Thursday, 2021-01-21

dansmithI know that the answer to this is "of course",00:00
dansmithwell,00:00
dansmithI'm trying to decide how important I think it is to prove the speedup in the gate workers, vs. relying on my local consistent numbers and pushing to get it into the firehose to prove it out00:01
dansmithI could spend a bunch of time trying to track individual worker runtimes, rechecking like a mad person (which currently means basically one or two data points per day),00:01
dansmithor I could just say "look, it's faster."00:02
fungii favor bold assertions00:02
clarkbI think if you can show it isn't any slower in the gate that the other outliers but can show its faster locally you could sell it as a local dev improement00:02
fungibut i don't decide what patches merge to devstack ;)00:02
dansmithI can see being super iop constrained being the big deal here, but this is much faster on rust even, without a caching layer and ssds underneath00:02
dansmithdo we know if vexx, ovh, etc are on rust or silicon?00:03
clarkbvexx is all ceph on I don't know what. Not sure about any of hte other clouds00:03
dansmithbecause especially without head thrashing, more in the queue should be better for overall throughput00:04
dansmithwith this config, I see multiple places where openstack client is burning 100% cpu across multiples, and things like nova-manage and glance-manage spinning wheels generating sql before mysql ever starts fsyncing() the disk00:04
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openstackgerritRico Lin proposed openstack/project-config master: Add ubuntu bionic and focal with xxxlarge flavor  https://review.opendev.org/c/openstack/project-config/+/77156507:02
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openstackgerritRico Lin proposed openstack/project-config master: Add ubuntu bionic and focal with xxxlarge flavor  https://review.opendev.org/c/openstack/project-config/+/77156512:55
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ricolinmnaser, fungi can you help on review https://review.opendev.org/c/openstack/project-config/+/771565 we need it as experiment on arm64+devstack job with larger cpu set13:16
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fungiricolin: i've approved it, but keep in mind we only have one provider for those nodes, and not much quota14:30
fungiyou may end up with node_error results or builds queued indefinitely under some circumstances14:31
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openstackgerritMerged openstack/project-config master: Add ubuntu bionic and focal with xxxlarge flavor  https://review.opendev.org/c/openstack/project-config/+/77156514:42
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ricolinfungi, thanks for the heads up14:48
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fungiyw14:51
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amoralejfungi, who may help with https://review.opendev.org/c/zuul/zuul-jobs/+/771105/2 and https://review.opendev.org/c/zuul/zuul-jobs/+/770815 ?15:13
fungiamoralej: maybe me, but i'll need to look when i get a break between meetings (in two simultaneously for most of the next 4 hours)15:13
amoralejack, thanks15:14
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fungiamoralej: so it's possible we're at the point where the gentoo images are finally updating again, i'll check. i know some fixes got merged into diskimage-builder, a release of that was tagged, we updated our nodepool image builds to pull in that new release, and those should in theory have been deployed to our servers and restarted15:36
amoralejok15:36
amoralejfungi, i retried the job some hours ago, but i'm not sure if there has been any progress since then or how close we are of having those in place15:37
fungiyeah, i'm looking to figure out whether the image builds are succeeding, if not i'll ask in #zuul for an additional reviewer on the change to temporarily stop running on it15:38
fungiprometheanfire: so it's getting a lot farther now, but still breaking: https://nb02.opendev.org/gentoo-17-0-systemd-0000164758.log "eselect python set python3.8 !!! Error: Can't load module python"15:40
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fungiamoralej: i've asked for folks in #zuul to weigh in on temporarily dropping the gentoo role tests for zuul-jobs changes15:51
amoralejack, thanks fungi15:51
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prometheanfirefungi: ya, I saw something about that, it just happened within the last day or two (app-eselect/eselect-python was removed from my system too)16:22
fungioh fun16:23
fungia never-ending source of entertainment ;)16:23
prometheanfireyep16:23
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prometheanfireso far the answer I got is that I (and others) should have paid more attention to things16:41
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prometheanfirewe can manually edit a file or manually install eselect python16:42
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prometheanfirepython order of preference may be set by python_targets in make.conf, but I'm getting confirmation on that assumption16:52
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clarkbfungi: do we need to pause the gentoo builds?16:54
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clarkb(just noticing that it is one of the images the builders are trying to build but sounds like they wn't work?)16:54
prometheanfireI think it'll need at least another dib release...16:54
prometheanfirelikely to remove 'eselect python' calls16:54
clarkblooks like they run for at least 25 minutes before failing though so it isn't in a very tight loop16:57
fungian unlike last time, it doesn't time out and leak, filling up the drive16:57
fungibut if folks do want to pause it again, https://review.opendev.org/77110416:57
clarkbI've +2'd that since it sounds like another dib release may be necessary16:58
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fungiyeah, we went ahead and merged the change in zuul-jobs to stop testing roles on it for now17:07
openstackgerritClark Boylan proposed openstack/project-config master: Revert "Revert "Revert "Temporarily stop booting nodes in inap-mtl01"""  https://review.opendev.org/c/openstack/project-config/+/77185717:09
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openstackgerritArtom Lifshitz proposed openstack/openstack-zuul-jobs master: WIP: Generate SSH keys in PEM format  https://review.opendev.org/c/openstack/openstack-zuul-jobs/+/77185817:22
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openstackgerritMerged openstack/project-config master: Revert "Revert "Revert "Temporarily stop booting nodes in inap-mtl01"""  https://review.opendev.org/c/openstack/project-config/+/77185717:42
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prometheanfirenext portage tarball time (sometime tonight) should have the eselect python dep readded (dev removed it from stable packages...)18:09
fungilonger term, should we be preinstalling it, or was that a mistake on their part?18:20
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prometheanfireit was a mistake20:56
prometheanfiredev just said they are going to keep it as a dependency of python for the forseeable future, that said, even when that future comes the dib patch I just proposed 'fixes' it20:57
fungicool21:13
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