[Dovecot] How to debug slow operation

[zbigniew szalbot]

Dear Timo,

Timo Sirainen pisze:

> On Tue, 2007-10-23 at 13:50 +0200, zbigniew szalbot wrote:
> > mail_plugins(imap): quota imap_quota
> > mail_plugins(pop3): quota
> ..
> >   userdb:
> >     driver: sql
> >     args: /usr/local/etc/dovecot-postfix-sql.conf
>
> Your strace showed lots of lstat() calls. Does your user_query in
> dovecot-postfix-sql.conf return "dirsize" as the quota backend? That's a
> really bad idea with maildir. Use "maildir" backend instead.
> http://wiki.dovecot.org/Quota
>   


This was it! Thank you very much. Now dovecot is fast as before. Thank
you very much indeed!

Kind regards,

Zbigniew Szalbot