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What causes a VM to be slow?

Time:05-28

I've got the latest Ubuntu build running on Oracle VM VirtualBox and it's running rather choppy. The system it's running on has plenty of everything, in terms of hardware resources, and the native Windows build I've got is as smooth as butter. I assume it's a resource allocation issue. How do I check if that's so and what are the common issues/fixes for this kind of thing?

UPDATE: I just downloaded and checked MATE System Monitor and noticed cpu is basically the bottleneck at 95-100% at any given point in time. How do I allocate more CPU to this?

CodePudding user response:

The default was single core on the settings. I changed it to all my cores and set max utilization for all.

Go to Settings->System->Processor. Change processor(s): and Execution Cap: and you'll be good to go.

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