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#openstack-nova - 2020-12-17
13:26:10 lyarwood given what's already in there
13:26:53 sean-k-mooney well given we want to evenually recored the value of all image properties and the machine_type propsoal was just a scoped down verion of that i think its a problematic design
13:27:30 lyarwood it wasn't a scoped down version of that at all
13:27:46 lyarwood I think you're crossing wires here tbh
13:27:49 sean-k-mooney it was ment to be
13:28:16 lyarwood it was always just about recording the machine type of existing instances
13:28:24 sean-k-mooney thats what i discussed with stephen when we were deciding if i or you would write the spec
13:28:55 lyarwood the image properties are part of it but not all instances will have the machine type set that way
13:29:15 sean-k-mooney yes i know
13:29:36 lyarwood this was always about capturing the currently used machine type and stashing it somewhere
13:29:43 sean-k-mooney yep
13:29:45 lyarwood allowing the config to change
13:29:58 lyarwood I didn't take from that the need to use the image properties
13:30:14 lyarwood I wasn't even planning to look at the image properties tbh
13:30:20 lyarwood Just the defined domains
13:30:41 sean-k-mooney well i had a very differnet plan for implementing it then
13:31:53 sean-k-mooney i will also point out form a downstream perspecitve we may need to backport this to 16.2 to support 17 upgrades
13:32:11 sean-k-mooney that would depend on how we handel the defualt machine type in 17/wallaby
13:32:34 sean-k-mooney its intended to be q35 for all new installs
13:32:47 lyarwood I wasn't planning on backporting this
13:32:49 sean-k-mooney for upgrade we need to ensure that the machine type does not change
13:32:55 lyarwood new installs would be q35
13:33:01 lyarwood upgrades would be the old default
13:33:11 lyarwood until the env was fully upgraded
13:33:20 lyarwood and the original machine types stashed
13:33:24 sean-k-mooney ok but that means the ooo work is more involed but that is fine
13:33:40 lyarwood yeah it's a wrinkle we would need to document
13:33:48 lyarwood if we go with system metadata then I could backport it
13:34:01 sean-k-mooney yep
13:34:02 lyarwood so I'll take another look at that
13:41:12 gibi lyarwood, sean-k-mooney: I barely followed the machine type dicussion above, if your decide on a change in direction then please propose a spec update accordingly
13:42:02 sean-k-mooney ack im not sure it sa change in direction at elast form the ptg discussion
13:42:23 sean-k-mooney https://etherpad.opendev.org/p/nova-wallaby-ptg line 196 is the aggreed statement
13:42:30 sean-k-mooney *796
13:43:02 gibi sean-k-mooney: anyhow, please keep the spec in sync with the impl :
13:43:03 gibi :)
13:43:15 sean-k-mooney but the main delta is lyarwood is going to look at using system metatdata table instead of a new column which would be a change in spec
13:43:34 gibi ack
13:44:24 sean-k-mooney i guess its tbd how easy that is but i think it shoudl be a smaller code change in general
14:08:41 lyarwood sean-k-mooney: sorry I can't recall why I dropped the generic record all the metadata props part of this
14:09:09 sean-k-mooney it was likely not in the downstream bz/dod
14:09:14 lyarwood sean-k-mooney: I think it might be due to that approach not capturing the config side
14:09:22 lyarwood sean-k-mooney: yeah or that
14:09:28 sean-k-mooney it was going to capture the config too
14:09:46 sean-k-mooney the idea was to sotre the config value in the imgage prerty filed if it was not set
14:09:57 sean-k-mooney but its fine to strat with just machien_type
14:10:14 sean-k-mooney if its easy to repate the same pattern for the other value when we need them
14:11:02 lyarwood yup, let me rewrite this and update the spec
14:11:33 gibi ^^ +1
14:11:34 gibi :)
14:11:41 gibi on the spec side
14:11:51 lyarwood yup sorry about this
14:12:33 gibi no problem on my side
14:39:22 openstackgerrit YumengBao proposed openstack/nova-specs master: libvirt supports composing cyborg owned vGPU accelerator into domain XML https://review.opendev.org/c/openstack/nova-specs/+/750116
14:40:30 stephenfin bauzas: any chance you could look at https://review.opendev.org/q/topic:%2522sriov-functional-tests%2522+status:open too
14:40:31 stephenfin ??
14:45:16 Yumeng gibi: just updated vGPU spec according to today's discuss. Please help to mention in nova's meeting today so cores can know about the update! need their review and comment,Thanks! https://review.opendev.org/c/openstack/nova-specs/+/750116
14:45:59 gibi Yumeng: thanks for the update. I will mention the fact that the spec needs core review on today's meeting
14:52:19 openstackgerrit Lance Bragstad proposed openstack/placement master: Bump oslo.log version to 4.3.0 https://review.opendev.org/c/openstack/placement/+/760229
14:53:54 openstackgerrit Lance Bragstad proposed openstack/placement master: Pass context objects to oslo.policy directly https://review.opendev.org/c/openstack/placement/+/766785
14:54:08 openstackgerrit Aleksey Ulyanov proposed openstack/nova master: Fix graceful shutdown timeout https://review.opendev.org/c/openstack/nova/+/764927
15:02:33 openstackgerrit Lance Bragstad proposed openstack/placement master: Implement secure RBAC for resource providers https://review.opendev.org/c/openstack/placement/+/760240
15:02:56 openstackgerrit Aleksey Ulyanov proposed openstack/nova master: Fix graceful shutdown timeout https://review.opendev.org/c/openstack/nova/+/764927
15:13:34 bauzas Yumeng: gibi: saw the update but honestly, I won't have time for reviewing this large spec before end of this year
15:13:57 bauzas which is for me in 24 hours (with Friday afternoon full of meetings)
15:17:53 gibi bauzas: no worries
15:18:12 gibi Yumeng knows that we are just about to go for PTO for two weeks
15:23:42 bauzas gibi: actually, I lied, I just commented out loud
15:24:06 bauzas because I was horrified by what I saw
15:35:11 openstackgerrit Lee Yarwood proposed openstack/nova stable/victoria: WIP run-evacuate-hook: Use osc to evacuate instances https://review.opendev.org/c/openstack/nova/+/767570
15:36:12 openstack Launchpad bug 1823251 in OpenStack Compute (nova) "Spike in TestNovaMigrationsMySQL.test_walk_versions/test_innodb_tables failures since April 1 2019 on limestone-regionone" [High,Confirmed]
15:36:12 gibi sean-k-mooney: you were right and I was wrong. https://bugs.launchpad.net/nova/+bug/1823251 is a timeout issue really. Now I can reporduce it locally.
15:36:42 sean-k-mooney gibi: oh ok so can we do what manial did or is it different?
15:37:08 gibi sean-k-mooney: I think we can try what manial did, but I'm affraid at some point we will run out the time budget for the whole test run
15:37:17 gibi test job run
15:37:38 sean-k-mooney you mentioned something about scale factor in the bug
15:37:53 gibi yeah, we have a 160sec per test case timeout
15:37:54 sean-k-mooney ah self.useFixture(timeout.Timeout(
15:37:55 sean-k-mooney scaling_factor=self.TIMEOUT_SCALING_FACTOR))
15:38:08 gibi but the mysql tests uses 4 * 160 sec
15:38:12 gibi and still not enough
15:38:32 gibi somehow the test VM is pretty IO limited
15:38:44 sean-k-mooney hum well they defalt to 300 second for manila
15:39:01 sean-k-mooney gibi: this only happens on limestone right
15:39:16 gibi the original report said so
15:39:24 gibi but I havent validated that recently
15:39:38 sean-k-mooney im not sure how new the hardware is, we have had io issue in the past where qos was limiting the disk to 100 IOPS on ovh?
15:45:10 gibi sean-k-mooney: now I see more this happening on vexxhost-ca-ymq-1 provider
15:45:34 gibi but maybe it is just because we run test more there
15:45:38 gibi i dont know
15:47:00 gibi hm, here is a neutron migration test with postgres failing for the same reason https://b2b5edd1153190007318-36597f05313fd3fdc073d75819a76269.ssl.cf1.rackcdn.com/766204/7/check/neutron-functional-with-uwsgi/8533ed9/job-output.txt
15:47:08 gibi so it is not at all nova or mysql specific
15:47:33 gibi they have ~ 200sec timeout
15:47:39 sean-k-mooney ya it proably affect all project with a lot of migrations
15:47:48 gibi (nova has 160 for the api db test, and 640 for the nova db test)
15:47:53 sean-k-mooney stephenfin's patch shoudl help with that
15:48:15 gibi the squashing migration one?
15:48:21 sean-k-mooney yep
15:48:28 sean-k-mooney stephenfin: have you pushed that yet ^
15:50:17 gibi nova meeting starts in 10 minutes...

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