Very poor performances with Apache 2.0.55

Hi,

I experience a very poor performances with Apache 2.0.55 when dealing
with large changesets (revisions with over 1000 added or changed
files) and revision properties.

[Apache/2.0.55 (Debian) DAV/2 SVN/1.2.3 mod_python/3.1.3 Python/2.3.5
mod_perl/2.0.1 Perl/v5.8.7 Server], with FSFS repository (created with
svnadmin 1.2.3)

Whenever I want to retrieve the revision properties (custom revision
properties, or svn ones such as svn:author for example), it takes
several dozens of seconds to retrieve the SVN property through the svn
client and the Apache+mod_dav_svn server.

  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12758 www-data 21 0 233m 10m 5456 S 2.3 2.8 0:00.43 apache2

When I access the properties either locally (using a Python SWIG
wrapper) or remotely using svnserve as the server, I get the revision
property value in less than 1 second.

The time spent to retrieve the property value seems to be closely
related to the number of files in the queried revision, which is quite
surprising - am I wrong ?

* Is it a known issue ?
* What can I try to get more info about what's going on in the Apache
mod_dav_svn ?

There are no issue with commit or checkout times: everything works
fine, but the revision properties.

Thanks,
Manu

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Received on Wed Jan 4 19:15:20 2006