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#openstack-nova - 2020-12-17
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...
15:53:30 stephenfin sean-k-mooney: yup, there's a whole series here https://review.opendev.org/q/topic:%22bp%252Fcompact-db-migrations-wallaby%22+(status:open%20OR%20status:merged) Just waiting for reviews :)
15:54:36 gibi stephenfin: nice
15:54:54 openstackgerrit Stephen Finucane proposed openstack/nova master: Remove support for '[DEFAULT] vcpu_pin_set' https://review.opendev.org/c/openstack/nova/+/767576
15:54:54 openstackgerrit Stephen Finucane proposed openstack/nova master: tests: Rework some CPU pinning tests to use new config https://review.opendev.org/c/openstack/nova/+/767575
15:54:55 openstackgerrit Stephen Finucane proposed openstack/nova master: Remove '[workarounds] disable_fallback_pcpu_query' https://review.opendev.org/c/openstack/nova/+/767578
15:54:55 openstackgerrit Stephen Finucane proposed openstack/nova master: Drop support for pinning of host siblings https://review.opendev.org/c/openstack/nova/+/767577
15:54:56 openstackgerrit Stephen Finucane proposed openstack/nova master: Drop VCPU -> PCPU reshape https://review.opendev.org/c/openstack/nova/+/767579
15:55:08 gibi I can check how much faster the test on my intentionally loaded machine with those compacted migrations
15:56:00 stephenfin sean-k-mooney: Series to drop 'vcpu_pin_set' there ^
15:56:34 stephenfin I gave up trying to keep the reshaper around and just removed it
15:57:35 sean-k-mooney ok ill try and look at both today i might start with the vcpu one
16:05:43 openstackgerrit Merged openstack/nova master: functional: Add live migration tests for PCI, SR-IOV servers https://review.opendev.org/c/openstack/nova/+/746950
16:11:57 gmann stephenfin: sean-k-mooney gibi any final direction on this ?, I am holding the code review for this which is very close to merge. https://review.opendev.org/c/openstack/nova-specs/+/765797/1/specs/wallaby/approved/modernize-os-hypervisors-api.rst#205
16:12:16 gibi gmann: we will touch it today on the meeting
16:13:11 gmann gibi: sorry, forgot about meeting :) thanks for reminder
16:13:33 openstackgerrit Merged openstack/nova master: functional: Expand SR-IOV live migration tests with NUMA https://review.opendev.org/c/openstack/nova/+/749360
16:33:35 martinkennelly are you in charge of SDN room?
16:48:24 gibi stephenfin: your db migration compating patches make the runtime of those test down by more than 75%
16:48:42 stephenfin hurrah
16:48:47 stephenfin that makes sense tbf
16:49:12 stephenfin there is also an API DB compaction, but I guess those are separate tests
16:49:32 gibi yes, there are unit tests for the nova db and functional test for the api db (dont ask why)
16:50:00 gibi I measured the nova db ones now
16:50:14 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]
16:50:14 gibi anyhow your series will eventually solve https://bugs.launchpad.net/nova/+bug/1823251
16:50:21 gibi I think
16:50:46 gibi but until that I will push timeout increases
16:57:21 openstackgerrit Ghanshyam proposed openstack/nova master: DNM: testing minbw new tests https://review.opendev.org/c/openstack/nova/+/767587
17:01:59 gibi gmann: good idea ^^
17:06:54 openstackgerrit Balazs Gibizer proposed openstack/nova master: Increase timeout for db migration tests https://review.opendev.org/c/openstack/nova/+/767590
17:07:03 gibi sean-k-mooney, stephenfin ^^
17:08:15 stephenfin LGTM. Do you want to run that a couple of times through CI or merge and let it test itself?
17:09:21 gibi stephenfin: merge it then we can revert if it does not help
17:09:24 gibi :)
17:09:45 stephenfin ack, +2 from moi
17:09:47 sean-k-mooney ah so we increase the scaling factor for the migration and decresss it for other test
17:10:03 sean-k-mooney oh no
17:10:08 gibi sean-k-mooney: nope, it is increase it for all our migration test just different amount
17:10:12 sean-k-mooney we set it to 5 for the main db and 2 for the api
17:10:17 gibi the api db mifration tests were defaulted to 1
17:10:31 sean-k-mooney right so increased for both
17:10:33 sean-k-mooney ok cool
17:10:50 gibi yepp
17:11:00 sean-k-mooney and you have reference stephens series too
17:11:04 sean-k-mooney ya this looks good to me
17:11:05 gibi if it doesn't really help then I can try to look at serializing them
17:11:32 gibi but it would be better to merge stephen's series instead
17:12:20 gibi anyhow this is the end of my day see you all tomorrow
17:12:26 stephenfin o/
17:12:55 gibi stephenfin: o/
17:57:09 gmann gibi: yeah, we can check in advance specially if those new test needs to skip in multi-cell job
18:21:51 sean-k-mooney artom: i see you added your self to https://review.opendev.org/c/openstack/nova/+/767368
18:22:19 sean-k-mooney that is required before https://review.opendev.org/c/openstack/neutron/+/766277 can merge on the neutron side

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