> In fact, 100 000 users represent more or less 600 000 folders & > subfolders. The choice of murder is high availability, even if one > backend falls down, only 25% of the users will loose the mail service.
I see. > Any idea on optimizing Berkeley DB cache? I assume reading berkeley's docs on DB_CONFIG would be a good place to start. John -- John Madden UNIX Systems Engineer Ivy Tech State College [EMAIL PROTECTED] --- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html