[Dovecot] v1.1 status and benchmarks

Arkadiusz Miskiewicz arekm at maven.pl
Thu Jul 12 10:22:13 EEST 2007


On Thursday 12 of July 2007, Timo Sirainen wrote:

> > For example being twice fast and eating four time more resources
> > isn't a great
> > win. That bit me when I wanted to switch from tpop3d to dovecot for
> > pop3
> > (already done similar switch for imap). It looks like dovecot does
> > much more
> > I/O (even when delivery is used at MTA level so indexes are
> > available) which
> > caused huge problems (unsolved unfortunately).
>
> Yes, Dovecot's hasn't been a very good POP3 server. With v1.1 there
> are several improvements that should make it a lot better, although
> maybe still not perfect.
>
> Although I'm guessing your "much more I/O" means that Dovecot reads
> the message contents to calculate the messages' correct virtual size,
> while tpop3d violates POP3 spec by returning physical message sizes.
> Also Dovecot 1.0's deliver doesn't help with this, because it doesn't
> write the virtual size to cache file.

Is this improved in 1.1 so virtual size is stored there?

-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/


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