On Mon 27 Aug 2018, 04:20 Guo, Ruijing, <ruijing....@intel.com> wrote:
> Hi, Stephen, > > After setting flavor, VM was created in node 0 (expect in node1). How to > debug it? > > Nova.conf > [neutron] > physnets = physnet0,physnet1 > > [neutron_physnet_physnet1] > numa_nodes = 1 > Have you enabled the numa topology filter its off by default and without it the numa aware vswitch code is disabled. > > openstack network create net1 --external --provider-network-type=vlan > --provider-physical-network=physnet1 --provider-segment=200 > ... > openstack server create --flavor 1 --image=cirros-0.3.5-x86_64-disk --nic > net-id=net1 vm1 > > <cputune> > <shares>1024</shares> > <vcpupin vcpu='0' cpuset='0-7,16-23'/> > <emulatorpin cpuset='0-7,16-23'/> > </cputune> > > available: 2 nodes (0-1) > node 0 cpus: 0 1 2 3 4 5 6 7 16 17 18 19 20 21 22 23 > node 0 size: 64412 MB > node 0 free: 47658 MB > node 1 cpus: 8 9 10 11 12 13 14 15 24 25 26 27 28 29 30 31 > node 1 size: 64502 MB > node 1 free: 44945 MB > node distances: > node 0 1 > 0: 10 21 > 1: 21 10 > > Thanks, > -Ruijing > > -----Original Message----- > From: Stephen Finucane [mailto:sfinu...@redhat.com] > Sent: Saturday, August 25, 2018 12:15 AM > To: OpenStack Development Mailing List (not for usage questions) < > openstack-dev@lists.openstack.org> > Subject: Re: [openstack-dev] [nova][neutron] numa aware vswitch > > On Fri, 2018-08-24 at 09:13 -0500, Matt Riedemann wrote: > > On 8/24/2018 8:58 AM, Stephen Finucane wrote: > > > Using this won't add a NUMA topology - it'll just control how any > > > topology present will be mapped to the guest. You need to enable > > > dedicated CPUs or a explicitly request a NUMA topology for this to > > > work. > > > > > > openstack flavor set --property hw:numa_nodes=1 1 > > > > > > <or> > > > > > > openstack flavor set --property hw:cpu_policy=dedicated 1 > > > > > > > > > This is perhaps something that we could change in the future, though > > > I haven't given it much thought yet. > > > > Looks like the admin guide [1] should be updated to at least refer to > > the flavor user guide on setting up these types of flavors? > > > > [1] > > https://docs.openstack.org/nova/latest/admin/networking.html#numa-affi > > nity > > Good idea. > > https://review.openstack.org/596393 > > Stephen > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
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