On Sun, Jul 16, 2023 at 11:02:23PM +0200, Benny Pedersen via Postfix-users
wrote:
> > cat access | wc -l
> > 2'294'583
> >
> > Yes me problem are that this file are to big for me little system
>
> will add more memory solve it ?
>
> local rbldnsd ?, dont know if postfix uses less ram for cidr then
> rbldnsd data does
I would expect that the real problem is that:
1. cidr tables are loaded into each smtpd(8) process.
2. Loading millions of entries slows process startup.
3. Searching millions of entries slows SMTP transactions.
A CIDR table is simply not the right way to represent a blacklist with
O(2 million) IP addresses. This is much better handled with "rbldnsd",
or just avoid doing this on resource starved systems.
https://web.archive.org/web/20230308041144/https://dilbert.com/strip/1995-06-24
--
Viktor.
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