Re: [pmg-devel] [PATCH pmg-api] config: adjust max_filters calculation to reflect current memory usage

[Dominik Csapak <d.csapak@proxmox.com>]

On 1/10/24 13:52, Dietmar Maurer wrote:
>> One pmg-smtp-filter process uses at least 220 MiB.
>> When having 100000 rules one process can take up to 330 MiB.
> 
> I guess almost nobody has that many rules! So IMHO, with this patch we
> are now too conservative for 99% of all installations.

i think what markus meant is that he had 100000 entries in a who object,
not rules. That is (sadly) rather realistic and we encounter it often with users/customers.
(even if we don't recommend it)

i think it's easier than you think to blow up the filter memory usage, we're already
100 MiB up from the initial assumption without adding any new rules/objects by default.
(e.g. a new spamassassin update can increase that probably quite easily)

while 300 might be excessive, on our machines we easily observe 230 MiB per worker
so that could be a fine value (like Markus suggested)

> 
> Besides, the rule system is not meant to be used as large block-list. People should set-up a RBL server instead, which is far more effective.
> 
> - Dietmar
> 
> 
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