[Dovecot] performance problem?

[Timo Sirainen]

On 4.6.2005, at 02:31, Han-Wen Nienhuys wrote:

> I'm running dovecot on a small server. I put all my mail from the last 
> 10 years on it (approx. 160 mb).
>
> I'm seeing terrible performance. Sometimes, my client needs several 
> minutes to display a message.  This is with mutt, thunderbird and 
> evolution. Copying an outbound message to the Sent IMAP folder (15k 
> messages) typically takes a few minutes, but can be quite fast on 
> occasion (Thunderbird).
>
> How can I debug this problem? I'm running dovecot .99.14 on a Mac Mini 
> (OS X 10.3,  512 mb, 80 gb).

0.99.x's mbox code is pretty bad. Try 1.0-stables or 1.0-tests instead 
and set mbox_very_dirty_syncs=yes. That should make Dovecot pretty fast 
as long as you don't delete old messages.
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