VirtualBox causing big peaks in CPU

Derek Broughton news at
Thu May 8 15:19:37 UTC 2008

Chris Jones wrote:

>> Too _much_ memory.  Win XP shouldn't need 400Mb of memory in VirtualBox,
>> and that's (virtual) memory that will no longer be available to your
>> Linux tasks.  So you get swapping, and CPU usage.
> That entirely depends on a) how much ram the host machine has and b)
> what else it is doing whilst it is running the VM with 400Mb ram. If the
> conditions are right you can give a VM as much ram as you want...

Sure you can - but if you're seeing huge CPU spikes, that's a clue :-)

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