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hi arne,

do you happen to have performance numbers before and after creating guests
with and without the cpu pinning options?

thanks.

Sinh


On Mon, Feb 6, 2017 at 11:46 PM, Arne Wiebalck <Arne.Wiebalck at cern.ch>
wrote:

> Manuel,
>
> Rather than with aggregate metadata we assign instances to NUMA nodes via
> flavor extra_specs,
> i.e. nova flavor-show reports something like
>
> —>
> | extra_specs                | {"hw:numa_nodes": "1"} |
> <—
>
> for our NUMA-aware flavors.
>
> This seems to work pretty well and gives the desired performance
> improvement.
>
> Cheers,
>  Arne
>
>
>
> > On 07 Feb 2017, at 01:19, Manuel Sopena Ballesteros <
> manuel.sb at garvan.org.au> wrote:
> >
> > Hi,
> >
> > I am trying to isolate my instances by cpu socket in order to improve my
> NUMA hardware performance.
> >
> > [root at openstack-dev ~(keystone_admin)]# nova aggregate-set-metadata
> numa pinned=true
> > Metadata has been successfully updated for aggregate 1.
> > +----+--------+--------------------+--------+--------------------+
> > | Id | Name | Availability Zone | Hosts | Metadata            |
> > +----+--------+--------------------+--------+--------------------+
> > | 1  | numa   | -                               |             |
> 'pinned=true'     |
> > +----+--------+--------------------+--------+--------------------+
> >
> > I have done the changes on the nova metadata but my admin can’t see the
> instances
> >
> > [root at openstack-dev ~(keystone_admin)]# nova aggregate-add-host numa
> 4d4f3c3f-2894-4244-b74c-2c479e296ff8
> > ERROR (NotFound): Compute host 4d4f3c3f-2894-4244-b74c-2c479e296ff8
> could not be found. (HTTP 404) (Request-ID: req-286985d8-d6ce-429e-b234-
> dd5eac5ad62e)
> >
> > And the user who has access to those instances does not have privileges
> to add the hosts
> >
> > [root at openstack-dev ~(keystone_myuser)]# nova aggregate-add-host numa
> 4d4f3c3f-2894-4244-b74c-2c479e296ff8
> > ERROR (Forbidden): Policy doesn't allow os_compute_api:os-aggregates:index
> to be performed. (HTTP 403) (Request-ID: req-a5687fd4-c00d-4b64-af9e-
> bd5a82eb99c1)
> >
> > What would be the recommended way to do this?
> >
> > Thank you very much
> >
> > Manuel Sopena Ballesteros | Big data Engineer
> > Garvan Institute of Medical Research
> > The Kinghorn Cancer Centre, 370 Victoria Street, Darlinghurst, NSW 2010
> > T: + 61 (0)2 9355 5760 | F: +61 (0)2 9295 8507 | E:
> manuel.sb at garvan.org.au
> >
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> --
> Arne Wiebalck
> CERN IT
>
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