Hi, We have around 35k users spread out on 5 different systems. The largest of which has 12K active users and 200K messages per day. We do our anti-spam/anti-virus on other systems before delivering to the 5 mailbox systems. I'm guessing you don't have that type of setup? Jim Vincent Fox wrote: > Wondering if anyone out there is running a LARGE Cyrus > user-base on a single or a couple of systems? > > Let me define large: > > 25K-30K (or more) users per system > High email activity, say 2+ million emails a day > > We have talked to UCSB, which is running 30K users on a single > Sun V490 system. However they seem to have fairly low activity > levels with emails in the hundred-thousands range not millions. > > So far that's the only other place we've talked to. Everyone else > seems to spread out 5K users on a large number of backends. > > We have 60K users, and were trying to run them spread across > 2 systems and ran into problems when Fall quarter started and > the load just skyrocketed. Email volume today 3.6 million. > > > ---- > 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 > -- Jim Howell Cornell University CIT Messaging Systems Manager email: jwh2@xxxxxxxxxxx phone: 607-255-9369 ---- 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