On Mon, May 19, 2008 at 10:48:32AM +0200, Maurizio Lo Bosco wrote: > Hi all, > Bron has analysed the problem of the low start and it seams due to the locking > on the mailbox.db for each mailbox. Something like > //for mailbox in $mailbox_list > // lock mailbox > // do something > // unlock > > The lock/unlock seams to be a bottleneck for the GFS. > > Using the flat configuration for the mailbox.db the slow start disapepars. > May I use a flat database for 4300+ mailbox? > Do you think I could have other performance problems in delivery/accessing the > mailbox? I considered creating a GFS spool for a 50000 mailbox system, but during testing, the GFS lock overhead would've been too much during delivery peaks. Probably had to do mostly with delivery.db locking. --Janne Peltonen University of Helsinki -- Janne Peltonen <janne.peltonen@xxxxxxxxxxx> ---- 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