著者: Marcin Owsiany 日付: To: exim-users 題目: Re: [exim] Exim Performance / Server Performance
On Thu, Apr 28, 2005 at 08:25:08PM +0100, Nigel Metheringham wrote: > Tony Finch wrote:
>
> >On Thu, 28 Apr 2005, Brian Candler wrote:
> >
> >
> >>Or go for something more efficient. For example, you can get Exim to
> >>deliver
> >>in Maildir format, and then use courier-imap as the POP3 server. That's a
> >>major redesign in your system though.
> >>
> >>
> >
> >I didn't think Courier did any metadata cacheing, so how does it avoid
> >stat()ing hundreds of files each time a POP connection comes in?
> >
> >
> Not courier, but the way we used to do this was to use a Maildir tag to
> hold the message size and then just do a directory read, parsing that
> infomration out of the filename.
Actually the problem is the number of lines, which means it reads the
whole maildir. Over here we use a custom tag for this as well :)
