On Wednesday, March 5th, 2025 at 9:59 PM, Matus UHLAR - fantomas via clamav-users <clamav-users@lists.clamav.net> wrote:
> > > > 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. I have checked my Virtualmin settings again. There is no clamdscan option available. I am using clamd now. Not clamscan any more. Regards, Mr. Turritopsis Dohrnii Teo En Ming Targeted Individuals in Singapore GIMP = Government-Induced Medical Problems 5th March 2025 Wednesday > > -- > 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 _______________________________________________ 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
