openstack/neutron-specs
Code Issues Proposed changes

Merge "Port NUMA affinity policy, revisit"

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Zuul
2020-10-06 23:10:23 +00:00
committed by Gerrit Code Review
parent 788a89cf84 8922ff334e
commit 6e5432f56a
1 changed files with 3 additions and 14 deletions
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17
specs/victoria/port-numa-affinity-policy.rst
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@@ -56,19 +56,9 @@ based on the PCINUMAAffinityPolicy [5]_ enum defined in Nova. That field could
have different values: "required", "legacy" and "preferred". have different values: "required", "legacy" and "preferred".
This information will be populated in the "port" dictionary when informing to This information will be populated in the "port" dictionary when informing to
Nova. This parameter will be a trait added in the "resource_request" parameter, Nova. This parameter will be added as a new extension in the port dictionary,
in the "required" list. This parameter was included in the Nova microversion in a new field called "numa_affinity_policy". By default, the value of this new
2.72 [6]_. This information will be used during the server scheduling to parameter will be "None", to keep backwards compatibility.
filter the host requirements using the Placement API.
By default, the value of this new parameter will be "None", to keep
backwards compatibility. In this case, no trait will be added to the
"resource_request" parameter.
.. code-block:: python
port_resource['resource_request'] = {
'required': [os_traits.COMPUTE_NUMA_POLICY_REQUIRED]}
Data Model Impact Data Model Impact
@@ -177,4 +167,3 @@ References
.. [3] https://specs.openstack.org/openstack/nova-specs/specs/rocky/implemented/numa-aware-vswitches.html .. [3] https://specs.openstack.org/openstack/nova-specs/specs/rocky/implemented/numa-aware-vswitches.html
.. [4] https://specs.openstack.org/openstack/nova-specs/specs/ussuri/implemented/vm-scoped-sriov-numa-affinity.html#alternatives .. [4] https://specs.openstack.org/openstack/nova-specs/specs/ussuri/implemented/vm-scoped-sriov-numa-affinity.html#alternatives
.. [5] https://github.com/openstack/nova/blob/d4c857dfcb1ccfa5410de55671e69c722bbc990e/nova/objects/fields.py#L740-L746 .. [5] https://github.com/openstack/nova/blob/d4c857dfcb1ccfa5410de55671e69c722bbc990e/nova/objects/fields.py#L740-L746
.. [6] https://docs.openstack.org/api-guide/compute/port_with_resource_request.html