On 5/25/2018 12:56 AM, Matt Riedemann wrote:
On 5/24/2018 8:33 PM, Jeffrey Zhang wrote:
Recently, i am trying to implement a function which aggregate nova
hypervisors
rather than nova compute host. But seems nova only aggregate
nova-compute host.
On the other hand, since Ocata, nova depends on placement api which
supports
aggregating resource providers. But nova-scheduler doesn't use this
feature
now.
So is there any better way to solve such issue? and is there any plan
which
make nova legacy aggregate and placement api aggregate cloud work
together?
There are some new features in Rocky [1] that involve resource provider
aggregates for compute nodes which can be used for scheduling and will
actually allow you to remove some older filters
(AggregateMultiTenancyIsolation and AvailabilityZoneFilter). CERN is
using these to improve performance with their cells v2 deployment.
Oops, I forgot to include the link to the reference [1].
[1]
https://docs.openstack.org/nova/latest/admin/configuration/schedulers.html#aggregates-in-placement
--
Thanks,
Matt
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