[libvirt-users] CPU and Memory requirements for host OS ( CentOS 7.6) on Dell Poweredge R630 server

[Kaushal Shriyan]

On Tue, Aug 27, 2019 at 1:05 PM Sven Schwedas <sven.schwedas at tao.at> wrote:

> That depends on what you plan on doing with the host. IIRC live VM
> migrations use host CPU time, and depending on transport can use quite a
> bit of CPU (for encryption/compression). Same with storage, if you have
> a ZFS/btrfs/LVM2/RAID/encryption setup that requires a lot of CPU,
> that's also counted against host CPU time.
>
> libvirtd itself doesn't need all that much resources for itself, that
> said. 2 cores and 2GB RAM should suffice as baseline? Plus whatever you
> need to meet above needs, if any apply.
>
>
Hi Sven,

So for host OS, 2 vCPU's with 2GB Memory is enough. Please comment. I have
spawned 10 KVM based VM's with CentOS 7.6 on the bare metal server (Dell
R630 Poweredge 1U with 32 cores vCPU's and 96 GB RAM.) Is there a way to
find out the system resources utilization for all the 10 VM's?

Best Regards,
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