[ovirt-users] oVirt hook to manage physical CPU pool, and automatically pin CPUs without overlap on the host

[Yaniv Dary]

It is, check out the feature page:
http://www.ovirt.org/Features/NUMA_and_Virtual_NUMA

Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109

Tel : +972 (9) 7692306
        8272306
Email: ydary at redhat.com
IRC : ydary


On Tue, Feb 2, 2016 at 11:58 AM, David Jorm <djorm at iix.net> wrote:

> Is the NUMA feature complete in 3.6? I see it in the UI, but got lost
> looking for any documentation or examples.
>
> David
> On 02/02/2016 7:40 PM, "Yaniv Dary" <ydary at redhat.com> wrote:
>
>> Please look at the NUMA feature to enable you to pin a VM to a CPU group.
>>
>> Yaniv Dary
>> Technical Product Manager
>> Red Hat Israel Ltd.
>> 34 Jerusalem Road
>> Building A, 4th floor
>> Ra'anana, Israel 4350109
>>
>> Tel : +972 (9) 7692306
>>         8272306
>> Email: ydary at redhat.com
>> IRC : ydary
>>
>>
>> On Mon, Feb 1, 2016 at 9:21 AM, David Jorm <djorm at iix.net> wrote:
>>
>>> Hi All
>>>
>>> Thanks for the help that people have recently provided on this list.
>>> I'm running into another edge case that, as far as I can see, does not
>>> have a native solution within oVirt. I have a use case where every VM
>>> must have 4 pinned vCPUs, and these must map 1:1 to physical CPUs so
>>> that there are never two VMs contending for the same physical cores. I
>>> already have code in place that ensures a VM will not be created or
>>> started if n/4 VMs are already running on the target host, where n is
>>> the number of physical cores. What I need now is to ensure that
>>> pinning is managed so that each physical core maps 1:1 to vCPUs.
>>>
>>> Would it be possible to manage the pool of physical cores in a local
>>> DB, and implement a VDSM hook similar to the example on this page?
>>>
>>> http://www.ovirt.org/VDSM-Hooks
>>>
>>> Or would there be a preferable solution?
>>>
>>> Thanks
>>> David
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>
>>
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