Re: ClamAV consumes so much memory that my Postfix service gets killed by OOM Killer from time to time

On Tuesday, March 4th, 2025 at 11:50 PM, Andrew C Aitchison <[email protected]> wrote:

> On Tue, 4 Mar 2025, Turritopsis Dohrnii Teo En Ming via clamav-users wrote:
> 
> > Good day from Singapore,
> > 
> > ClamAV consumes so much memory that my Postfix service gets killed
> > by OOM Killer from time to time.
> 
> 
> Yes, ClamAV needs 1-2GB RAM to store the database of malware to search for
> and double that when it loads an updated database (this doubling can be
> avoided but then ClamAV is unavailable while the update is loaded).
> 
> 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.
> 
> --
> Andrew C. Aitchison Kendal, UK
> [email protected]

I have sufficient physical memory. I have 8 GB of RAM in my VPS. I don't think I need to use swap/virtual memory.

Regards,

Mr. Turritopsis Dohrnii Teo En Ming
Targeted Individuals in Singapore
GIMP = Government-Induced Medical Problems
5th March 2025 Wednesday
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