[Dovecot] M-Box benchmark

[Timo Sirainen]

On Sun, 2007-03-18 at 07:22 -0700, Marc Perkel wrote:
> 
> > I've heard of load average dropping from 100 to 0.02 :)
> 
> BTW, how is it that you get such great performance using mbox files?
> I 
> would have thought it would be much slower than it is to delete the 
> first message from say a 2 gig file? How do you do that so fast? 

Expunging the first message from 2GB file is as slow as with UW-IMAP.
It's just that usually people don't expunge old mails from large
mailboxes. The performance comes simply from not having to read and
parse the whole mbox when opening it.
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