this post was submitted on 02 Sep 2025
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[–] Jenseitsjens@lemmy.world 4 points 2 weeks ago (1 children)

Nowadays you can also assign a dynamic amount of memory. I've only ever used this with Linux VMs on Proxmox though, but I'm pretty sure it works with Windows as well

[–] Jakeroxs@sh.itjust.works 2 points 2 weeks ago (1 children)

You're probably thinking of LXCs, which are containers not virtual machines

[–] Jenseitsjens@lemmy.world 8 points 2 weeks ago

No I'm talking about VMs. It's the baloon kernel driver which also works on Windows (though needs separate installation). It doesn't work quite like containers though. The hypervisor dynamically adds/removes memory to the VM depending on total memory usage of the hypervisor.

See https://pve02.northcode.ch:8006/pve-docs/chapter-qm.html#qm_memory