I guess I'm thinking in terms of apache spare servers and wondering if
there's something similar in exim? Maybe there isn't.
On 4/22/2010 3:52 PM, Heiko Schlittermann wrote:
> Marc Perkel<marc@???> (Fr 23 Apr 2010 00:30:52 CEST):
>
>> I'm sure it's in the docs somewhere but I can't find it. What is the
>> setting to allocate extra exim processes to listed for incoming
>> connections. I'm looking to allocate spare processes to increase
>> performance.
>>
> I'd say, you can't do it with a single instance. Exim is not preforking,
> it's unix „old school“ behaviour - just fork on accept(2) of a new
> connection and die if the connection is done. (Actually before the
> receiving process dies, it starts a process responsible for the first
> delivery attempt.)
>
> And - which kind of performance you need? Fast rejections of unwanted
> incoming connections (based on DNS lookups)? Short „pass through“ times
> for accepted messages? Minimum delay on connection establishment?
>
> SMTP is no service for interactive use, thus some delay (during the
> fork()) should not matter. Pre-forked or spare processes just do some
> cpu cycles in advance.
>
> Viele Grüße aus Dresden
> Heiko Schlittermann
>
--
Marc Perkel - Sales/Support
support@???
http://www.junkemailfilter.com
Junk Email Filter dot com
415-992-3400
