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pitiful dav performance

From: <seanc_at_dimensionalrift.com>
Date: 2003-02-25 06:13:05 CET

I've spent most of the weekend (and now most of monday due to an
ice-storm) setting up a test server with Subversion 0.18 on it. I have
configured just about every access method, and have some problems with the
dav performance, and that has me puzzled.

Machine is:
Dual Proc P3-850 Debian Linux machine
384MB RAM
Ultra2 scsi drives (x2, 7200 rpm)
100 megabit LAN (also connected via a switch to a DSL based internet
connection (768/384))

The machine is running Debian Testing with 2.4.20 kernel, and the minimum
necessary Debian unstable packages to run Subversion 0.18 (Apache2, etc).
The machine only runs sshd, qmail with near zero traffic, apache-ssl for
squirrelmail, and apache2 for subversion. No X and no other processes.

For my testing, any non-local client is always a WindowsXP machine.

The tree I check out ends up being about 4.5 megabytes, including the .svn
directory overhead. Without the overhead, its 2megs in 326 files.

Timings:
local svnserve: 0m 10s
local file: 0m 9s
local http: 3m 33s
local https: 3m 33s

remote svnserve: 0m 11s
remote http: 3m 32s
remote https: 3m 33s

Is there some magic apache2 setting I've missed somewhere?. I've played
with turning AuthType off (as well as SSL) and they have no effect on the
performance of subversion.

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Received on Tue Feb 25 08:31:18 2003

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