performance modifications

[ray at redshift.com]

Thanks Sunil,

 I'm running a completely stripped down apache and PHP config here.  As you say,
it makes a huge difference if you don't rely on those modules.

Thanks!

Ray


At 10:10 AM 4/9/2005 +0000, Sunil Sunder Raj wrote:
| 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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| 
| 
| 
|