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#openstack-nova - 2025-11-13
16:40:53 vsaienko its not explicitly set, so default is picked
16:41:39 sean-k-mooney right so im askign you to conrimf this because this was never tested for vdpa or hardware offloaded ovs
16:41:46 sean-k-mooney it shoudl get appled but it may not be
16:42:01 sean-k-mooney and if its not beign set in the ovs db then it coudl reduce the performacne
16:43:43 vsaienko https://paste.openstack.org/show/bZeQE1UxDhnNWIpJmiCb/
16:44:31 sean-k-mooney yep that the problem
16:44:35 sean-k-mooney its using fqcodel
16:44:57 sean-k-mooney create /etc/sysctl.conf.d/99_qdisk.conf and add net.core.default_qdisc = pfifo
16:45:24 sean-k-mooney thatthen apply it and try doing it again with a new vm
16:45:39 vsaienko ok thanks, let me try
16:46:33 sean-k-mooney well that might work but lets confirm something
16:46:40 sean-k-mooney what is eth1 in this case
16:46:49 sean-k-mooney is it teh respreentor netdev for the vdpa device
16:47:10 sean-k-mooney i expect it si based on the altname
16:47:17 sean-k-mooney enp33s0f1npf1vf1
16:47:48 sean-k-mooney if that is the case and the perfoamce impves when you set your defautl qdisc ot pfifo
16:48:18 sean-k-mooney the the issue you are hittig is the os-vif change is not properly handelign this edge case
16:49:09 sean-k-mooney it was intened to fix https://bugs.launchpad.net/os-vif/zed/+bug/2017868 for standard kernel ovs
16:54:19 sean-k-mooney vsaienko: if your using iperf to test you shousl also ensure that you have disable fqcodel i nteh guest. https://trex-tgn.cisco.com/ is a lot more work to set up but it woudl elimiante any worry that the traffic genreator is the bottel neck. maybe book mark that for future reading
16:57:58 vsaienko ack let me try this
16:58:00 vsaienko thanks
17:29:15 vsaienko sean-k-mooney: pfifo improves situation https://jumpshare.com/s/GkgTEynhPdHlvWptjih5
17:31:28 gmaan gibi: RE default value change of config options (966016): yes it is fine as long as we are adding it in upgrade release notes. oslo.config have way to respect both old and new when config name is changed but for default value change, yes upgrade notes is right things.
17:33:15 sean-k-mooney vsaienko: ack it will likely improve the other results too if you ened up testing them
17:33:47 sean-k-mooney we know it can limit perforamce to <10% form some reports
17:34:01 sean-k-mooney diffent backend are affected more or less
17:34:26 sean-k-mooney os-vif obviouly has a blind spot for hardware offloaded ports that we shoudl fix
17:34:47 sean-k-mooney but the root of the issue was the changeing fo behviro in ovs and systemd
17:35:20 sean-k-mooney the defuatl qdisk was change about 3-4 year ago it used to be pfifo by default
17:35:41 sean-k-mooney ovs also change to not ignoring/removing the qdisc on port added to it by defualt
17:36:19 gibi gmaan: thanks! I added the upgrade reno
17:37:50 sean-k-mooney vsaienko: https://wiki.archlinux.org/title/Advanced_traffic_control#CoDel_and_Fair_Queueing_CoDel
17:38:09 sean-k-mooney that is some of the history on this changes it hapspen din systemd 217
17:41:45 opendevreview Nicolai Ruckel proposed openstack/nova master: Preserve UEFI NVRAM variable store https://review.opendev.org/c/openstack/nova/+/959682
17:44:45 gmaan anyone face/know the issue of not seeing 'comoute.<hostname>' queue in devstack env ? I am listing all queues (sudo rabiitmqctl list_queues) and it show all queues except compute service queues (oslo.message create three queues per compute service 1. 'compute' 2. 'compute.<hostname>' 3. compute fanout with uuids)
17:45:32 gmaan it list all other queues for example sch, conductor, cinder queues
17:47:07 opendevreview Nicolai Ruckel proposed openstack/nova master: Preserve UEFI NVRAM variable store https://review.opendev.org/c/openstack/nova/+/959682
17:48:10 nicolairuckel sean-k-mooney, I found a few more places with code that wasn't necessary anymore
17:48:29 nicolairuckel I think it should be a lot cleaner now
17:48:37 sean-k-mooney yep im +1 on your patch after skimming it
17:48:51 sean-k-mooney ill upgrade to +2 after i have time to test it and read over it again
17:48:59 nicolairuckel perfect :)
17:50:51 sean-k-mooney gmaan: so it shoudl be "compute.{CONF.host}" but if the queue is not there it normally is a netwrokign or auth issue, i belive it can also happen if we exit because fo say the missing compute node id file
17:51:05 sean-k-mooney i.e. if the agent stop runing and the queue gets deleted
17:51:26 gmaan compute service is up, instance are booting fine so no issue on that side
17:51:53 sean-k-mooney are you lookig at the correct exchange?
17:52:06 gmaan if you have devstack running up, can you try if you see the comoute queues?
17:52:20 gmaan yes, nove and even i checked all exhange
17:52:34 sean-k-mooney sure i have one
17:52:49 gmaan before i boot new VM and install devstack i just want to cofirm if something in my machine
17:52:51 gmaan thanks
17:53:21 sean-k-mooney i have one on a host internally i can add you ssh key to it and you can ssh in and take a look if you want
17:54:16 gmaan its fine, if you can just check if any queue name with 'compute*'or paste the outphut of sudo rabiitmqctl list_queues
17:55:50 sean-k-mooney https://termbin.com/rzms
17:56:35 sean-k-mooney im not seeing any
17:56:36 gmaan yeah, same issue, no compute queue there
17:57:27 sean-k-mooney ah
17:57:37 sean-k-mooney so we use vhosts in devstack
17:57:42 gmaan instance booting successfully make sure no issue in queue creation but somehow it is not listed in rabbitmq command
17:57:43 sean-k-mooney and the compute are in nova_cell1
17:58:08 gmaan yeah vhosts we use
17:58:22 sean-k-mooney https://termbin.com/01tb
17:58:37 sean-k-mooney that the output form "rabbitmqctl list_queues --vhost nova_cell1 | nc termbin.com 9999"
17:58:53 sean-k-mooney compute.hibernal01
17:58:59 sean-k-mooney is the compute queue
17:59:54 gmaan ah yeah, it is listed now. thanks sean-k-mooney ++
18:00:13 sean-k-mooney no worries.
#openstack-nova - 2025-11-14
02:01:59 opendevreview melanie witt proposed openstack/nova master: Reproducer for bug 2131272 https://review.opendev.org/c/openstack/nova/+/967147
02:01:59 opendevreview melanie witt proposed openstack/nova master: Fix usage count when user-scoped quota is set https://review.opendev.org/c/openstack/nova/+/967148
05:10:25 opendevreview Rajesh Tailor proposed openstack/nova master: Make GroupAffinityViolation inherit from RescheduledException https://review.opendev.org/c/openstack/nova/+/967156
10:38:26 opendevreview Balazs Gibizer proposed openstack/nova master: Run nova-compute in native threading mode https://review.opendev.org/c/openstack/nova/+/965467
10:38:27 opendevreview Balazs Gibizer proposed openstack/nova master: WIP:Move eventlet specific libvirt event handling https://review.opendev.org/c/openstack/nova/+/967178
14:49:28 opendevreview Dan Smith proposed openstack/nova-specs master: WIP: Spec for async volume attach https://review.opendev.org/c/openstack/nova-specs/+/958900
14:51:28 opendevreview Dan Smith proposed openstack/nova-specs master: WIP: Spec for async volume attach https://review.opendev.org/c/openstack/nova-specs/+/958900
15:09:21 dansmith bauzas: I can haz? https://review.opendev.org/c/openstack/nova/+/966447
15:09:49 bauzas +Wd
15:10:00 dansmith thanks
15:37:37 opendevreview Lajos Katona proposed openstack/nova master: Use SDK for Neutron networks https://review.opendev.org/c/openstack/nova/+/928022
15:37:38 opendevreview Lajos Katona proposed openstack/nova master: Use SDK for Neutron subnets https://review.opendev.org/c/openstack/nova/+/962190
15:37:38 opendevreview Lajos Katona proposed openstack/nova master: Use SDK for Neutron extensions https://review.opendev.org/c/openstack/nova/+/962270
15:37:39 opendevreview Lajos Katona proposed openstack/nova master: Use SDK for Neutron floating IPs https://review.opendev.org/c/openstack/nova/+/962604
15:39:49 opendevreview Konrad Gube proposed openstack/nova-specs master: Propose assisted-volume-extend API https://review.opendev.org/c/openstack/nova-specs/+/949504
17:27:21 opendevreview Merged openstack/nova master: Test nova-next with >1 parallel migrations https://review.opendev.org/c/openstack/nova/+/966447
19:53:40 melwitt dansmith: sorry if you already saw but just in case you didn't, I replied to your latest comments on the vtpm stack
22:20:57 opendevreview Merged openstack/nova master: add functional repoducer for bug 2048837 https://review.opendev.org/c/openstack/nova/+/919979
22:26:17 dansmith melwitt: ack, sorry I haven't even looked to see if you had
22:27:18 melwitt oh ok
#openstack-nova - 2025-11-15
10:54:42 opendevreview Balazs Gibizer proposed openstack/nova master: WIP:Move eventlet specific libvirt event handling https://review.opendev.org/c/openstack/nova/+/967178
#openstack-nova - 2025-11-16
05:13:19 opendevreview Ghanshyam proposed openstack/nova master: WIP: Graceful shutodwn of nova services https://review.opendev.org/c/openstack/nova/+/967261
#openstack-nova - 2025-11-17
08:16:44 opendevreview Konrad Gube proposed openstack/nova-specs master: Propose assisted-volume-extend API https://review.opendev.org/c/openstack/nova-specs/+/949504
08:45:13 gibi dansmith: thanks for the review on https://review.opendev.org/c/openstack/nova/+/966446/1#message-d56cbd036e036b8a6962e6023c1c4213fbadf7ab I replied inline
10:33:05 opendevreview Henry Richter proposed openstack/nova master: Preserve vTPM state between power off and power on https://review.opendev.org/c/openstack/nova/+/955657
10:34:51 opendevreview Henry Richter proposed openstack/nova master: Preserve vTPM state between power off and power on https://review.opendev.org/c/openstack/nova/+/955657
10:54:47 opendevreview sean mooney proposed openstack/nova master: ensure correct cleanup of multi-attach volumes https://review.opendev.org/c/openstack/nova/+/916322
11:29:54 LarsErikP tobias-urdin: do you know anything about the status of merging this? https://review.opendev.org/c/openstack/nova/+/916409
13:27:41 opendevreview sean mooney proposed openstack/nova master: ensure correct cleanup of multi-attach volumes https://review.opendev.org/c/openstack/nova/+/916322
13:28:38 sean-k-mooney gibi: good catch i missed that i reordered it ^ shoudl adress your comments
13:35:32 opendevreview Henry Richter proposed openstack/nova master: Preserve vTPM state between power off and power on https://review.opendev.org/c/openstack/nova/+/955657
13:37:23 opendevreview Henry Richter proposed openstack/nova master: Preserve vTPM state between power off and power on https://review.opendev.org/c/openstack/nova/+/955657
13:38:59 gibi sean-k-mooney: thanks. +2

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