[svn.haxx.se] · SVN Dev · SVN Users · SVN Org · TSVN Dev · TSVN Users · Subclipse Dev · Subclipse Users · this month's index

Re: Limiting Subversion noise in apache logs

From: <kmradke_at_rockwellcollins.com>
Date: Wed, 12 Sep 2012 12:49:28 -0500

> I have not tried it, but couldn't you do this easier by using the
> Apache piped logs feature? Just send the log entries via a pipe to
> a script that filters out any entries you do not want in the log. I
> am not positive, but your script might even be able to write the
> entries you filter into a different file.
> Example: http://www.sudleyplace.com/pipederrorlogs.html

This is an option, but I'm already piping logs to cronolog for log
I was also trying to come up with a multi-platform approach, since I
wanted to support both Windows and Unix. I've found the Windows
piped logs to get a little temperamental if you try and get too fancy...

Kevin R.

> On Tue, Sep 11, 2012 at 5:45 PM, <kmradke_at_rockwellcollins.com> wrote:
> I've always been slightly annoyed with Apache 401 "unauthorized" log
> when accessing a Subversion repository. I realize these are part of the

> standard authentication "handshake" via the http protocol.
> (Always ask anonymously first...)
> I also realize that mod_dav_svn can now provide a custom log file, but I
> my apache logs. On a busy server, these can get to be tens of gigabytes
> day. I'm not aware of a way to limit log entries based upon return
> codes...
> As a test, I think I have been able to abuse the rewrite_module to get
> of these apache 401 log entries and I was wondering if any
> gurus could poke holes in why this either doesn't work or shouldn't be
> <IfModule rewrite_module>
> # Do not log authentication required responses
> RewriteEngine On
> RewriteCond %{LA-U:REMOTE_USER} =""
> RewriteCond %{REQUEST_URI} !-U
> RewriteRule .* - [Last, ENV=dontlog:1]
> </IfModule>
> <IfModule log_config_module>
> LogFormat "%h %l %u %t \"%r\" %>s %b" common
> CustomLog "logs/access.log" common env=!dontlog
> </IfModule>
> I'm aware the sub-request for the last RewriteCond line is expensive.
> hopeful the other RewriteCond lines would short circuit most of the
> accesses. Does Subversion create any connections with something
> other than an initial OPTIONS request? I only trivially tested neon. I
> that condition as a hopeful performance improvement.
> And yes, as I stated above, I realize Subversion can create it's own
> custom log, but using that removes the fun in this experiment...
> Kevin R.

> --
> Thanks
> Mark Phippard
> http://markphip.blogspot.com/
Received on 2012-09-12 19:50:02 CEST

This is an archived mail posted to the Subversion Users mailing list.

This site is subject to the Apache Privacy Policy and the Apache Public Forum Archive Policy.