> On Tue, 4 Mar 2025, Turritopsis Dohrnii Teo En Ming via clamav-users wrote:
>
> > ClamAV consumes so much memory that my Postfix service gets killed
> > by OOM Killer from time to time.
On 04.03.25 15:52, Andrew C Aitchison via clamav-users wrote:
> Yes, ClamAV needs 1-2GB RAM to store the database of malware to search for
this applies to "clamd" and every "clamscan" instance.
OP mentioned using clamscan.
BTW it's usually about 1.5GB with standard databases.
> and double that when it loads an updated database (this doubling can be
> avoided but then ClamAV is unavailable while the update is loaded).
This applies to "clamd". But even in case of DB reloading it's less than 3
clamscan instances.
I've had problems reloading 32-bit clamav when I loaded hude 3rd party DB.
> The database of malware could be trimmed by looking for fewer viruses etc.
> but I think that would be above your skill level, and it would increase
> the chance of something nasty getting past your defences.
>
> You could try increasing the size of the swap file/partition;
> this could make the machine slower some of the time, but might make
> the OOM Killer less likely to kick in.
On Wednesday, March 5th, 2025 at 1:20 AM, Matus UHLAR - fantomas via clamav-users
<clamav-users@lists.clamav.net> wrote:
The solution was already proposed: using clamd and clamsdcan.
On 05.03.25 13:26, Turritopsis Dohrnii Teo En Ming via clamav-users wrote:
There is no clamdscan option in Virtualmin. I have already switched from
clamscan to clamd.
If you carefully read the docs at
https://www.virtualmin.com/docs/server-components/spam-and-virus-scanning/
you will see that the option "Enable ClamAV Server." will use clamdscan:
Virtualmin will check if clamd and clamdscan are working properly, and
if so configure all virtual servers to use it for virus classification
from now on.
clamdscan is replacement for clamscan which uses clamav daemon instead of
loading the virus database for every executed process.
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety. -- Benjamin Franklin, 1759
_______________________________________________
Manage your clamav-users mailing list subscription / unsubscribe:
https://lists.clamav.net/mailman/listinfo/clamav-users
Help us build a comprehensive ClamAV guide:
https://github.com/Cisco-Talos/clamav-documentation
https://docs.clamav.net/#mailing-lists-and-chat
