[Dovecot] 1.0(.14) vs 1.1.2 performance

[Timo Sirainen]

On Aug 6, 2008, at 4:56 AM, Thomas Hummel wrote:

> On Tue, Aug 05, 2008 at 06:40:00PM -0400, Timo Sirainen wrote:
>
>> Do you use POP3?
>
> Yes. I don't have the stats right now but I'd say, on 2500 users,  
> 60% are using
> IMAP, 40% POP3.
>
> But I had the feeling that it was the IMAP processes which were  
> causing the
> load, particulary because some IMAP users were complaining about low  
> speed
> while moving messages from mailboxes (I'm talking 1.0.14 here).  
> However, I
> don't know if it was a cause or a consequence...

Well, one change is that by default copying messages is now done using  
hard links, but you could have done that with v1.0 also by changing a  
setting.

> So no big architectural changes ?
> Or maybe changes in the locking code ?

Not really.

> What about the upcomming 2.0 ? Is the new master expected to provide  
> load
> improvement ?

No. It's mostly about making the master more modular.
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