Date: Wed, 21 Jul 2021 10:53:40 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: Andriy Gapon <avg@FreeBSD.org>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: CPU hot-plug and RAM hot-add in virtual machines Message-ID: <b849f8d3-661e-f5c5-c5e6-594219dbd842@quip.cz> In-Reply-To: <70033628-bc3a-24d2-4c65-9a3b9c1c66d5@FreeBSD.org> References: <4336a1bf-d826-dba3-9ec1-9b48cf7cd177@quip.cz> <70033628-bc3a-24d2-4c65-9a3b9c1c66d5@FreeBSD.org>
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On 09/07/2021 13:16, Andriy Gapon wrote: > 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. Thank you for your reply. I know nothing about system internals. Is it too much work to implement it or just nobody from developers need it thus nobody write the code? Virtualization is more and more popular these days so I think it will be useful for many users. Kind regards Miroslav Lachman
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