16 lines
836 B
YAML
16 lines
836 B
YAML
---
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other:
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- |
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The nova libvirt virt driver supports creating instances with multi-queue
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virtio network interfaces. In previous releases nova has based the maximum
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number of virtio queue pairs that can be allocated on the reported kernel
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major version. It has been reported in `bug #1847367`_ that some distros have
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backported changes from later major versions that make major version
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number no longer suitable to determine the maximum virtio queue pair count.
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A new config option has been added to the libvirt section of the nova.conf.
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When defined nova will now use the ``[libvirt]/max_queues`` option to
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define the max queues that can be configured, if undefined it will
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fallback to the previous kernel version approach.
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.. _`bug #1847367`: https://bugs.launchpad.net/nova/+bug/1847367
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