Comment by stingraycharles
1 day ago
I don’t assume that macOS virtualization is advanced enough to support memory ballooning, or is that not what you’re referring to?
Edit: I stand corrected!
1 day ago
I don’t assume that macOS virtualization is advanced enough to support memory ballooning, or is that not what you’re referring to?
Edit: I stand corrected!
I don't assume anything either, but a single Google search is enough to dispel that [1]
[1] https://developer.apple.com/documentation/virtualization/vzv...
Not supported on macOS
macOS is generally pretty amazing at efficient memory usage and VM (virtual memory subsystem) handling. So even a 8GB machine can run pretty impressive workloads without having the user think the machine is underpowered.
Important caveat: that’s mostly the case for desktop workloads when you’re multitasking a lot, and not as much for server workloads where you actually need all memory.
Not really. Larger page sizes mean more potential for wasted memory and it has had a long standing memory leak in some core component to where even Calculator can cause an OOM event.
GP is pretty accurate in my experience. Up until last year I was still running an Intel MacBook Pro with 8GB of RAM and successfully multitasked with Blender, Illustrator, Unity, VS Code, and Firefox quite often. The math doesn't make sense, but all stayed responsive even with frequent hops between them. The only OOM events I ran into were memory leaks from Firefox, I believe from an extension.
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I mean if there are faulty apps, but where do you get this idea from? The amount of IDE's, docker containers, all kinds of stuff you can run on macOS in just 16GB is astounding. And I've used this OS on the desktop for 23 years.
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What will that help with if the host and guest combined need > physical ram?
If guest memory can be reclaimed, it doesn't need to be paged to disk once you hit RAM contention. It's mostly saving accounting overhead, but it'll have some effect on latency, which you're more likely to perceive under contention.
But if it can be reclaimed it's not actually needed. So i'd find the minimum amount of configured ram a mac os VM can boot with more significant than the actual usage while booted but doing nothing.