Cyrus Imap Benchmark

John Madden jmadden at
Mon Sep 15 09:17:12 EDT 2008

On Sun, 2008-09-14 at 22:00 -0700, faris wrote:
> Can anybody tell me what is a maximum amount of mailboxes cyrus-imapd
> supports? also is it possbile for me to go upto 200K mailboxes in a
> single node ? Are there any tools available to do the benchmark for
> this scanario ?  

We have upwards of 360k accounts depending on the time of the year.
Cyrus scales just fine, but the disks do not.  32 spindles isn't enough
and I don't know what would be.  It can certainly be done on a single
machine, i/o not withstanding. =)


John Madden
Sr. UNIX Systems Engineer
Ivy Tech Community College of Indiana
jmadden at

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