On Fri, Mar 04, 2011 at 10:33:30PM +0100, lst_ho...@kwsoft.de wrote:
> BTW, is there any "how-to" for getting the least possible memory footprint
> for Postfix. As learned some points are
>
> - reduce either the global default process limit or the relevant process
> limits in master.cf
> - use a small footprint lookup table like cdb and the least possible count
> of tables
> - don't use regex/pcre maps
Nothing wrong with small regexp/pcre maps.
> - reduce active limit for qmgr
>
> any other knobs/screws to adjust?
Use postscreen, to reduce demand for connections to the real SMTP service.
Potentially compile-in fewer features (TLS, SASL, LDAP, ...), but Berkeley
DB is still needed for dynamic databases (e.g. postscreen dynamic whitelist),
just don't use read-only Berkeley DB tables, use CDB for that.
--
Viktor.
