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Posted Nick Remark
#openstack-nova - 2018-11-08
21:11:15 mriedem it's an isolation thing
21:11:39 artom OK - I just thought, if you're going to have all conductors talk to the api db, then why have a separate API db in the first place?
21:11:49 mriedem https://docs.openstack.org/nova/latest/user/cellsv2-layout.html#operations-requiring-upcalls
21:11:51 mriedem b/c dude
21:12:23 artom (Not being flippant on purpose or anything, genuinely trying to grok this)
21:13:06 mriedem b/c some things are in the api db schema like aggregates and cells, and some things are cell-specific, and we don't need to replicate that api db information across all cells
21:14:15 artom Ah, I see.
21:14:32 mriedem like cells v1 did
21:14:35 mriedem it had to sync everything
21:14:48 artom The API DB wasn't born out of a need to reduce load, it was born out of a need to keep a single source of truth for things that are common across all cells
21:14:59 artom It's the *cells DBs* that are the scalability stuff
21:15:07 mriedem yeah
21:15:36 artom Got it. Thanks :)
21:39:43 openstackgerrit Doug Hellmann proposed openstack/nova master: Cap oslo.service to 1.32.0 (temporarily) https://review.openstack.org/616591
21:39:43 openstackgerrit Doug Hellmann proposed openstack/nova master: Use SleepFixture instead of mocking _ThreadingEvent.wait https://review.openstack.org/615724
21:39:44 openstackgerrit Doug Hellmann proposed openstack/nova master: remove mocks of oslo.service private members https://review.openstack.org/616697
21:51:02 openstackgerrit Doug Hellmann proposed openstack/nova master: remove mocks of oslo.service private members https://review.openstack.org/616697
21:51:02 openstackgerrit Doug Hellmann proposed openstack/nova master: Use SleepFixture instead of mocking _ThreadingEvent.wait https://review.openstack.org/615724
21:51:14 efried melwitt, mriedem: Y'all still around to approve the new version of the oslo.service mess?
21:52:59 melwitt efried: yeah
21:53:20 melwitt the top change says merge conflict tho
21:53:20 efried melwitt: First https://review.openstack.org/616697
21:53:38 efried yeah, we're still working on the requirements bit in the middle.
21:54:08 melwitt ok. I didn't think that depends-on could cause the red "merge conflict" message
21:54:57 efried yes
21:55:10 efried which is a good thing, else we be like, "why is my damn patch stuck?"
21:56:20 melwitt TIL
21:56:55 efried except that might not be the actual problem here, sigh. Doug and I are still unwinding. But this is gonna work, so feel free to sprinkle +2s around like Halloween candy.
22:02:29 mriedem efried: on https://review.openstack.org/#/c/616697/ the only downside is the slower tests right?
22:02:46 efried melwitt: correct, immediately resolved by your patch.
22:02:53 mriedem i'm mriedem
22:03:24 efried My bad, you're both 7c starting with m and a very similar shade of green and melwitt was the last one to respond.
22:03:25 mriedem +W
22:03:36 efried thanks
22:09:32 efried oh, and I do have a fractured orbital, though my vision is supposedly fine.
22:22:00 mriedem gdi eric, you need a helmet
22:22:07 mriedem while looking up helmets, i found this https://pbs.twimg.com/media/DiAdSIWUwAEXkAg.jpg
22:22:19 mriedem looks like jerry rice in there
22:26:24 openstackgerrit Jack Ding proposed openstack/nova master: Change align_size to 4096 to support 4Kn drives https://review.openstack.org/616701
22:44:16 openstackgerrit Merged openstack/nova master: remove mocks of oslo.service private members https://review.openstack.org/616697
23:32:33 openstackgerrit Eric Fried proposed openstack/nova master: SIGHUP n-cpu to refresh provider tree cache https://review.openstack.org/615646
23:32:34 openstackgerrit Eric Fried proposed openstack/nova master: Reduce calls to placement from _ensure https://review.openstack.org/615677
23:32:34 openstackgerrit Eric Fried proposed openstack/nova master: Consolidate inventory refresh https://review.openstack.org/615695
23:32:35 openstackgerrit Eric Fried proposed openstack/nova master: Commonize _update code path https://review.openstack.org/615705
23:32:35 openstackgerrit Eric Fried proposed openstack/nova master: Turn off rp association refresh in nova-next https://review.openstack.org/616033
23:33:28 openstackgerrit Eric Fried proposed openstack/nova master: SIGHUP n-cpu to refresh provider tree cache https://review.openstack.org/615646
23:33:29 openstackgerrit Eric Fried proposed openstack/nova master: Reduce calls to placement from _ensure https://review.openstack.org/615677
23:33:29 openstackgerrit Eric Fried proposed openstack/nova master: Consolidate inventory refresh https://review.openstack.org/615695
23:33:30 openstackgerrit Eric Fried proposed openstack/nova master: Commonize _update code path https://review.openstack.org/615705
23:33:30 openstackgerrit Eric Fried proposed openstack/nova master: Turn off rp association refresh in nova-next https://review.openstack.org/616033
#openstack-nova - 2018-11-09
01:32:48 openstackgerrit Takashi NATSUME proposed openstack/nova master: Add description of custom resource classes https://review.openstack.org/616721
01:50:27 openstackgerrit Takashi NATSUME proposed openstack/nova master: Fix a help string in nova-manage https://review.openstack.org/616723
01:53:52 openstackgerrit Merged openstack/nova master: Harden placement init under wsgi https://review.openstack.org/610034
03:09:04 openstackgerrit Merged openstack/nova master: Use SleepFixture instead of mocking _ThreadingEvent.wait https://review.openstack.org/615724
03:18:41 openstackgerrit 98k proposed openstack/os-traits master: Add python 3.6 unit test job https://review.openstack.org/616749
07:13:26 openstackgerrit Takashi NATSUME proposed openstack/nova master: Fix server query examples https://review.openstack.org/616834
07:20:16 openstackgerrit Takashi NATSUME proposed openstack/nova master: Remove mox in unit/network/test_neutronv2.py (6) https://review.openstack.org/574113
07:20:30 openstackgerrit Takashi NATSUME proposed openstack/nova master: Remove mox in unit/network/test_neutronv2.py (7) https://review.openstack.org/574974
07:20:49 openstackgerrit Takashi NATSUME proposed openstack/nova master: Remove mox in unit/network/test_neutronv2.py (8) https://review.openstack.org/575311
07:52:57 openstackgerrit Brin Zhang proposed openstack/nova-specs master: Support admin to specify project to create snapshot https://review.openstack.org/616843
07:57:37 gibi melwitt: I think there is only one patch left from use-nested-allocation-candidates that handles allocations that only use nested RPs and not the root RP https://review.openstack.org/#/c/608298/
07:58:41 gibi melwitt: that happen to be lower prio to me as that does not needed for GPU and Bandwidth work. It would be needed for the NUMA work though
08:01:15 gibi melwitt: so I think we can pull use-nested-allocation-candidates from runway
08:03:59 gibi melwitt: I did pull that from the runway now on the etherpad
08:05:03 melwitt gibi: got it, thank you. great work on all of that btw. it is exciting
08:06:33 openstackgerrit Jeffrey Zhang proposed openstack/nova master: Add feature to flatten the volume from glance image snapshort https://review.openstack.org/616461
08:07:46 gibi melwitt: thanks for looking at the bandwidth patches. It was motivating for me to see them moving forward.
08:08:45 gibi melwitt: this week I finally resumed to work on that series
08:08:53 melwitt np, it is really cool to see it all coming together now
10:30:39 openstackgerrit zhouxinyong proposed openstack/nova master: delete unavailable links https://review.openstack.org/616870
10:31:03 openstackgerrit Surya Seetharaman proposed openstack/nova master: Make _instances_cores_ram_count() be smart about cells https://review.openstack.org/569055
10:32:44 openstackgerrit Surya Seetharaman proposed openstack/nova master: Make _instances_cores_ram_count() be smart about cells https://review.openstack.org/569055
10:52:35 openstackgerrit zhouxinyong proposed openstack/nova master: delete unavailable links https://review.openstack.org/616870
13:08:10 openstackgerrit zhouxinyong proposed openstack/nova master: modify the avaliable link https://review.openstack.org/616905
13:26:49 openstackgerrit Lee Yarwood proposed openstack/nova master: DNM WIP zuul: Add a lioadm based multiattach job https://review.openstack.org/616916
14:18:42 openstackgerrit Balazs Gibizer proposed openstack/nova master: Calculate port_id rp_uuid mapping for binding https://review.openstack.org/616239
14:18:43 openstackgerrit Balazs Gibizer proposed openstack/nova master: Pass allocations and traits to neturonv2 api https://review.openstack.org/616240
14:18:44 openstackgerrit Balazs Gibizer proposed openstack/nova master: Send RP uuid in the port binding https://review.openstack.org/569459
14:18:44 openstackgerrit Balazs Gibizer proposed openstack/nova master: Test boot with more ports with bandwidth request https://review.openstack.org/573317
14:18:45 openstackgerrit Ivaylo Mitev proposed openstack/nova master: VMware: Attach volumes using adapter type from instance https://review.openstack.org/616599
14:19:32 openstackgerrit Matt Riedemann proposed openstack/nova master: libvirt: change "Ignoring supplied device name" warning to info https://review.openstack.org/616952
15:43:00 mriedem aspiers: done https://review.openstack.org/#/c/609779/
15:43:15 mriedem i'm really not thrilled at the amount of technical debt we'll be taking on if we add this
15:43:18 mriedem but such is life i suppose
15:43:44 mriedem by technical debt i mean "oh i can create and destroy a sev-enabled vm, but that's all i can do with it"
15:45:07 openstackgerrit Jack Ding proposed openstack/nova master: Add cache=none option for qemu-img convert https://review.openstack.org/616692
15:50:47 spatel sean-k-mooney: Howdy!!!
15:50:50 spatel Morning
15:50:52 spatel https://bugs.launchpad.net/nova/+bug/1792763
15:50:52 openstack Launchpad bug 1792763 in OpenStack Compute (nova) "tap TX packet drops during high cpu load " [Undecided,Invalid]
15:51:34 spatel Yes this could be resolved or close.. because its design question ( i won't say its BUG )
15:53:39 sean-k-mooney ya the drops you were seeing were a limitation of linux bridge as you said so this is not something nova can fix
15:54:41 sean-k-mooney spatel: the kernel can only handel about 1.4mpps on a 3.4GHz cpu and generally its less then that
15:54:50 sean-k-mooney once you exceed that level you get drops.
15:55:51 spatel In my test after 50kpps i was seeing TX drop on tap interface
15:56:33 spatel I think this is issue of tap interface design, it run on kernel space which is overhead on kernel
15:56:42 spatel virtio i meant
15:56:48 sean-k-mooney to get to 1.4 you need kernel ovs with kernel vhost module to acclerate it
15:57:22 sean-k-mooney spatel: yes so its not something openstack can remedy
15:57:33 spatel ++

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