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#openstack-nova - 2021-06-22
16:03:36 gibi is there any specific bug that we need to discuss now?
16:04:10 sean-k-mooney gibi: i am pretty sure that https://bugs.launchpad.net/nova/+bug/1933096
16:04:16 sean-k-mooney is a bug in ther ci env
16:04:24 sean-k-mooney so hopefully we can close that soon
16:04:45 gibi sean-k-mooney: cool. thanks for looking into that
16:05:53 gibi if nothing else then
16:05:53 gibi #topic Gate status
16:05:58 gibi Nova gate bugs #link https://bugs.launchpad.net/nova/+bugs?field.tag=gate-failure
16:06:01 bauzas gibi: I'll look at open bugs
16:06:16 gibi bauzas: thank you
16:06:23 gibi I don't see fresh gate bug in that list
16:06:31 gibi last week we merged couple of fixes
16:06:46 gibi how do you feel, does the gate improved?
16:06:46 sean-k-mooney am any suggestions on who i should ping to move https://review.opendev.org/c/openstack/devstack/+/796826 along in devstack
16:07:06 bauzas thanks lyarwood btw.
16:07:13 bauzas for the gate failures fixes
16:07:44 gibi sean-k-mooney: gmann could be one
16:08:09 sean-k-mooney i assume that we are still seeing the intermitant failures due to the agent haning
16:08:31 sean-k-mooney so if we can merge that sooner rather then later it should help with gate stablity
16:08:32 gibi I was off yesterday and did not push any code today so I don't have the view what is failing ont he gate
16:08:46 gibi but I agree that devstack patch is a good step forwa4rd
16:09:17 gibi anything else about the gate?
16:10:34 gibi Placement periodic job status #link https://zuul.openstack.org/builds?project=openstack%2Fplacement&pipeline=periodic-weekly
16:10:38 gibi placement jobs are green
16:10:47 gibi #topic Release Planning
16:10:51 gibi Milestone 2 is 15 of July which is spec freeze
16:10:55 gibi Spec review day is 6th of July #link http://lists.openstack.org/pipermail/openstack-discuss/2021-June/023083.html
16:11:01 gibi anything else about the coming milestone?
16:12:47 gibi #topic Stable Branches
16:12:52 gibi copying notes from elodilles
16:12:56 gibi stable/ussuri is blocked (fix needs to be merged: https://review.opendev.org/c/openstack/nova/+/794675 )
16:13:00 gibi other branches should be OK (however, there are quite frequent volume detach failures for example on stable/victoria)
16:13:05 gibi stable/ocata branches of nova are EOL, branches are deleted ( https://review.opendev.org/c/openstack/releases/+/795664 )
16:13:08 gibi EOM
16:13:25 elodilles sorry, I was lost in the ussuri gate fixing patches,
16:13:35 gibi the detach failure has a fix on master
16:13:36 elodilles i will try to sort it out in the coming days
16:13:59 gibi https://review.opendev.org/c/openstack/nova/+/796255
16:14:05 gibi this needs to be backported I think
16:14:10 gibi hm
16:14:23 gibi no\
16:14:24 gibi sorry
16:14:32 gibi I'm not sure
16:15:28 gibi that fix helps with the detach issue on master where we have the new notification based detach
16:15:46 sean-k-mooney it would need to be backported to any release using the events?
16:15:56 sean-k-mooney but not where we poll?
16:16:12 sean-k-mooney so if we backport the events based detach we need to backport both
16:16:30 gibi sean-k-mooney: that is my understanding yes
16:16:42 elodilles I saw lot of failures in victoria as I said, can it be valid backport there?
16:17:18 sean-k-mooney i think its a relitivly safe backport in either case
16:17:36 gibi elodilles: the detach modification is pretty huge patch but it does not change external interfaces
16:17:51 sean-k-mooney gibi: did we backport your events patch to victoria?
16:17:53 gibi so from process perspective it is backportable
16:17:57 gibi sean-k-mooney: no
16:18:02 gibi I dont think so
16:18:20 elodilles anyway, that sound good (except that it's a huge patch :S), I'll add this to my TODO to investigate :)
16:18:29 sean-k-mooney so the failure on vicotria are proably not related to OPERATION_FAILED
16:18:44 gibi sean-k-mooney: yeah
16:18:45 sean-k-mooney elodilles: wehre they OPERATION_FAILED specifcialy or was it just detach failures
16:19:20 elodilles well, the usual error: volume ... failed to detach (in XXXX state ) something
16:19:46 sean-k-mooney ok then that is likely not related to https://review.opendev.org/c/openstack/nova/+/796255
16:19:50 gibi sean-k-mooney: I dont think nova logs the sepcific error code
16:19:53 elodilles :-/
16:19:58 sean-k-mooney we can review after the meeting if you have an example
16:20:23 elodilles sure, thanks!
16:20:25 gibi ack
16:20:28 sean-k-mooney gibi: we might see it in the libvirt log in the ci run not sure but just a guess
16:20:34 gibi ok
16:20:42 gibi any other stable related issue?
16:21:16 elodilles nothing else i think :X
16:22:37 gibi #topic Sub/related team Highlights
16:22:42 gibi Libvirt (bauzas)
16:22:45 bauzas just one thing, we discussed about https://review.opendev.org/c/openstack/nova/+/769614 about how to help operators to know about a behaviour modification for a libvirt issue
16:23:05 bauzas we had some argument about some relnote reno section
16:23:08 bauzas but,
16:23:16 bauzas eventually, I +Wd the fix
16:23:53 gibi bauzas: what is the summary?
16:24:00 bauzas do we need to create some better way to tell operators that we no longer verify the cpu topologies ?
16:24:09 sean-k-mooney yes just noticed if you really wanted me to update it i was ok with that just wanted you and stephenfin to agree on a path forward
16:24:26 bauzas gibi: this ^
16:24:58 bauzas basically, flavors could continue to have the same extraspecs
16:25:06 stephenfin bauzas: I'm still not sure what you're asking for. Are you suggesting we drop the 'upgrade' section?
16:25:18 bauzas stephenfin: no, not about this
16:25:45 bauzas stephenfin: about whether we would need more some kind of documentation for this
16:25:50 stephenfin oh, that
16:26:03 sean-k-mooney oh ok you were conserened if we needed to document it at all
16:26:10 sean-k-mooney not how we did it
16:26:10 bauzas yup
16:26:29 sean-k-mooney ok i tought you just wanted it in the fixes section so i missed that in your previous comments
16:26:33 stephenfin My personal opinion is no. We never documented this behaviour and we never agreed to guarantee it. I wanted to include the release note simply as a courtesy
16:26:39 bauzas basically, the flavors would continue to be the same, it's just the libvirt driver that won't longer verify them
16:26:54 stephenfin similar to how we announce virt API changes, even though we don't support out-of-tree virt drivers
16:27:16 stephenfin I think you've misunderstood things. Nothing changes in what we verify
16:27:21 sean-k-mooney well its not about verificaiotn is that we change unspecified behavior to different unspecifed behavior
16:27:27 bauzas stephenfin: fair enough, I'm having the same opinion but I'm asking the community here if they have concerns
16:27:34 stephenfin yes, what Sean said
16:28:05 gibi if we are changing undefined behavior then reno is just an extra, but not at all mandatory.
16:28:06 stephenfin we had a hidden behavior where we would try to match the number of guest CPU "threads" to the number of host CPU threads
16:28:25 stephenfin but it was hidden. We didn't even know it existed until sean-k-mooney started fixing this bug
16:28:28 bauzas yes, just a performance kind of help

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