Is there a limit to number of mailboxes in cyrus

Henrique de Moraes Holschuh hmh at debian.org
Thu Sep 8 19:29:15 EDT 2005


On Thu, 08 Sep 2005, Sergio Devojno Bruder wrote:
> Henrique de Moraes Holschuh wrote:
> >On Thu, 08 Sep 2005, John Madden wrote:
> >>>We stored ~50'000 boxes on a single FreeBSD 4.x machine for a couple
> >>>of years. It was a dual Pentium 3, Tyan server motherboard, Intel
> >>>server network cards with 2gb of ram, adaptec 2100 raid controller
> >>>and fast scsi disks. The system and mailbox disks where separated.
> >>
> >>FWIW, I've experimented with 750k mailboxes on a single system with 8GB 
> >>RAM and we
> >>plan to put that number in production in a couple of months here.
> >
> >Ouch, 750k?  How many concurrent accesses?
> 
> We currently have 1.6M, 1.2M and 940k mailboxes in 3 boxes with fiber to 
> a single emc storage, all boxes dual Xeon 3.4Ghz EMT64T with 4G.

I'd better rephrase the question... how many concurrent *USERS* are
accessing the system over imap? pop? lmtp?

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh



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