On Sat, 2005-01-15 at 08:01, Kevin Fries wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Aleksandar Milivojevic wrote: > > | 700 users is nothing. You will not see any problems with > | scalability with that user base. Multiply it by 100, and you'll > | start seening first problems. Go past 100,000, and things get > | preaty tight. > | > | Before my wife talked me into moving to Canada (and out of all the > | warm places in Canada, Winnipeg was our destination), I've used to > | work for large national ISP where user's were stored in actual > | /etc/passwd. Mail server worked well until user base got to about > | 50,000 users on 4-CPU Alpha Server running Tru64 Unix (and later > | cluster of several Alpha Servers). Then, Internet boom hapened, and > | user base exploded. Things started to slow down drastically with > | each new user. Local system accounts proved not to be very scalable > | solution. In those days, there were no out-of-box solutions based > | on LDAP, like there are today. So what we did back than, we moved > | all users from shell accounts into Oracle database, and made patches > | for sendmail, procmail, and qpopper to work with users that exist > | only as records inside Oracle SQL database. That same 4-CPU Alpha > | Server that was beginning to be painfully slow, all the sudden was > | capable of hosting several milion mailboxes. Now, that is what I > | have in mind when I say scalability. > | > | If we were to do it again today, we'd probably simply use LDAP and > | Cyrus, with little development time spent for transition. > | > You are trying to do 70,000 account on one server? Are you f-ing nuts!!!! I think he was referring to only the # of accounts/user passwd entries. Not exactly the number of users using that server for mail. -- Ow Mun Heng Gentoo/Linux on DELL D600 1.4Ghz 98% Microsoft(tm) Free!! Neuromancer 09:01:11 up 12:09, 6 users, load average: 0.42, 0.49, 0.97
