Leena Heino schrieb am Thu, Jan 17, 2002 at 12:34:47PM +0200: > We are consider upgrading Cyrus IMAP from 1.6.25 to 2.1.1. I have some > hesitation of using BerkeleyDB with mailboxes. We currently have around > 32000 lines in the mailboxes file. > > What kind of problems has there been with BerkeleyDB mailboxes?
AFAIK, under circumstances not fully known, sometimes there come up phenomenons called "db lock gremlins" which result in your services not responding any more. > What kind of problems has there been with flat file mailboxes? Degraded performance, espacially on huge usersbases. > Are there some caveats to using db mailboxes versus flat file mailboxes? > What is your recommendation? Try db as long as you don't see any gremlins, then a) up/downgrade (?) b) change to flat and expect a slower service. - Birger
