Victor Duchovni:
> On Thu, Jul 15, 2010 at 09:52:35AM -0400, Wietse Venema wrote:
>
> > Ralf Hildebrandt:
> > > * Stefan Foerster <cite+postfix-us...@incertum.net>:
> > >
> > > > While I agree that it is totally obvious that table are re-read as
> > > > soon as a new proxymap(8) process is spawned, on a resonably busy
> > > > system, this won't happen too often. So getting a definitive answer on
> > > > that one would still be helpful.
> > >
> > > Has this been answered? It also affects me, so I'd like to know :)
> >
> > There is no definitive answer. The strategy of how to detect changes
> > is evolving over time, and some tables (pcre, regexp, cidr) do not
> > implement change detection at this time.
> >
> > If you really must force a change, use "postfix reload".
>
> Also, only use proxymap for IPC based tables (ldap, mysql, pgsql, tcp, ...),
> do not use proxymap for indexed files, cidr tables, pcre/regexp tables, ....
It depends on what the trade-offs are. I know of one user with
very large cidr tables - sacrificing performance to avoid running
out of physical memory.
Wietse
