Exceptionally high RAM usage

Recently, I’ve noticed my HA being slugging, and when I logged onto my Proxmox dashboard, I saw that the VM is running at 90% RAM usage (it’s got 12gb allocated to it).

I’ve tried disabling basically all the add-on’s but none of them are reporting that they are adding anything usage-wise to the memory (or CPU at that matter).

Rebooting the VM sees it drop down to what seems like a standard RAM usage, but it seems that around 2.30am each day the RAM usage shoots back up (again, according to the Proxmox reporting).

If I look at the console output I see this:

I’m not quite sure what that means, other than something related to the bluetooth - but are they time stamps of when the errors are? I don’t think I’m actively using any integrations based off bluetooth (I have a few devices that report bluetooth such as esp32’s, EP1, and some shelly’s).

What’s the next steps to try and diagnose where problems might be coming from?

Have a look at similar request and try the profiler?

You can not use memory sensors in Proxmox.
Proxmox have no clue about how the memory is used in a VM.
It just see it as allocated.