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#openstack-nova - 2023-01-17
16:08:52 bauzas I tried to grep the testname in n-api
16:09:01 bauzas but I wasn't finding it
16:09:07 bauzas so, either we no longer use it
16:09:17 bauzas or we were not yet calling the nova-api
16:09:34 bauzas which means we have the kill before creating the instance
16:09:55 bauzas but I could be wrong
16:10:53 bauzas anyway, folks are ok if we modify the bug to High ?
16:10:59 bauzas bug report*
16:11:32 gibi tomorrow I will continue looking but we can also tentatively try to disable this single test to see if that removes the OOM problem
16:12:18 gibi bauzas: I'm not against having this as High
16:12:26 bauzas ok
16:12:35 bauzas then let's look again tomorrow and we'll see what to do
16:13:08 bauzas this time I'm just afraid to remove this test because we don't know why we have a OOMkill
16:13:18 bauzas this could arrive to another test then
16:13:40 gibi yep, that would be my goal of disabling it temporary to see if the OOM just moves to another test case
16:13:44 gibi and to see which test case
16:13:48 gibi to find a pattern
16:13:48 bauzas (I also verified that nothing changed on the tempest side since 1 year for this test)
16:14:05 dansmith gibi: you could also rename it I think and change the sort ordering
16:14:10 bauzas yeah
16:14:11 dansmith afaik, we run tests sorted per worker
16:14:27 bauzas I was wondering, maybe this was a problem due to another test
16:14:28 gibi dansmith: good idea
16:14:45 bauzas dansmith: I think we can ask stestr to modifyh the sort
16:14:55 dansmith oh?
16:14:59 bauzas but I need to remember how to do it
16:15:05 gibi bauzas: on that I extracted all the test cases form the killed worker from multiple runs and the only test case overlap was this tc
16:15:35 gibi so if other test causing the issue then it is not a single test but a set of tests
16:15:49 gibi otherwise I would see an overlap
16:15:51 bauzas gibi: well, yeah, but that maybe means that the previous tests were adding more memory before so that's only with this test that OOMkiller wants to kill
16:16:14 bauzas as you see, this is a very simple test
16:16:22 gibi that is my point above, if a single test adds the extra memory usage then that woudl show up as an overlap between runs
16:16:30 gibi but it doesn't
16:16:45 bauzas gibi: that's why I'll try to see how to ask stestr to modify the sort
16:17:12 gibi yeah, moving this tc to the end can help to see if there is a set of tests that trigger this behavior
16:18:07 gibi anyhow I think we can move on
16:19:03 bauzas cool
16:19:19 bauzas #link https://bugs.launchpad.net/nova/+bugs?search=Search&field.status=New 27 new untriaged bugs (+0 since the last meeting)
16:19:45 bauzas I triaged a few bugs todaty
16:19:57 bauzas #link https://etherpad.opendev.org/p/nova-bug-triage-20230110
16:20:16 bauzas nothing to report here by now
16:20:21 bauzas #info Add yourself in the team bug roster if you want to help https://etherpad.opendev.org/p/nova-bug-triage-roster
16:20:28 bauzas gibi: wants to get the bug baton this week ?
16:21:23 gibi bauzas: sure I can
16:21:29 bauzas thanks alot
16:21:47 bauzas #info bug baton is being passed to gibi
16:21:53 bauzas #topic Gate status
16:21:58 bauzas #link https://bugs.launchpad.net/nova/+bugs?field.tag=gate-failure Nova gate bugs
16:22:14 bauzas we already discussed about the main one, wanting to discuss other CI bugs ?
16:22:38 gibi just a sort summary
16:22:38 bauzas looks not
16:22:41 bauzas ah
16:22:50 bauzas we're listening to you
16:22:53 gibi I see failures in our functional tests
16:23:13 gibi one is about missing db tables so it is probably interference between test cases
16:23:21 gibi we saw that before
16:23:30 gibi fixed it but not we had a non 100% fix
16:23:39 bauzas :/
16:24:08 gibi and there is a failure with db cursor need a reset
16:24:14 gibi it might be related to the above
16:24:17 gibi not sure yet
16:24:47 bauzas lovely
16:24:55 gibi these two I wanted to mention
16:25:08 gibi but there are other open bugs that appear in the gate time to time
16:25:09 bauzas flipping strest worker runs would help to trigger the races
16:25:20 gibi so it is fairly hard to land things overall
16:25:29 bauzas I could try to reproduce those functests locally
16:25:45 bauzas this would exhaust my laptop, but worth trying
16:26:18 bauzas gibi: let's then discuss this tomorrow as well
16:26:23 gibi sure
16:26:48 bauzas I mean, I have my power mgmt series to work on, but if we can't land things, nothing will merge either way.
16:27:03 sean-k-mooney the gate is not totally blocked
16:27:12 sean-k-mooney but its flaky enough that its hard
16:27:15 bauzas yeah, but rechecking is not a great option
16:27:16 gibi yepp
16:27:22 sean-k-mooney ya its not
16:27:29 bauzas agreed, I'm not sending the signal our gate is busted
16:27:35 bauzas but we know this is hard
16:27:43 sean-k-mooney one thing i have noticed is the py3.10 functional job seams more stable then py38
16:27:47 bauzas and let me go to the next topic and you'll understand why
16:28:01 sean-k-mooney for the db issues
16:28:09 sean-k-mooney but that could be just the ones i happend to look at
16:28:14 bauzas ok
16:28:22 clarkb sean-k-mooney: 3.10 introduced a much more deterministic thread scheduler. Also its quite a bit quicker in some projects which helps generally
16:28:32 bauzas ah, gdk
16:28:54 bauzas we probably have tests not correctly cleaning up data
16:28:58 bauzas so we need to bisect them
16:29:01 sean-k-mooney ya so im wondifing if we are blocked we might want to make the 3.8 one non voting while we try to fix this
16:29:14 sean-k-mooney but there are other issues so i dont think that will help much
16:29:19 sean-k-mooney just somethign to keep in mind
16:29:20 bauzas sean-k-mooney: before going that road, lemme try to bisect the faulty tests
16:29:25 dansmith I've seen it both waysm
16:29:26 sean-k-mooney yep
16:29:32 dansmith 3.10 passing with 3.8 failing and the other way
16:29:39 dansmith so I don't think disabling one gets us much
16:29:41 sean-k-mooney ok then its jsut flaky
16:29:50 bauzas lovely
16:29:53 bauzas moving on
16:29:59 bauzas we have some agenda today
16:30:09 bauzas #link https://zuul.openstack.org/builds?project=openstack%2Fnova&project=openstack%2Fplacement&pipeline=periodic-weekly Nova&Placement periodic jobs status

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