some room for kernel, buffers etc. in avail. ram. regards Claus
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