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From Brian Pane <>
Subject Re: FW: Apache Optimization - Post-graduate Research
Date Fri, 21 Sep 2001 18:41:21 GMT
My first inclination is to propose that Markus grab a copy of the current
httpd-2.0 CVS code or the next beta and try out the worker and prefork
MPMs.  The 2.0 code base is starting to look reasonable from a performance
perspective.  And now would be a good time to get some more comparative
benchmark results.


Apache Software Foundation wrote:

>Not acked.
>----- Forwarded message from Markus van Aardt <> -----
>From: Markus van Aardt <>
>To: human-response@Apache.Org
>Subject: Apache Optimization - Post-graduate Research
>Date: Sun, 26 Aug 2001 11:21:41 +0200
>If I sent this mail to the wrong address, could you please forward it
>to the appropriate address.  This message is related to optimization
>issues for a post-graduate study.  This is the only address listed on
>the Contacts page.
>I am investigating the performance profiles of several web servers for
>a post-graduate study at the University of Pretoria, South Africa.  I
>have read through several performance reports, including the report
>published by MindCraft, as well as the storm it stirred up.
>I hoped that I could obtain sufficient information from Apache and
>Linux documentation to optimize Apache to such an extend that it would
>outperform all other servers, including Microsoft's IIS 5.0.
>Unfortunately, the information I could gather from the Apache
>Performance Notes (written by Dean Gaudet) and several other
>Apache-related web sites did not improve the performance to match the
>IIS's performance.
>My test environment is based on bottom-end hosted server specifications:
>        Pentium II 350
>        64 MB RAM
>        100 Mb Ethernet
>        IDE HDD
>        Redhat 7.1
>        Apache 1.3.20
>On a basic installation, with no optimization applied, I was able to
>get the server to handle a load of just over 600 request per second.
>After I applied the optimization recommendations, I could only get
>this up to around 740-750 requests per second.  This figure is
>undoubtedly quite impressive, but to my dismay, IIS could run at
>around 1100-1200 requests per second.
>Furthermore, it seems that their is a definate point I reached with
>all my tests at 256 clients, in that the performance figures take a
>serious hit and start to go down quite rapidly up to around 430
>clients where it stabalises at 150 requests per second.  I could find
>no clear explanation for this as there seems to be little benchmark
>results available that cover performance figures for more than 500
>clients.  Could you maybe advise as the reason for this.
>I would really like to get the server running at higher speeds, but
>the performance recommendations seems to be insufficient to tune the
>server beyond its current state.  Could you point me to any other
>documentation or person who might assist me in this issue.  The
>performance figures I obtained for this particular test was based on a
>static 16K HTML file.  I am also running the tests on DSO support
>through Borland's Kylix.
>I appreciate the time you invested in reading this letter.
>Best regards
>Markus van Aardt
>Solutions for the Internet -
>With Compliments
>  Markus van Aardt
>  Mobile : +27.82.468.8719
>  Facsimile : +27.12.346.1144
>----- End forwarded message -----

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