>> I've been notified from my Domain Administrator that the SVN server is >> hammering the ADS servers with authentication requests.. (excess of 10/sec >> at times) Apparently, the Windows Authentication module authenticates >> against the ADS server for EVERY PATH/FILE combination it encounters... so >> if for example the svn tree contained 1000 unique paths, with 100 files in >> each path... and a user downloads the entire tree... there are 100,000 >> authentication requests that are fired to the ADS server in our domain. > I'm seeing a very similar problem. Running VisualSVN Server on Windows > 2008 Server, with CruiseControl.net. CruiseControl does regular checks > of the log for all of the projects it's auto building, but this this > makes lsass.exe consume about 80% of the CPU. > > I've tried, as suggested here > http://www.petri.co.il/forums/showthread.php?p=142083 > Adding "SVNPathAuthz off" into httpd.conf, but this does appear to > have had a significant improvement in performance. > > Has anyone else got any ideas? > These problems are fixed in VisualSVN Server 1.7.1. Change log items: [[[ * Significant performance improvement when Windows authentication is used. * Fixed: redundant authorization event log records when Windows authentication is used. ]]
Thanks for problem report! -- Ivan Zhakov VisualSVN Team
