--On 8 April 2008 21:59:21 +1000 Rob Mueller <robm@xxxxxxxxxxx> wrote: > Ok, so lets get some more details here. > >> We've got about 12,000 users, many of whom spend most of the day in >> lectures, and tend to read their email at lunch time. Some staff with >> large >> mail folders tend to stay logged on all day. > >> Currently we have four OSX 10.4 servers with 6GB of RAM each. We've >> purchased six OSX 10.5 machines with 4GB of RAM each, but worry that this >> might not be adequate. > > So you've currently got 4 servers. Are these servers running both cyrus > and perdition? Or are they on separate servers? Just perdition, for a (now completed) migration from UoW IMAP. Our new cluster, under development, will have a cyrus murder with separate front ends. > It seems you're running perdition and a murder setup so you can migrate > from an existing system. Is that right? Do you have separated frontends > and backends, or running them altogther? > >> Usually we have around 700k simultaneous pop connections on the real >> servers now with perdition we have 3000+ connections Er, I didn't write that. That was Ram, the OP. Different person, different institution, similar issues. We don't offer POP here. > I presume you menat 700 there. Is that across all your servers, or just > one of the four servers? That seems like quite a few POP connections. Do > you really mean POP connections, or do you mean IMAP? Or do you mean POP > and IMAP? How many "imapd" and "pop3d" processes do you see on each > server? How many do you see in total across all 4 servers? > > Rob > -- Ian Eiloart IT Services, University of Sussex x3148 ---- 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
