[horde] cpu usage 80-85 in imp Urgent

[Jeff Warnica]

On Mon, 2005-03-01 at 11:06 -0600, Eric Rostetter wrote:
> Quoting Michael M Slusarz <slusarz at bigworm.curecanti.org>:
> 
> > Quoting Jeff Warnica <jeff at coherentnetworksolutions.com>:
> > 
> > >> my users have about 250 to 300 mb mails in inbox.
> > 
> > That is your problem right there.  Obviously if your IMAP server has to parse
> > through a 250 MB file on every mailbox access (if you are using mbox format),
> > this is going to kill performance.
> > 
> > michael
> 
> I agree.  I find wu-imapd works up to about 100MB, and then slows down 
> terribly from there.  I *try* to get my users to understand this, and
> keep their inbox under 100MB (by using folders to save their mail,
> of course).

With MBOX, WU-IMAP - or anything else, for that matter - works well with
exactly one message. More then that and you are bound to get into
trouble. It just becomes obvious at 100MB :)