Open Stack

----- Original Message -----
> From: "ChangBo Guo" <glongwave at gmail.com>
> To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org>
> Sent: Tuesday, June 3, 2014 10:40:19 PM
> Subject: Re: [openstack-dev] [nova] Proposal: Move CPU and memory allocation ratio out of scheduler
> 
> Jay, thanks for raising this up .
> +1 for this .
>  A related question about the CPU and RAM allocation ratio, shall we apply
> them when get hypervisor information with command "nova hypervisor-show
> ${hypervisor-name}"
> The output  shows like
> | memory_mb                 |
> 15824
> |
> | memory_mb_used            |
> 1024
> |
> | running_vms               |
> 1
> |
> | service_host              |
> node-6
> |
> | service_id                |
> 39
> |
> | vcpus                     |
> 4
> |
> | vcpus_used                | 1
> 
> vcpus is showing the number of physical CPU, I think that's not correct.
> Any thoughts ?

Yes, this is a frequent source of confusion particularly as this ultimately ends up being reflected in the dashboard as vCPUS used/vCPUs available even though the available figure is based on pCPUs, not vCPUs (so no factoring in of overcommit). See also:

    https://bugs.launchpad.net/nova/+bug/1202965

Thanks,

Steve