diff options
| author | Zuul <zuul@review.opendev.org> | 2020-11-13 20:06:13 +0000 |
|---|---|---|
| committer | Gerrit Code Review <review@openstack.org> | 2020-11-13 20:06:13 +0000 |
| commit | 60071a2c83ad1d7ed6fd50f8af0bb4d92aa84bea (patch) | |
| tree | 7a17c39997ebfb9ab1af120cfac3672cdfa3dcb0 /releasenotes | |
| parent | 5016a36d25de30c78dce3f3a9a247335de286039 (diff) | |
| parent | 286d7cfc5c45535561b6ed6e7906bb40de5abc93 (diff) | |
| download | nova-60071a2c83ad1d7ed6fd50f8af0bb4d92aa84bea.tar.gz | |
Merge "add [libvirt]/max_queues config option" into stable/train
Diffstat (limited to 'releasenotes')
| -rw-r--r-- | releasenotes/notes/virtio-max-queues-27f73e988c7e66ba.yaml | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/releasenotes/notes/virtio-max-queues-27f73e988c7e66ba.yaml b/releasenotes/notes/virtio-max-queues-27f73e988c7e66ba.yaml new file mode 100644 index 0000000000..845f0c258f --- /dev/null +++ b/releasenotes/notes/virtio-max-queues-27f73e988c7e66ba.yaml @@ -0,0 +1,15 @@ +--- +other: + - | + The nova libvirt virt driver supports creating instances with multi-queue + virtio network interfaces. In previous releases nova has based the maximum + number of virtio queue pairs that can be allocated on the reported kernel + major version. It has been reported in `bug #1847367`_ that some distros have + backported changes from later major versions that make major version + number no longer suitable to determine the maximum virtio queue pair count. + A new config option has been added to the libvirt section of the nova.conf. + When defined nova will now use the ``[libvirt]/max_queues`` option to + define the max queues that can be configured, if undefined it will + fallback to the previous kernel version approach. + + .. _`bug #1847367`: https://bugs.launchpad.net/nova/+bug/1847367 |