MURDER : tuning for increasing load

[Etienne Goyer]

John Madden wrote:
>>I have to deal with increasing charge of by now 500 users that will grow
>>up to 100 000.
>>All mailboxes exist, for a 65Mb mailboxes.db on mupdate
> 
> Is murder even necessary for such a configuration?  Based on the numbers on Cyrus'
> pages, I assumed 200k accounts on one big, beefy box would be ok (and management
> more easily swallowed "4 CPU box with 8 GB RAM" than they did "lots of little
> boxes.")

It depend.  If they make intensive use of SSL (POP3S and IMAPS), I guess 
they risk becoming CPU-bound, in which case it might be easier to split 
the load among multiple frontends.

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