performance modifications

[Sunil Sunder Raj]

Hi,
There a a few apache config changes which really bump up the performance.

Disable mod_status.so which decreases a few system calls.
Disable FollowSymLinks wherever used.
If possible remove the <Directory /> directive.

Regards
SSR

>From: ray at redshift.com
>To: Joseph Koshy <joseph.koshy at gmail.com>
>CC: freebsd-performance at freebsd.org
>Subject: Re: performance modifications
>Date: Thu, 10 Mar 2005 19:30:15 -0800
>
>| > 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.
>|
>| There is the tuning(7) manual page.
>
>Yes, have read those from start to finish.  Just wondering if there are 
>other
>areas to look into that may not be covered there.
>
>| There are better web servers than Apache for demanding loads;
>| ones that used a non-forking, event-driven I/O model.
>| Aolserver and thttpd come to mind.
>
>I tried thttpd a number of years ago, but due to its limited cgi support 
>(at
>least at the time) I didn't do too much with it.  It did seem fast, 
>however.
>
>| Yaoping Ruan and Vivek Pai from Princeton have reported
>| excellent results with their "Flash" [1] web server.  While
>| many of their recommended changes to FreeBSD have been folded
>| into the base source, I'm not sure how many popular web-servers
>| are using these speedups.
>|
>| [1] Making the "Box" Transparent: System Call Performance as a
>|     First-class Result
>|     Yaoping Ruan, Vivek Pai
>|     http://www.cs.princeton.edu/~yruan/debox/debox.pdf
>
>Okay, great, thanks.  I'll check into that area.  My biggest problem right 
>now
>is that PHP brings down the speed of everything.  I may have to go back to 
>Perl
>and use mod_perl or look into some other alternatives.  The main thing I 
>wanted
>to do was get the OS running at it's best, so the benchmarks were not being
>affected by some area of FreeBSD.
>
>Anyway, thanks very much for the info!
>
>Ray
>
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