eb8519d811
1) Extend flavor/image extra spec. 2) New xml parameter for qemu command was added. 3) New request filter added for scheduler. 4) Unit and Functional tests were updated 5) Requirments was updated ( os-traits = 3.0.0 ) 6) Releasnote was added Nova spec: https://review.opendev.org/c/openstack/nova-specs/+/868377 Depends-On: https://review.opendev.org/c/openstack/os-traits/+/876069 Change-Id: I789eeae86947e9a3cbd7d5fcc58d2aabe3b8b84c
20 lines
814 B
YAML
20 lines
814 B
YAML
---
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features:
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- |
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Handling packed virtqueue requests for an instance is now supported on
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the nodes with Qemu v4.2 and Libvirt v6.3.
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VMs using virtio-net will see an increase in performance. The increase
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can be anywhere between 10/20% (see DPDK Intel Vhost/virtio perf. reports)
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and 75% (using Napatech SmartNICs).
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Packed Ring can be requested via image property or flavor extra spec.
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hw_virtio_packed_ring=true|false (default false)
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hw:virtio_packed_ring=true|false (default false)
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Useful references:
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https://libvirt.org/formatdomain.html#virtio-related-options
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https://docs.oasis-open.org/virtio/virtio/v1.1/csprd01/virtio-v1.1-csprd01.html
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https://specs.openstack.org/openstack/nova-specs/specs/2023.2/approved/virtio_packedring_configuration_support.html
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