On Mon, Jan 07, 2013 at 04:02:36PM -0500, Wietse Venema wrote:
> > On Mon, Jan 07, 2013 at 04:24:20PM -0200, Rafael Azevedo - IAGENTE wrote:
> > > I've done exactally what you said and notice that the connection
> > > cache is not being used anymore.
> > You have enabled cache-on-demand behaviour. This happens when the active
> > queue contains a "backlog" of messages to the destination. If your
> > input rate is sufficiently low, messages leave as quickly as they
> > arrive and connections are not cached.
> Connection cache time limits are controlled by two parameters: one
> in the delivery agent, and one in the scache daemon. It's the second
> parameter that he is missing all the time.
Yes, but he should NOT change it. It was a sound piece of defensive
programming on your part to discourage abusive configurations.
Postfix should not cache idle connections to remote sites unnecessarily
long, and more than 1-2 seconds is unecessarily long!
Thus I am not inclined to discuss about the safety-net control.