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#openstack-nova - 2023-10-17
14:12:14 sean-k-mooney tobias-urdin: https://bugs.launchpad.net/nova/+bug/1960840 is related
14:12:33 sean-k-mooney we considerd extneding the flavor validation https://review.opendev.org/c/openstack/nova/+/829064
14:13:00 sean-k-mooney however part of the problem is the range depend on the virtdriver in use and the cgroup version in the libvirt case
14:14:36 sean-k-mooney in that case actully the limit is a tc one rather the cgroup but we considerd deprecting and removing these as a result
14:15:07 sean-k-mooney that simpler to do with the vif quotas since they generally nolonger fucntion
14:15:18 sean-k-mooney and have a neutron replacemnt that does
14:17:24 tobias-urdin as an operator i basically have two options 1) apply patch https://review.opendev.org/c/openstack/nova/+/824048 and just live with the behaviour change and larger instances does not get favored for oversubscription and i have to manually update cpu_shares or backport that patch to yoga to move to zed with live migration or 2) scale the value and
14:17:24 tobias-urdin set correct on all current instances and live migrate them over and make sure new instances also gets a scaled value
14:17:52 tobias-urdin for an operator where touching the code is an issue this might be very messy
14:18:28 tobias-urdin i opted for adding it as a workaround and upon nova-compute startup fix the values, exactly because of the upgrade issue
14:18:39 sean-k-mooney so im not against backporting the disabling of the implict cpu_share request for what its worht
14:18:59 sean-k-mooney tobias-urdin: we have dont this back to wallaby downstream because we considerd it a release blocker for our product
14:19:31 sean-k-mooney tobias-urdin: we dont have any other code that modifes a guest on startup like that and im not sure hta tis a patten we should follow in general
14:21:19 sean-k-mooney tobias-urdin: if we were to backport https://review.opendev.org/c/openstack/nova/+/824048 to yoga would that solve your issue
14:22:41 tobias-urdin it feel like kind of a limbo, if libvirt maintainers indeed informed that this will never change then the only way forward is fix applications or drop it, i'm just surpised we went for drop it for a default value that has been there since years(?)
14:23:33 tobias-urdin personally i would like it backported but i dont know if stable backport policy covers performance impact as well?
14:27:08 opendevreview Amit Uniyal proposed openstack/nova-specs master: WIP: Enforce console session timeout https://review.opendev.org/c/openstack/nova-specs/+/898553
14:29:26 opendevreview Tobias Urdin proposed openstack/nova stable/yoga: libvirt: remove default cputune shares value https://review.opendev.org/c/openstack/nova/+/898554
14:31:41 tobias-urdin i guess ^ and then hope that operators take the proper action to update cpu_shares to default value or live migrate to get rid of it, annoying that nothing with this is optimal
14:33:03 tobias-urdin a shame that libvirt didn't even try by introducing a cputune.cpu_weight, deprecating and scaling the cputune.cpu_shares value if required, like systemd did and took backward compatibility more seriously
14:33:10 tobias-urdin / end of rant :p
14:50:05 bauzas reminder : nova meeting in 1 hour and 10 mins here
15:43:25 opendevreview Takashi Kajinami proposed openstack/nova master: Fix python shebang https://review.opendev.org/c/openstack/nova/+/898594
15:46:59 opendevreview Merged openstack/nova stable/wallaby: Accept both 1 and Y as AMD SEV KVM kernel param value https://review.opendev.org/c/openstack/nova/+/843939
16:01:18 bauzas #startmeeting nova
16:01:18 opendevmeet Meeting started Tue Oct 17 16:01:18 2023 UTC and is due to finish in 60 minutes. The chair is bauzas. Information about MeetBot at http://wiki.debian.org/MeetBot.
16:01:18 opendevmeet Useful Commands: #action #agreed #help #info #idea #link #topic #startvote.
16:01:18 opendevmeet The meeting name has been set to 'nova'
16:01:21 bauzas hey folsk
16:01:24 dansmith o/
16:01:27 elodilles o/
16:01:30 bauzas #link https://wiki.openstack.org/wiki/Meetings/Nova#Agenda_for_next_meeting
16:02:38 auniyal 0/\
16:02:52 auniyal o/
16:02:57 bauzas okay, let's start
16:03:02 bauzas #topic Bugs (stuck/critical)
16:03:04 bauzas #info No Critical bug
16:03:09 bauzas #link https://bugs.launchpad.net/nova/+bugs?search=Search&field.status=New 47 new untriaged bugs (+1 since the last meeting)
16:03:15 bauzas #info Add yourself in the team bug roster if you want to help https://etherpad.opendev.org/p/nova-bug-triage-roster
16:03:34 Uggla o/
16:03:38 bauzas artom: you're next in the roster list, fancy trying to look at some upstream bugs ?
16:04:33 bauzas artom seems to be offline, let's move on and we'll see
16:04:38 bauzas #info bug baton is artom
16:04:40 bauzas #undo
16:04:41 opendevmeet Removing item from minutes: #info bug baton is artom
16:04:49 artom Eh? No I'm here
16:04:50 bauzas #info bug baton is tentatively artom
16:05:19 bauzas artom: I was just asking you whether you were happy to go looking at Launchpad
16:05:22 artom (to my own surprise, I should say - I've been trying a new wayland-native IRC client, and it got lost somewhere on my 9 workspaces)
16:05:47 bauzas trust me, this is a happy place compared to some other bug reporting tools I know
16:05:52 artom Yep, I'll launch all the triage pads
16:06:09 artom And pad all the triage launches
16:06:29 bauzas I give you my pad, bro
16:06:48 bauzas anyway, moving on
16:06:48 artom Pad accepted, brah
16:06:52 bauzas #topic Gate status
16:06:59 bauzas #link https://bugs.launchpad.net/nova/+bugs?field.tag=gate-failure Nova gate bugs
16:07:09 bauzas this was a funny week
16:07:22 sean-k-mooney dansmith: have you seen that grenade failure more then once
16:07:26 bauzas but afaict, the gate postfailure is now fixed ?
16:07:30 dansmith sean-k-mooney: yeah
16:07:49 dansmith looks like failure to ssh to the test instance though
16:07:55 dansmith I haven't dug in deep yet
16:08:01 sean-k-mooney ok so that might be another gate blocker
16:08:16 bauzas shit
16:08:25 sean-k-mooney ya it looks like an ssh issue but im not sure if its consitent or intermitant
16:08:26 dansmith idk, but it's blocking the fix for another blocker :)
16:08:57 bauzas I don't you for you folks, but I have the impression that the universe is after me
16:09:01 sean-k-mooney for context https://github.com/openstack/grenade/blob/master/projects/70_cinder/resources.sh#L240 is failing
16:09:40 sean-k-mooney but have not looked at it properly either
16:09:46 bauzas ack
16:10:04 bauzas I guess the cinder team is fully aware of the situation ?
16:10:31 dansmith I doubt it's a cinder problem
16:10:34 bauzas but since we ssh to the guest, this is our mud, right ?
16:10:43 sean-k-mooney if they run grenade maybe but i just saw it this morning
16:11:02 sean-k-mooney im logging in to opensarch to see how common it is now
16:11:08 bauzas and no guest console saying anything ?
16:11:35 sean-k-mooney again i havent debug it so im not sure
16:11:38 dansmith no guest console dump in grenade
16:11:41 dansmith that's a tempest thing
16:11:45 dansmith lets not debug here
16:12:27 bauzas I quite agree with the fact that we shouldn't debug now
16:12:31 bauzas moving on so
16:12:44 bauzas #link https://zuul.openstack.org/builds?project=openstack%2Fnova&project=openstack%2Fplacement&pipeline=periodic-weekly Nova&Placement periodic jobs status
16:12:45 sean-k-mooney looks like 100 failures in the last 30 days
16:12:50 sean-k-mooney but ya lets move on
16:13:05 bauzas some reds, but the gate isn't happy those days, we'll see next week
16:13:10 bauzas #info Please look at the gate failures and file a bug report with the gate-failure tag.
16:13:58 bauzas #topic Release Planning
16:14:03 bauzas #link https://releases.openstack.org/caracal/schedule.html
16:14:07 bauzas #info Nova deadlines are not yet defined and will be once the PTG happens
16:14:12 bauzas #info Caracal-1 milestone in 4 weeks
16:14:27 bauzas we'll discuss about spec review days next week at the PTG
16:14:53 bauzas but this is a good idea to propose your specs this week or the week after, since we'll be around at the same time
16:15:11 bauzas message is sent, moving on
16:15:15 bauzas #topic Caracal vPTG planning
16:15:19 bauzas #info Sessions will be held virtually October 23-27
16:15:25 bauzas which is next week, basically
16:15:44 bauzas let's be honest, I'm late in terms of preparing this PTG
16:15:57 opendevreview Takashi Kajinami proposed openstack/nova master: Drop remaining deprecated upgrade_levels option for nova-cert https://review.opendev.org/c/openstack/nova/+/898613

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