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#openstack-nova - 2025-01-21
16:16:56 bauzas (bauzas) Updating our QEMU/libvirt min versions ?
16:17:26 bauzas so, when working with Uggla on the VFIO-pci series for live-migration, we discussed about the minimum versions we have
16:18:06 bauzas the context is that in libvirt we do support our minimums from Focal, AFAICT :)
16:18:56 bauzas but now, our tested runtimes are clear, we only need to support Jammy
16:19:00 bauzas #link https://governance.openstack.org/tc/reference/runtimes/2025.1.html
16:19:51 bauzas during the Caracal PTG, we agreed on upgrading our min versions as soon as we were able to bump them, and I'd prefer honestly to bump our mins on that SLURP release rather than on a non-SLURP
16:20:25 gibi +1
16:20:28 bauzas (which would mean that we need to forward-port the relnotes to G* which would be the next SLURP if we bump during Flamingo)
16:20:28 Uggla +1
16:20:51 bauzas are we okay to bump our mins to be the existing the next mins ?
16:20:57 bauzas which are Jammy ones
16:21:20 bauzas we could define the next mins to be the Noble versions for QEMU and libvirt
16:21:55 gibi +1 on making the current next_min our new min, and set next_min to whatever in Noble
16:21:58 bauzas #link https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L215-L224
16:22:38 Uggla sounds good, are there docs to update too ?
16:22:39 bauzas that's OK, we can provide a patch and people will review it anyway
16:23:05 bauzas Uggla: yes, there are, see the big fat comment on top of the code, by the link I passed
16:23:25 bauzas Uggla: fancy proposing the bump ?
16:23:55 gibi feel free to ping me for review
16:24:14 bauzas thanks gibi
16:24:16 Uggla yep I can provide the patch early next week.
16:24:35 gibi Uggla: thanks for taking this
16:24:44 bauzas #agreed Uggla will propose the QEMU/libvirt versions bump this cycle so people may review the proposal
16:24:57 bauzas moving on
16:25:05 bauzas a procedural note,
16:25:17 bauzas (bauzas) This is my last PTL term
16:25:18 Uggla I will also propose the release for trait if that's ok for you ?
16:25:34 bauzas Uggla: which trait ?
16:25:38 gibi Uggla: sure go ahead
16:25:51 sean-k-mooney bauzas: oh sorry
16:25:59 sean-k-mooney i was distracted
16:26:02 bauzas oh you meant the os-trait release patch ? sure, but please wait until next week as said before
16:26:07 gibi if in the meantime we get the patches for the vTPM traits the we can hold the release a bit but I suggest to just do one more release if needed
16:26:09 Uggla bauzas, yes
16:26:26 bauzas sean-k-mooney: no worries, we'll get back to you in a sec
16:26:29 gibi releases are quick an cheap
16:26:42 bauzas so, about the PTL seat, I'll leave it
16:27:00 bauzas as a reminder, elections start on Feb 5
16:27:12 bauzas voilà, it was mostly a FYI
16:27:36 gibi bauzas: thank you for your service
16:27:41 bauzas (as you've seen, my upstream involvment on Nova decreased a bit so I need to give me more time to do real work)
16:28:00 elodilles indeed, thanks so far bauzas o/
16:28:25 Uggla thx bauzas for the PRL service.
16:28:39 fwiesel bauzas: Thanks a lot!
16:28:59 Uggla I think I will be a candidate for the PTL seat. bauzas almost convinced me. :)
16:29:03 bauzas thanks, I appreciated that seat but now the cushion has my bottom nearly printed on it *on it since I seated too long
16:29:28 bauzas I don't want to convince anyone, it's an election
16:29:45 bauzas but I appreciate people volunteering for that service
16:29:50 Uggla Of course.
16:30:02 bauzas as a reminder, I won't disappear and I'll of course help the new PTL
16:30:43 bauzas whoever is elected
16:31:13 bauzas anyway, that reminds me I have to start to draft next PTG agenda
16:31:41 bauzas of course, I won't run it but the next person will appreciate to have it ready
16:31:58 bauzas anyway, done on that procedural note
16:32:04 bauzas moving on
16:32:12 bauzas back to sean-k-mooney's point
16:32:23 bauzas (sean-k-mooney) disable the heal instance info cache periodic
16:32:29 bauzas sean-k-mooney: around now ?
16:32:33 sean-k-mooney ya so context
16:33:26 sean-k-mooney about 2-3 years ago the neturon folks started seeing higher then expecte background load the neutorn server api in bug reports form upstream/downstream custoemrs
16:34:05 sean-k-mooney after some invstatiation thaty raised the topic of our periodic heal action in a neutron nova cross project session and asked is it really needed
16:34:12 bauzas indeed
16:34:25 sean-k-mooney at the time we determined that it should not be but it kind of fell off our radar
16:34:27 bauzas I do also remember some OpenInfra talks about that
16:34:55 sean-k-mooney recently this has come up again down stream and i wanted to bring th topic back upstrem
16:35:04 sean-k-mooney so there are two patches related to this in flight
16:35:18 sean-k-mooney the first just test disabling the perodic in nova next
16:35:32 sean-k-mooney i belive tha that has already merged
16:35:40 sean-k-mooney the second which is what i wanted to dicuss
16:35:53 sean-k-mooney is how do we feel about finally disbaling the perodic by default
16:36:19 bauzas given the operator feedback I heard, I'm pro-this
16:36:34 sean-k-mooney i would like to propose doign it this cycle but if we want to leave it back in the nova-next job to get more data that also a path forward
16:36:43 bauzas sean-k-mooney: here's my proposal,
16:37:07 bauzas send a thread to openstack-discuss by notifying the ops that we plan to do it this cycle
16:37:13 bauzas link to the proposed patch
16:37:29 bauzas and if nobody argues by the next weeks, then we can merge it
16:37:47 bauzas my bet is that operators will appreciate the default disabling
16:37:59 sean-k-mooney ok i can do that
16:38:15 sean-k-mooney shal we set a date to check back. say 2 weeks?
16:38:27 sean-k-mooney i would prefer not to wiat rith to FF to change the default
16:38:49 sean-k-mooney in case we decied we need to revert it
16:38:53 bauzas good point
16:39:07 bauzas yeah, 2 weeks seems a reasonable trade-off
16:39:07 masahito I agree the default change as a large scale OpenStack operator. it's nice update.
16:39:14 bauzas we have 5 weeks to FF
16:39:25 bauzas that would leave 3 weeks with the change running in CI
16:40:05 sean-k-mooney ack ill send a mail to the list later today
16:40:10 gibi I'm OK with the 2 weeks notice
16:40:45 sean-k-mooney the proceedign patch https://review.opendev.org/c/openstack/nova/+/939453/1
16:40:51 sean-k-mooney hasnet actully merge yet
16:41:05 sean-k-mooney that is just testing disabling it in nova-next only
16:41:18 sean-k-mooney if there is no objection ill recheck that
16:41:36 sean-k-mooney and that gives ues 2 addtional weeks fo feedback in the nova-next job while we wait
16:41:52 bauzas indeed
16:41:58 bauzas sounds a plan
16:42:42 bauzas #agreed sean-k-mooney will notify openstack-discuss about disabling by default the instance info cache and give a 2-week notice for disagreements
16:42:53 bauzas cool
16:42:56 bauzas moving on
16:43:55 bauzas (hemanth) Request for review - Compute memory monitor
16:43:59 bauzas is hemanth here?

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