On Tue, Jan 30, 2007 at 11:33:20AM +0200, Janne Peltonen wrote: > > And GFS 6.1 (current version) has some issues with large directories: > > > > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=214239 > > This might be a problem, since we have some users that really have 10000 > messages in their INBOX. I did some more research on this: correct me if I'm wrong, but it appears that this GFS problem affects mostly cases where you have to access all files on a large directory (say, ls) and/or stat the files. Cyrus has its own cache and index; readdir()s (or whatever was the name of that system call) should be rare, used mostly during reconstructs, which are error recovery scenarios in any case. But fstats seem to be more of a problem; a truss -c on a randomly selected active imapd process gave 320 fstats / minute... --Janne ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
