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Posted Nick Remark
#openstack-nova - 2019-06-11
16:42:10 efried s/check extra_specs/check the allocation/ but otherwise, ja, genau
16:44:11 openstackgerrit Lee Yarwood proposed openstack/nova master: libvirt: flatten rbd images when unshelving an instance https://review.opendev.org/457886
16:49:06 aspiers efried: OK thanks, I guess that will become self-evident when I look into how to check allocations
16:49:51 efried aspiers: Well, I would rather you check the allocations rather than duplicating the logic you just put in your request filter to check and validate the flavor & image
16:50:12 efried The allocations are passed to spawn. They're just a dict. See the placement API reference for the format.
16:50:26 aspiers Cool, thanks!
16:50:54 aspiers I'm beginning to feel that this is nearing code-completion and maybe can be added to the runway queue soon
16:51:00 efried yup
16:51:15 aspiers I do want to test the whole series on real SEV hardware first though
16:51:48 aspiers (which I have available to me right now)
16:58:05 efried dustinc: sdk release 0.31.0 is in u-c now, so I'd like to respin the series to bump that and fix up that other thing we talked about yesterday. Let me know when you're clear of local edits.
17:44:22 dustinc efried: Hmm...might be a bit, go for it and I can deal with merging my local edits
18:03:16 spatel sean-k-mooney: any idea about this setting https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1724614 ?
18:03:17 openstack Launchpad bug 1724614 in linux (Ubuntu) "[KVM] Lower the default for halt_poll_ns to 200000 ns" [Medium,Triaged]
18:03:59 spatel i have default value but i heard it gives good boost to CPU if you play with this setting
18:05:24 mriedem efried: do we have a bug for the test_check_doubled_words py27 failures?
18:09:41 sean-k-mooney spatel: i have not had experience with tweaking that specific tunable in the past.
18:10:35 spatel even i am running in default, i heard from someone but may be its application specific.
18:10:43 sean-k-mooney spatel: i would proably try to find some infomation on it form nfv/hpc tuning guide but there are man paramaters that can be tweaked not all of which will help for all workloads
18:11:01 spatel +1
18:11:53 spatel but i am seeing sometime my ksm cpu usage going high on compute node
18:12:10 spatel [ksmd]
18:12:29 sean-k-mooney you proably want to read this https://www.kernel.org/doc/Documentation/virtual/kvm/halt-polling.txt
18:17:56 sean-k-mooney spatel: ibm seam to be recommendign a value fo 80000 ns based on https://www.ibm.com/support/knowledgecenter/en/linuxonibm/liaag/wkvm/wkvm_c_tune_kvm.htm but this seams to be a tradeoff between powersavings and latency which translated to higher throughput at the cost of cpu efficenty
18:19:51 spatel it seem that setting will schedule in very less time which increase power usage
18:20:29 spatel anyway i am not going to change until i have solid reason to do
18:37:06 mriedem coreycb: is this the right change log to be looking at for ubuntu bionic py27? http://changelogs.ubuntu.com/changelogs/pool/main/p/python2.7/python2.7_2.7.15~rc1-1ubuntu0.1/changelog
18:38:34 mriedem efried: https://bugs.launchpad.net/nova/+bug/1832392
18:38:35 openstack Launchpad bug 1832392 in OpenStack Compute (nova) "nova.tests.unit.test_hacking.HackingTestCase.test_check_doubled_words failing in py27 jobs since June 10" [High,Confirmed]
18:40:04 efried mriedem: Tracking it against bug/1804062
18:40:16 efried mriedem: https://review.opendev.org/664622 is merging to disable the test
18:40:32 coreycb mriedem: that is the latest update for the bionic-security pocket but bionic-updates is more recent. you can see the versions here: https://launchpad.net/ubuntu/+source/python2.7
18:40:42 efried mriedem: and stephenfin is working on a patch to pycodestyle to get closer to fixing the core issue.
18:41:54 mriedem coreycb: ah ok here is the june 10 change then https://launchpad.net/ubuntu/+source/python2.7/2.7.15-4ubuntu4~18.04
18:43:41 coreycb mriedem: yep
18:44:38 openstackgerrit Artom Lifshitz proposed openstack/nova master: WIP: Include direct-physical in compute manager events check https://review.opendev.org/664431
18:44:38 openstackgerrit Artom Lifshitz proposed openstack/nova master: WIP: Revert resize: wait for events according to hybrid plug https://review.opendev.org/644881
18:45:00 openstackgerrit Artom Lifshitz proposed openstack/nova master: [DNM] testing bug/1813789 revert resize events https://review.opendev.org/664442
18:46:27 openstackgerrit Artom Lifshitz proposed openstack/nova master: Revert resize: wait for events according to hybrid plug https://review.opendev.org/644881
18:46:28 openstackgerrit Artom Lifshitz proposed openstack/nova master: [DNM] testing bug/1813789 revert resize events https://review.opendev.org/664442
18:46:28 openstackgerrit Artom Lifshitz proposed openstack/nova master: WIP: Include direct-physical in compute manager events check https://review.opendev.org/664431
18:46:35 artom Fscked up my rebases
18:48:02 mriedem ok so probably no point in rechecking anything
18:48:24 mriedem or working on nova for a few days...
18:49:31 openstackgerrit Matt Riedemann proposed openstack/nova master: Refresh instance network info on deletion https://review.opendev.org/660761
19:03:06 openstackgerrit Adam Spiers proposed openstack/nova master: Add extra spec parameter and image property for memory encryption https://review.opendev.org/664420
19:03:16 aspiers efried: there ya go ^^^
19:03:21 openstackgerrit Takashi NATSUME proposed openstack/nova master: Fix default values in update_cell command https://review.opendev.org/662383
19:04:26 aspiers artom: reflog is your friend ;-)
19:04:54 artom aspiers, wasn't that bad
19:05:12 artom If I need reflog then I've really messed up
19:05:56 aspiers hehe
19:06:05 aspiers Oh I dunno, it can be a real handy shortcut sometimes
19:07:57 artom I'm off to the gym, during the day, for a change, while Zuul runs
19:09:51 efried mriedem: Once that bypass merges, which should hopefully happen pdq (test-only patches don't run tempest/dsvm stuff, right?) you can recheck the world.
19:13:12 mriedem dansmith: would you see a use for a weigher config option for the vgpu/numa affinity weigher in sylvain's spec? https://review.opendev.org/#/c/650963/
19:13:21 mriedem since we have config options to control all other weighers
19:13:38 dansmith just in general? I mean, I would expect all weighers to be controllable like that
19:13:48 mriedem in general yes
19:14:02 dansmith unless it was something SUPER airtight like the failed computes weigher
19:15:13 dansmith dude
19:15:20 dansmith you should have snipped that last line
19:15:43 mriedem ha
19:16:08 mriedem sorry
19:16:27 mriedem also not sure what he's proposing for the claim stuff,
19:16:52 mriedem normally if we were to link up the scheduler to some RT claim, we'd use the limits so that if you disable the filter we don't claim on those limits in the RT,
19:17:11 mriedem but with this, it sounds like the compute would always just pull the VGPU allocations and pass those onto the claim
19:19:17 dansmith erm
19:20:40 dansmith is this really adding new claims to the RT?
19:20:45 mriedem it says it is
19:21:05 mriedem https://review.opendev.org/#/c/650963/7/specs/train/approved/libvirt-vgpu-numa-affinity.rst@99
19:21:21 dansmith yeah, that's the line I'm wondering about
19:29:28 melwitt does anyone know if the failed_builds count is exposed out of the REST API at all?
19:32:01 mriedem melwitt: it's not
19:32:16 melwitt danke
19:32:37 mriedem it's shoved into compute_nodes.stats which is a json blob in the db
19:33:34 melwitt ah ok, I was wondering about that too. I found the nova/compute/stats.py file and didn't know how it's used. thanks
19:34:14 Nick_A Is there a way to take online snapshots of lxd containers?
19:34:44 mriedem Nick_A: you should ask the lxd devs in #lxcontainers
19:34:52 mriedem https://github.com/openstack/nova-lxd#support-and-discussions
19:34:52 Nick_A thank you
20:11:04 efried dustinc: gonna do that now, mkay?
20:11:20 dustinc 👍
20:23:31 openstackgerrit Eric Fried proposed openstack/nova master: Introduces SDK to IronicDriver and uses for node.get https://review.opendev.org/642899
20:23:31 openstackgerrit Eric Fried proposed openstack/nova master: Introduces the openstacksdk to nova https://review.opendev.org/643664
20:23:32 openstackgerrit Eric Fried proposed openstack/nova master: Use SDK instead of ironicclient for validating instance and node https://review.opendev.org/656028
20:23:32 openstackgerrit Eric Fried proposed openstack/nova master: Use SDK instead of ironicclient for node.list https://review.opendev.org/656027
20:23:33 openstackgerrit Eric Fried proposed openstack/nova master: WIP: Use SDK instead of ironicclient for add/remove instance info from node https://review.opendev.org/659691
20:23:33 openstackgerrit Eric Fried proposed openstack/nova master: Use SDK instead of ironicclient for setting instance id https://review.opendev.org/659690
20:23:39 openstackgerrit Eric Fried proposed openstack/nova master: Use OpenStack SDK for placement https://review.opendev.org/656023
20:23:50 efried dustinc: ^
20:44:56 efried f f f f. bug 1823251 hit https://review.opendev.org/#/c/664622/ after sitting in the queue for 5h.
20:44:57 openstack 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] https://launchpad.net/bugs/1823251
20:46:22 openstackgerrit Matt Riedemann proposed openstack/nova stable/rocky: [ironic] Don't remove instance info twice in destroy https://review.opendev.org/662584
20:47:31 sean-k-mooney efried: is the 5 hour lag just a general issue with the gate being slow or is it related
20:48:07 efried sean-k-mooney: I'm sure it's just because we had a couple dozen patches in the queue (all of which failed on that issue of course) so that one got pushed.
20:51:08 mordred efried: ooh - and you've got the ironicclient patches too - that's so cool
20:51:37 efried mordred: Yes, dustinc has been working on those. I'm not sure how done he is (percentage-wise) - dustinc?
20:51:55 sean-k-mooney i have a ptach queue in neutron for a little over 2 and a half hours without it starting so i think the gate is slow to start jobs currently in general
20:52:21 efried mordred: I'm pretty sure we're going to need some feature parity for ironic in sdk before we can be all the way complete there, but fortunately dtantsur|afk knows his sdk AND his ironic :)

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