[Dovecot] M-Box benchmark

Gerhard Wiesinger lists at wiesinger.com
Sun Mar 18 16:55:38 EET 2007


Hello Timo!

UW-IMAP is even slower on EXPUNGE (factor 10 I guess, nearly on every 
operation).

Dovecot with large files (2GB, e.g. new mails on the end) is really 
perfect on EXPUNGE (when there are no large holes). It takes <1s to 
EXPUNGE.

Ciao,
Gerhard


--
http://www.wiesinger.com/


On Sun, 18 Mar 2007, Timo Sirainen wrote:

> 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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