Re: CPU hot-plug and RAM hot-add in virtual machines

From: Andriy Gapon <>
Date: Fri, 09 Jul 2021 11:16:26 UTC
On 08/07/2021 00:34, Miroslav Lachman wrote:
> The question is simple but I cannot find answer - Does FreeBSD support hot-plug 
> vCPU and hot-add RAM?
> Current virtualization platforms support adding CPU cores or additional RAM 
> without the need to reboot the guest OS. Some of our clients need to add 
> additional vCPUs or RAM so often that hot-plug and hot-add will be really 
> useful. If this is not supported on FreeBSD for now, is there any Work In 
> Progress? Or is there a plan to support it?

I think that those features are not supported and I haven't heard of any WIP.

Andriy Gapon