Re: performance modifications
From: Petri Helenius (pete_at_he.iki.fi)
Date: 03/11/05
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Date: Fri, 11 Mar 2005 10:30:36 +0200 To: Claus Guttesen <cguttesen@yahoo.dk>
Claus Guttesen wrote:
>> 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.
>
>
>
Does this need any modifications to apache? (installed from the port)
Pete
>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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>
>
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