Friday, 2016-09-02

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mriedemoh snap it merged00:15
mriedemdansmith: not yet no00:15
mriedemthe placement job is in the experimental queue in devstack btw00:15
mriedemif you want to test that change00:15
openstackgerritOpenStack Proposal Bot proposed openstack/nova: Updated from global requirements  https://review.openstack.org/36387100:15
dansmithyeah, but it should be good since we're healing ever couple minutes00:15
dansmithnot worried00:15
dansmithmerged -> woot00:15
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dansmithmriedem: see my devstack change and explanation?00:17
mriedemdansmith: yeah00:17
mriedemi just checked it for the placement job00:17
mriedem# NOTE(danms): LOL @ py300:18
mriedemnice00:18
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mriedemok i don't see anything else we need to wait for, there are 2 changes in the check queue for nova00:19
mriedemi'm going to tag it and bag it00:19
dansmithcool00:19
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mriedembooya https://review.openstack.org/#/c/364600/00:22
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dansmithstill getting those vcpu warnings with 4x overcommit, not sure why00:28
dansmithwonder if the allocation code isn't honoring those00:28
dansmithhmm, seems like it is00:31
dansmithoh well, I'll poke tomorrow00:31
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openstackgerritliuxiuli proposed openstack/nova: Modify workflow of rebuild_instance when schedule fails  https://review.openstack.org/34811100:44
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openstackgerritliuxiuli proposed openstack/nova: Modify request numa_topology when resize  https://review.openstack.org/34027000:44
openstackgerritzhufl proposed openstack/nova: Remove unused conf  https://review.openstack.org/36403100:45
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openstackgerritTakashi NATSUME proposed openstack/nova: Treat 'body_map' as a mapping of HTTP request bodies  https://review.openstack.org/36345701:25
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openstackgerritEric Brown proposed openstack/nova: Update man pages with latest version and dates  https://review.openstack.org/32544102:21
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openstackgerritEric Brown proposed openstack/nova: VMware: deprecate wsdl_location conf option  https://review.openstack.org/34247003:10
openstackgerritEric Brown proposed openstack/nova: VMware: deprecate wsdl_location conf option  https://review.openstack.org/34247003:12
openstackgerritBin Zhou proposed openstack/python-novaclient: Modify use of assertTrue(A in B)  https://review.openstack.org/36463703:13
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openstackgerritTakashi NATSUME proposed openstack/nova: Enable cold migration with target host  https://review.openstack.org/35710504:02
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-openstackstatus- NOTICE: The logs volume is full causing jobs to fail with POST_FAILURE. This is being worked on, please do not recheck until notified.05:09
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*** ChanServ changes topic to "This channel is for Nova development. For support of Nova deployments, please use #openstack. Please see: https://wiki.openstack.org/wiki/Nova/Newton_Release_Schedule"05:35
-openstackstatus- NOTICE: Space has been freed up on the log server. If you have POST_FAILURE results it is now safe to issue a 'recheck'05:36
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openstackgerritSlawek Kaplonski proposed openstack/nova: Fix race condition bug during live_snapshot  https://review.openstack.org/36392606:27
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openstackgerritHussain Chachuliya proposed openstack/nova: Refactor: Move post method to APIValidationTestCase base class  https://review.openstack.org/36468706:45
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openstackgerritTomonobu Niwa proposed openstack/nova: incorrect description in nova-api.log about quota check  https://review.openstack.org/36469807:06
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openstackgerritHussain Chachuliya proposed openstack/nova: Refactor: Move post method to APIValidationTestCase base class  https://review.openstack.org/36468707:19
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openstackgerritBalazs Gibizer proposed openstack/nova: Removed enum duplication from nova.compute  https://review.openstack.org/33506607:30
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hussain_cjaypipes, alaski: Hi, could you please take a look at this small code optimization patch? https://review.openstack.org/#/c/364687/07:43
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openstackgerritTomonobu Niwa proposed openstack/nova: incorrect description in nova-api.log about quota check  https://review.openstack.org/36469808:01
openstackgerritJiWei proposed openstack/nova: 'unmap' is written without considering the configuration  https://review.openstack.org/36412208:01
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openstackgerrityuanyue proposed openstack/nova: Fix incorrect debug information about quota check  https://review.openstack.org/36475208:21
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openstackgerritClaudiu Belu proposed openstack/nova: numa: Fixes NUMA topology related unit tests  https://review.openstack.org/27883508:42
openstackgerritClaudiu Belu proposed openstack/nova: Fixes python 3 unit tests  https://review.openstack.org/27881008:42
openstackgerritClaudiu Belu proposed openstack/nova: compute: fixes python 3 related unit tests  https://review.openstack.org/30026208:42
openstackgerritChris Dent proposed openstack/nova: Optional separate database for placement API  https://review.openstack.org/36276608:44
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snikitin_Hi folks! I have a one question. Is it possible to backport bug fix which adds some new fields to nova object. This fix doesn't change API or rpc. just nova object. https://review.openstack.org/#/c/307124/21/nova/objects/migration_context.py08:56
snikitin_?08:57
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cdentsnikitin_: I'm not expert on that stuff, but adding fields would require a version change on the object which I guess make it undesirable as a backport08:59
openstackgerritChris Dent proposed openstack/nova: Add {get_,set_}aggregates to objects.ResourceProvider  https://review.openstack.org/35526308:59
openstackgerritChris Dent proposed openstack/nova: Implement get and set aggregates in the placement API  https://review.openstack.org/35799308:59
openstackgerritChris Dent proposed openstack/nova: [placement] add a placement_aggregates table to api_db  https://review.openstack.org/36286308:59
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prateekjohnthetubaguy, can you please review https://review.openstack.org/#/c/294513/ when you have some free time ?09:03
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openstackgerritStephen Finucane proposed openstack/nova-specs: Reserve NUMA nodes with PCI devices attached  https://review.openstack.org/36446809:41
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openstackgerritOpenStack Proposal Bot proposed openstack/nova: Updated from global requirements  https://review.openstack.org/36387109:59
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openstackgerritDavanum Srinivas (dims) proposed openstack/nova: [WIP] Testing latest u-c  https://review.openstack.org/30334510:10
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openstackgerritKrzysztof ÅšwiÄ…tek proposed openstack/nova: Fix issue with not removing rbd rescue disk  https://review.openstack.org/31492810:15
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kswiateksdague, pkoniszewski, melwitt, mdbooth, could you review: https://review.openstack.org/#/c/314928/10:18
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kswiatekand I have question, I heard if I add specfic tags (related to review), it will speed up a little bit searching this review, and so reviewing process. If it's true what tags I can add? :)10:20
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openstackgerritStephen Finucane proposed openstack/nova: Forcing a configdrive in cfg should populate DB  https://review.openstack.org/36481410:23
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mdboothkashyap: https://bugs.launchpad.net/nova/+bug/161960610:31
openstackLaunchpad bug 1619606 in OpenStack Compute (nova) "snapshot_volume_backed races, could result in data corruption" [Undecided,New]10:31
* kashyap clicks10:32
kashyapmdbooth: Speaking of races, another fun "race" -- https://review.openstack.org/#/c/363926/3  "Fix race condition bug during live_snapshot"10:32
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mdboothkashyap: Fun!10:34
kashyapI did a write-up to libvirt upstream, and they agreed it's a valid bug10:34
openstackgerritGábor Antal proposed openstack/nova: Throw exception if hw:numa_nodes is set to 0  https://review.openstack.org/33738010:34
mdboothkashyap: I don't understand how that patch fixes it, though10:34
kashyapSee Eric's (as usual, eloquent) response to my question and context -- http://www.redhat.com/archives/libvir-list/2016-September/msg00011.html10:34
mdboothIf libvirt returns 0, then presumably 'cur/end' are still in the returned status, but with values of 010:35
mdboothSo setting a default of -1 isn't going to be effective, right?10:35
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kashyapmdbooth: Setting a default of "-1" means10:35
kashyapDon't complete the job yet10:36
* mdbooth should look at the caller10:36
kashyapI.e. to finish the blockRebase() operation10:36
kashyapLibvirt issues blockJobAbort(), too soon10:36
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kashyapHere, "too soon" == before QEMU reports the status as "ready": true10:37
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kashyapIf you have time, this walkthrough of the libvirt <-> QEMU traffic clearly demonstrates it -- https://bugs.launchpad.net/nova/+bug/1530275/comments/1610:37
openstackLaunchpad bug 1530275 in OpenStack Compute (nova) "Live snapshot is corrupted (possibly race condition?)" [Undecided,In progress] - Assigned to Slawek Kaplonski (slaweq)10:37
* mdbooth notes that wait_for_job doesn't do any waiting :/10:37
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mdboothAh... there are 2 methods called get_job_info10:40
kashyapmdbooth: Yeah, too many wrappers :-(10:41
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openstackgerritLucian Petrut proposed openstack/nova: HyperV: ensure config drives are copied as well during resizes  https://review.openstack.org/36482910:43
mdboothkashyap: So if the job hasn't started yet, end ==0, and cur is not set?10:43
kashyapmdbooth: No:10:44
kashyapmdbooth: "If qemu doesn't report anything (because the job is not started yet), then libvirt should report cur=0, end=1 (the job still has 100% to go)."10:44
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kashyapThere are 6 possible scenarios here.  Eric outlines potential way to address them in the above thread.10:45
* mdbooth reads eric's mail10:45
openstackgerritSlawek Kaplonski proposed openstack/nova: Fix race condition bug during live_snapshot  https://review.openstack.org/36392610:50
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kashyapmdbooth: While reading, Eric made a little typo there, wherever you see "done" in quotes, replace it with "ready", that's what QEMU calls that string as.10:54
mdboothkashyap: Can you think of a case where end might legitimately be zero?10:55
mdboothA zero-sized block device?10:55
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kashyapmdbooth: Yeah, that could possibly one case.  But what would one do with a zero-size block device?  (Stashed it to populate it with contents later?)10:56
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mdboothEric describes a future where libvirt returns cur != end, but right now cur=0, end=0 is theoretically ambiguous, right?10:56
* kashyap thinks a bit more...10:56
mdboothIf end was really 0, and this signalled completion, then we'd hang forever10:57
kashyapmdbooth: Yes, indeed it is ambigious, as it stands.10:57
mdboothBut we could potentially work round that elsewhere10:57
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kashyapIf the job hasn't started, QEMU reports cur == end == 0, which can make Nova think: "Oh, the job seems to be completed, let's abort it"10:58
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* kashyap 's brain hurts thinking of all these cases.10:58
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johnthetubaguyraj_singh: do you know if anyway is looking at updating the compute conf reference dock thing?11:06
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openstackgerritliuxiuli proposed openstack/nova: Modify request numa_topology when resize  https://review.openstack.org/34027011:08
johnthetubaguyHmm, bummer, net splitting again11:08
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cdentp!spy 211:44
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csatariI would like to ask for help with api_sample_tests.12:03
csatariI woudld like to test a new microversion, let say 2.3912:03
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csatariI've created a v2.39 directory under .../servers12:04
csatariand added the relevant .json.tpl files.12:04
csatariWhen I run the testcase I get the following error:12:05
csatariNo such file or directory: '/run/media/csatari/MyVolume/work/OpenStack/nova/nova/doc/api_samples/servers/v2.39/servers-list-resp.json12:05
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csatariHowever I have a servers-list.resp.tpl there.12:06
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openstackgerritBreno Leitão proposed openstack/nova: libvirt: add hugepages support for Power  https://review.openstack.org/30356412:11
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gibisyjulian: hi! finally I managed to write up the json schema bp for nova for ocata https://blueprints.launchpad.net/nova/+spec/json-schema-for-versioned-notifications12:29
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mriedemthis is holding up another change on stable/mitaka, can someone take a look at this backport? https://review.openstack.org/#/c/357566/13:17
bauwsermriedem: on it, but only +1ing :)13:19
mriedemit's the thought that counts13:19
bauwserthe 3rd-party CI is green and the change looks reasonable, so I don't expect too much of debate here :)13:20
openstackgerritAlberto Planas proposed openstack/nova: Add migrate_uri for invoking the migration  https://review.openstack.org/35655813:22
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mdboothmriedem bauwser: Incidentally, I filed this bug earlier today: https://bugs.launchpad.net/nova/+bug/161960613:23
openstackLaunchpad bug 1619606 in OpenStack Compute (nova) "snapshot_volume_backed races, could result in data corruption" [Undecided,New]13:23
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mdboothIt might interact with this.13:23
mriedemwell, if we set a task state in the api then the 2nd volume-backed snapshot shouldn't get in right?13:25
mdboothmriedem: Right.13:26
mdboothI think it's a 'simple' fix13:26
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mdboothIn a, it-sounds-simple-but-the-potential-interactions-are-really-scary kind of way13:26
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mdboothmriedem: Unless you were asking if snapshot_volume_backed() is called by snapshot(), and it's all therefore ok?13:29
mdboothIf so, weirdly not.13:29
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mriedemnope13:30
mdboothAlthough I think that would be the cleanest fix. Push the is_volume_backed test into snapshot() and have it call the correct implementation after setting a task state13:31
openstackgerritMarkus Zoeller (markus_z) proposed openstack/nova: WIP: live-migration test hook for serial console  https://review.openstack.org/34747113:31
openstackgerritMarkus Zoeller (markus_z) proposed openstack/nova: libvirt: Acquire TCP ports for console during live migration  https://review.openstack.org/27580113:31
openstackgerritMarkus Zoeller (markus_z) proposed openstack/nova: libvirt: fix live-migration with serial console check  https://review.openstack.org/33513213:31
openstackgerritMarkus Zoeller (markus_z) proposed openstack/nova: Add functional regression test for bug 1595962  https://review.openstack.org/33841613:32
openstackbug 1595962 in OpenStack Compute (nova) "live migration with disabled vnc/spice not possible" [Undecided,In progress] https://launchpad.net/bugs/1595962 - Assigned to Markus Zoeller (markus_z) (mzoeller)13:32
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dansmithcdent: see my reply to your "what we know" email13:37
* cdent waits for delivery13:37
cdentah, there it is, reading13:38
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cdentdansmith: so are you thinking the problem is not in the writing of the allocations, but rather that the scheduler is being "wrong" and we've exposed that problem as a result of the allocation handling? Or, that we're not doing allocation ratio properly in the placement api?13:39
markus_zmriedem: FYI: I've put the bugs for these patches on the RC blocker list: https://bugs.launchpad.net/nova/+bugs?field.tag=newton-rc-potential13:40
mriedemmarkus_z: ok13:40
dansmithcdent: could be the latter, but the scheduler is definitely not configured to care about overcommitting vcpus, so it's entirely possible that we're over that limit.. I just would have thought setting the ratio to 4.0 would clear it up13:40
dansmithcdent: I'm going to poke locally today, but thought you could look as well13:40
cdentyeah, can do13:40
mriedemmdbooth: this looks like it might be in your wheelhouse https://bugs.launchpad.net/nova/+bug/159752113:41
openstackLaunchpad bug 1597521 in OpenStack Compute (nova) "files should not be injected if config drive is configured" [High,In progress] - Assigned to Vladik Romanovsky (vladik-romanovsky)13:41
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mriedemmdbooth: are you still good with the patch for that bug?13:41
mdboothLooking...13:41
mdboothmriedem: Yup, still good.13:43
openstackgerritDoug Hellmann proposed openstack/python-novaclient: Update reno for stable/newton  https://review.openstack.org/36495413:43
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mriedemmdbooth: hmm, would have been nice to just fix the bug in that block of code w/o moving it all out into a separate method13:50
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mriedemmakes it hard to identify what the actual fix is13:50
mriedemthe refactor should have come on top separately13:50
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cdentdansmith: a thing I'm noticing just now while watching the logs is that when I create a server it immediately puts the allocations and then puts inventories three times13:51
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cdentwhich is a bit more than I would have expected, even given that we are being promiscuous13:52
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mriedemah i see rpodolyaka said the same thing13:54
dansmithcdent: I think it's because of the generation conflicts.. it tries to optimistically calculate the next generation when it does one inventory13:54
mriedemdon't mingle refactors with bug fixes13:54
dansmithcdent: when I wrote that I didn't realize we'd be bumping it during allocation too13:54
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dansmithcdent: I'm stacking now with all current stuff, in a bit I'll see if I see that pattern exactly too13:55
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cdentI'm only seeing 200 status, no 409, which is what would be required if it was generation conflict?13:55
* cdent checks the logging code13:55
dansmithoh?13:56
cdentgrep PUT placement-api.log |grep inventories |grep -v 'status: 200' has a null result13:57
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dansmithI'm just now building a devstack with the logging fixes so I haven't see any of that yet13:57
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mdboothmriedem: Also sfinucan and I both agreed :)13:58
mdboothHowever, I don't have a code fairy and the job's already done13:58
mdboothSo I wasn't bothered enough for a -113:59
* cdent experiments som more13:59
mriedemwhat would a code fairy do?13:59
mdboothThe code fairy would split it in 2 and get 4 +2s instead of 213:59
mriedemi think it's just bad practice, refactors shouldn't be mixed in with bug fixes13:59
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dansmithcdent: we're putting three inventories but in one go.. any chance the logging code is improperly counting that as three requests?14:00
mriedembecause it's harder to review and could lead to introducing new bugs14:00
dansmithcdent: like if the one target calls the other targets for the list?14:00
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cdentthis is supposed to be per request logging14:00
dansmithwell, I know14:00
dansmithjust brainstorming :)14:00
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cfriesenquestion for the microversion folks...if we were to change the accounting of hypervisor vcpus_used for SMT hosts when instances use the ISOLATE cpu thread policy, would that require a microversion bump since it's user-visible behaviour change?14:01
cdentdansmith: the logging's not right, it is only recording success14:01
cdenti'll figure out how to fix and send up a patch14:02
dansmithah14:02
cdenthow, the fact that it is getting three successul puts is still true14:02
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bauwserdansmith: so, when you say the scheduler doesn't use the CoreFilter, you mean the job ?14:04
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dansmithbauwser: yeah14:05
bauwserI'm surprised tho14:05
bauwserbecause I thought CoreFilter was a default one14:05
dansmithbauwser: dunno, but we override the list14:05
bauwseroh snap...14:05
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dansmithbauwser: also, I want to run mine locally and make sure that my database is getting the value from the config, because we set the allocation ratio from the config on the compute node, and then use the compute node to inform the placement request14:06
cdentdansmith: ah, worse than I thought, it is logging success (200) when it's not success. this will require some fairly extensive jiggery pokery. so for the time being I wouldn't rely on the logged web requests at all, just go with the logs that the resource tracker is doing14:06
bauwserdansmith: I need to update my devstack14:06
bauwserand I'll see14:06
dansmithcdent: lol, okay14:07
dansmithcdent: well, the vcpu over cap thing is from the RT anyway14:07
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dansmithahh14:15
dansmithbauwser: I forgot about how 0.0 means 16.0 for cpu_allocation :)14:15
dansmithso, I'm sure we're not over 4*16 cpus14:16
bauwser0.0 signals "read the config"14:16
dansmithwhich means something must be actually wrong14:16
dansmithbauwser: NOTE: This can be set per-compute, or if set to 0.0, the value14:16
dansmithset on the scheduler node(s) or compute node(s) will be used14:16
dansmithand defaulted to 16.0'.14:16
dansmithoh wait wait14:16
dansmiththat's ram huh14:16
bauwserdansmith: ram ratio is 1.514:16
bauwserdansmith: but I need to understand more the issue14:16
bauwserdansmith: do you have some trace I could look14:17
dansmithbauwser: https://github.com/openstack/nova/blob/master/nova/conf/compute.py#L20714:17
dansmithno trace14:17
bauwserbecause I have hard time figuring out what is the problem14:17
rpodolyakajroll: hey! could you please take a look at https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:bug/1606496 when you have a minute?14:17
dansmithyeah, so 16 is for cpu14:17
bauwser(and running a meeting atm makes me kinda off)14:17
dansmithconf is hard to read14:17
bauwser16 is default for cpu, 1.5 for ram and 1.0 for disk14:17
jrollrpodolyaka: yes, still on my list, will do it today :)14:18
rpodolyakajroll: thank you!14:18
dansmithbauwser: right, that's what I said above14:18
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dansmithcdent: yeah, so anyway, allocation ratio is 16.0 for cpu in my database by default, and 4 vcpus on the gate workers, so we really shouldn't be overcommitted14:19
dansmithcdent: so something is up in that allocation calculation14:19
cdentdansmith: yeah. I've become distracted by this logging thing so haven't had a chance to look in any detail yet14:20
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mriedemdansmith: are you going to openstack days seattle?14:26
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dansmithmriedem: wasn't planning on it14:26
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mriedemdiablo_rojo: yo14:29
mriedemso,14:29
mriedemdiablo_rojo: auggy is in portland14:30
mriedemand is the nova mentoring person14:30
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mriedemdiablo_rojo: so if you're looking for someone to go to seattle and talk about new contributors to nova, she'd be a good it14:30
mriedem*fit14:30
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pumaranikaralex_xu, can you please check my comment on https://review.openstack.org/#/c/342299/14:30
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diablo_rojomriedem, works for me.14:31
diablo_rojoAnyone else going to be at OpenStack Days Seattle?14:31
mriedemclarkb: ^?14:31
diablo_rojoclarkb, is probably going to go. Chatted with him a bit yesterday about it.14:32
diablo_rojodansmith, will you be going to OSD Seattle?14:32
dansmithdiablo_rojo: no14:33
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diablo_rojoShoot. Okay.14:33
dansmithcdent: also, with four instances being updated every time we refresh the resource tracker, I think we never get to update inventory again because of generation clashes14:33
dansmithcdent: which we could avoid if we could look at allocations14:33
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dansmithcdent: hmm, also seem to be getting the same generation back when we re-poll the resource provider after a generation clash14:37
bauwseris it me or Gerrit is in the weeds ?14:38
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cdentdansmith: i made a bug for the logging thing, maybe you could make bugs for these things too because I'm not really able to keep track of you. Not that I want to kill the conversation, just that I worry things might get lost.14:38
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cdentOn the reading allocations thing, that's something I reckon we'll need jay involved in the conversation about. It's a bigger change than I would feel comfortable saying go on without more brains.14:39
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dansmithyeah14:39
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bauwserdansmith: cdent: worth trying to write a patch for updating allocations when migrating?14:42
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openstackgerritChris Dent proposed openstack/nova: Move placement api request logging to middleware  https://review.openstack.org/36501514:42
bauwserit's on my bag, and I feel it can be a bugfix14:42
dansmithbauwser: well, maybe, let me figure out why this is happening first before we pile more on here14:43
cdentdansmith: that ^ is logging that logs 409s (and others) properly14:43
bauwserdansmith: sorry, Gerrit is awfully slow for me today, so I'm having hard time to look at your devstack patch14:44
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dansmithbauwser: devstack patch is not needed anymore14:48
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bauwserdansmith: I'm like on dotted support given our meeting, so sorry :(14:49
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cdentdansmith: have you got a cookbook for triggering the problems? I lowered my cpu allocation ratio down low and all was cool: server creates started failing. I guess I'll raise it back up and see if I can get allocations to fail?14:51
dansmithI'm a couple levels down the rabbit hole14:52
openstackgerritTakashi NATSUME proposed openstack/nova-specs: Fix blueprints and specs link in ocata template  https://review.openstack.org/33531214:52
dansmithbut yeah, something like that14:52
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dansmithcdent: I'm definitely having some sort of issue, by the way14:53
bauwserdansmith: just to make it clear, the problem you see is because you think we don't check the allocation ratios ?14:53
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dansmithcdent: I'm polling the rp, getting the generation, then sending a new inventory with that generation, failing, sleeping 2 sec, repeat, and I get the same generation reported from the server14:54
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dansmithcdent: so I'm getting a 409 for some other reason14:54
cdentdansmith: do you have any inventory?14:54
dansmithcdent: perhaps the server refuses to let me update my inventory if it would put me into the red on capacity?14:54
dansmithcdent: you mean allocations?14:54
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cdentIs the 409 happening when you try to write allocations or inventory?14:55
dansmithcdent: inventory14:55
melwittbauwser: I'm getting 502s from gerrit too14:55
bauwsermelwitt: I reported to -infra14:56
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melwittcool, thanks14:56
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cdentdansmith: in that context a 409 can happen either when somebody else did an update (for example an allocation was written) or when the inventory you are trying to write has a logic conflict (reserved greater than total or allocation_ratio blowing things wacky)14:56
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dansmithcdent: it's not the former because the generation hasn't changed when Irepoll14:57
cdentare you logging the contents of inventory?14:58
dansmithcdent: what if I write an inventory that would mean my allocations are over budget?14:58
dansmithyes14:58
* cdent looks at the code14:58
dansmithlets hangout in a few when I get off this call14:58
bauwsercdent: we can get 409s when we exceed capacity, right?14:58
cdentbauwser: yes14:58
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dansmithbauwser: for allocations, but that's not this14:58
bauwsercdent: ie. when putting an allocation that would go over the total capacity14:59
bauwserdansmith: ah ok14:59
cdentdansmith: if allocations and allocations['usage'] > inv_record.capacity:14:59
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* bauwser is puzzled and feels frustrated by not being able to put the level of attention he should14:59
cdentso yeah, if you have allocations above the new inventory things go wrong14:59
dansmithcdent: that's a problem I think,14:59
dansmithbecause I can cause that by changing config14:59
dansmithand then the compute node would be hamstrung, if we were using this for the main path15:00
dansmithcdent: https://hangouts.google.com/call/7iyntj4ldveepnujkafit74g7ie15:00
cdentdansmith: give me couple minutes to coffee up?15:00
dansmithokay15:00
dansmithwill do the same15:00
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cdentwhile the kettle boils, if you change config, when you restart n-cpu to read that config, would/should the existing allocations get reset? and what should the failure mode be when config'd constraints and existing vms conflict (which is orthogonal to the placement api but a thing I'd like to know)?15:03
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johnthetubaguydansmith: I bet those inventories just send 0.0, I missed that15:04
dansmithjohnthetubaguy: they don't15:04
dansmithcdent: um, what?15:04
dansmithcdent: lets just talk voice as I think it'll be easier15:05
johnthetubaguysorry, I was only half way through scroll back, and send that by accieden15:05
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mriedemno instance actions recorded for a swap volume, is that a bug?15:17
mriedemit's an orchestrated thing with cinder volume migration/retype and async15:18
mriedemseems like it should have instance actions15:18
mriedemlascii: ^?15:18
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mriedemwtf is superdan?15:18
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johnthetubaguymriedem: we have loads of actions missing instance actions AFAIK15:20
johnthetubaguymriedem: there was a spec to add them, but it didn't make the deadline15:21
mriedemi know we had some approved blueprints for some random things15:21
mriedembut i might be thinking about notifications15:21
johnthetubaguypossibly, the OSIC folks could work on that kind of stuff, we just didn't get the spec approved in time15:22
-openstackstatus- NOTICE: The Gerrit service on review.openstack.org is restarting quickly to relieve resource pressure and restore normal performance15:22
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johnthetubaguywill try push on next cycle (adds it too the list)15:22
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mriedemi'm never sure how much we're trying to fill those gaps or holding off for a new thing like tasks15:24
mriedemjohnthetubaguy: was this the spec? https://review.openstack.org/#/c/256743/6/specs/newton/approved/expand-instance-actions-coverage.rst15:25
johnthetubaguymriedem: yeah, I remember the disagreement on the way forward now15:26
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cdentsuperdan, johnthetubaguy, mriedem can some of you gander at https://review.openstack.org/#/c/365015/ ? It fixes the logging on the placement api and having that as part of the current world of fixing stuff would be handy15:33
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cdentsuperdan: i'm going to base these new changes off that (so I can actually have the logs)15:33
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superdancdent: is requestlog.py roughly what sdague had added yesterday? it's a little different but hard to tell how much15:35
bauwsercdent: FWIW, I downed the priority of the bug to High given that's not impacting our existing deployments15:35
bauwserwe can't really see it's critical :/15:35
bauwsersay$15:35
cdentbauwser: thanks, I wasn't savvy to the what it means, I was mostly just clicking on things...but now I know.15:36
cdentsuperdan: what it does is the same, what's different is when it happens15:36
cdent(and that it works)15:36
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superdancdent: okay it's just structured differently15:36
cdentyes15:36
bauwsercdent: when is the logging made in the compute api ? AFAIR, that's a paste middleware, right?15:37
* bauwser checks paste.ini15:37
mriedemthis isn't in paste.ini15:38
cdentbauwser: I don't know. I did this as a fast fix becaue the existing logs were completely wrong and we needed accurate logs to diagnose today's behaviors15:38
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mriedemi'll wait for CI results of the placement job to see the different15:39
mriedem*difference15:39
mriedemso today the 404s and 409s aren't showing up, but with this they should?15:39
cdentmriedem: yes15:39
johnthetubaguyI guess they error-ed before the logs code would catch it before?15:40
mriedemhmm, i was looking for req-cd944345-4f01-487f-8a75-764e70824302 in http://logs.openstack.org/98/364498/5/check/gate-tempest-dsvm-neutron-placement-full-ubuntu-xenial-nv/acb2458/logs/apache/placement-api.txt.gz but it's not there15:41
mriedembut it is here http://logs.openstack.org/98/364498/5/check/gate-tempest-dsvm-neutron-placement-full-ubuntu-xenial-nv/acb2458/logs/screen-n-cpu.txt.gz?level=TRACE#_2016-09-01_21_43_14_60715:41
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bauwsercdent: given my devstack is still not pimped for the placement API (I need a bit more time), could you please verify whether all of that isn't just due to the fact of https://review.openstack.org/#/c/365015/1/nova/api/openstack/placement/handler.py15:44
bauwser?15:44
cdentwhich fact?15:44
cdentoh i see it now15:45
cdentno, it's not just that15:45
cdentif there is an error anywhere else in the middleware stack it won't get logged15:45
bauwsercdent: for the middleware stack, I agree15:45
cdentthe logging _has_ to be on the outside of the middleware, otherwise things will not be logged15:45
bauwsercdent: but the bug mentions https://bugs.launchpad.net/nova/+bug/161969015:46
openstackLaunchpad bug 1619690 in OpenStack Compute (nova) "request logging in placement api always logs success" [High,In progress] - Assigned to Chris Dent (cdent)15:46
bauwsercdent: which is fairly different15:46
* auggy 's ears are burning15:46
cdentyes, the reason for constant success is because some of the time resp hasn't been set15:46
bauwsercdent: there are 2 problems IMHO, #1 is logging with 200 everytime, #2 being that we don't log if middleware expects prblems15:46
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cdentand it has a default15:46
bauwsermmm, ok15:47
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cdentso by moving up the stack a bit we are always using the _real_ response15:47
mriedemscottda: your tempest test is for retype that will test nova swap_volume correct?15:47
mriedemscottda: but the tempest test only runs if we have multiple cinder backends defined in tempest.conf?15:47
cdentbauwser: I'm sorry I left out some details but I was rushed: I needed actually working logging!15:47
auggydiablo_rojo: hi! i'm in pdx, i wasn't planning on going to openstack days seattle because i actually didn't know about it15:47
mriedemscottda: which happens via devstack flag, which is set in a new job definition of yours right?15:47
auggydiablo_rojo: but now that i know about it, i am going to see about going :)15:48
diablo_rojoauggy, Cool :) I am fairly sure I will be there so if you do end up going, give me a heads up and we can meetup while we are both there.15:49
auggydiablo_rojo: will do :)15:49
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diablo_rojoauggy, Hopefully see you there!15:51
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mriedemscottda: have you setup a d-g change to test the new job and the tempest test?16:02
mriedemto see it passing?16:02
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mriedemscottda: oh i guess that's what this is for https://review.openstack.org/#/c/331840/16:04
superdanmriedem: so in case you didn't follow, we've definitely got some things we need to fix server and client side on the placement stuff16:05
superdanmriedem: one of them is a slight conceptual change so we probably want to wait to merge it until jay can look and bless it16:05
superdanbut we're going to get going on it and try to have it ready for next week16:05
mriedemok, yeah i haven't been following, except i saw the logging change and was waiting to see the results of that16:06
mriedemi'm going to try and check out for the weekend in about an hour16:07
superdanokay16:07
superdanI'm going to fade early myself16:07
bauwserFWIW, I'm deploying a placement-api pimped devstack16:07
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bauwserso, I could test a few bits16:07
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bauwsersuperdan: glad you spotted that bug before we go further16:08
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superdanbauwser: cool and yeah :)16:08
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bauwsersuperdan: I used the word "source of truth" when I was talking of compute node, and I know it's a bit confusing16:09
auggysuperdan: bauwser if there's anything i can help out with on the placement stuff, let me know, i've just been reading through what's happening and wrapping my head around it16:09
auggyapparantly i'm pretty good at mox tests now16:09
superdanauggy: you and me both16:09
bauwsersuperdan: but what I wanted to express is that we need somehow to trust the compute node for providing the right view of what it runs16:10
superdanbauwser: yeah and I'm not sure that's the right thing to do16:10
bauwserI know16:11
superdanbauwser: but, we can trust anyone that puts a new allocation that isn't a change, IMHO, which is all we need16:11
mriedemauggy: did you ever get a change pushed up to gitignore etc/nova/policy.yaml.merged?16:11
auggymriedem: yes i pushed that change16:11
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mriedemlink?16:11
auggymriedem: i'll find the magic link16:11
bauwsersuperdan: I know that you have concerns with the compute node being the one which should get the right view of the world16:11
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auggymriedem: https://review.openstack.org/#/c/363768/16:12
scottdamriedem: Yes to all of the above. And MattTR suggested adding that test to tempest experimental job as well.16:12
auggymriedem: i think i pinged you after i pushed it but with all the crazy happening i reckon it was missed ;)16:12
auggyaw sfinucan +1'ed it :)16:13
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openstackgerritMatt Riedemann proposed openstack/nova: DNM: test swap-volume fix  https://review.openstack.org/36505016:13
mriedemscottda: you mean add the gate-tempest-dsvm-lvm-multibackend-nv job to tempest experimental right?16:14
sfinucanauggy: thank my nova review dash ;)16:14
mriedemscottda: that's a good idea16:14
openstackgerritLudovic Beliveau proposed openstack/nova: Update available resources before confirm stage  https://review.openstack.org/32735616:14
scottdamriedem: yes16:14
auggysfinucan: yeah i need to be better about reviews, they just take me a long time and sometimes they merge before i'm done getting through it16:14
mriedemscottda: ok that patch ^ above is also using it to test a nova fix for swap volume16:15
mriedemscottda: the bug being you can swap from vol A to B but can't swap back from B to A16:15
mriedemnova blows up16:15
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Swamimriedem: Matt could you please review this nova-neutron patch. https://review.openstack.org/#/c/275073/4016:19
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mriedemi can only review that change once per quarter16:20
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Swamimriedem: no kidding16:21
mriedemSwami: will try to get it in next week16:21
mriedemi'm quickly running out of steam to do anything more this week16:21
Swamimriedem: thanks16:21
Swamimriedem: no worries.16:21
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bauwserhurrah, my devstack works16:25
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auggymriedem: also i had gotten this one done but hadn't checked the gate status and apparantly i can't yaml haha https://review.openstack.org/#/c/363803/16:28
auggyanyways that's fixed and i'm just seeing what these two failures are about, i thought it was good to go16:29
mriedemlooks like infra16:29
mriedemthe job aborted halfway through16:29
mriedemjust recheck it16:30
openstackgerritBrent Eagles proposed openstack/nova: Add bigswitch command to compute rootwrap filters  https://review.openstack.org/35802416:31
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superdancdent: um, I think the api exposes and accepts inventories in different formats16:33
cdentsuperdan say what?16:33
superdanhang on16:33
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superdanwell, I can't provide you a link because the gabbits aren't exhaustive16:34
auggymriedem: yeah that's what it was looking like to me too, rechecking away16:34
superdancdent: however, when I put a list of inventories, the resource_provider_generation is a toplevel thing,16:35
superdancdent: however in the response it looks like it is in each inventory by resource class16:35
superdancdent: which means if I have no inventories yet, I don't know what the generation is unless I look at the resource provider itself16:35
cdentsuperdan: there isn't get put symmetry16:35
superdancdent: and it means that the value is repeated over and over for the same resource provider once for each inventory record16:36
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superdancdent: why not? isn't that unrestful?16:36
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clarkbmriedem: auggy if you pull up the ansible log for that job it lost ssh connectivity to the host. Jeblair was looking into that and root cause seems to be Internets so we need to work on making things retry better16:36
cdentsuperdan: when I tried to make the placement api restful, jay got annoyed...16:36
superdanffs16:36
cdentthe version of the api that currently exists is the third design16:36
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auggyclarkb: ah cool, yeah that's what i was poking around to see16:36
armaxmriedem: ping16:37
cdentthere was jay's first one which i then made restful, which he then switched to omething else16:37
cdentat which point I gave up fighting16:37
superdanI'm not really interested in who is at fault I just want to make this work16:37
superdanso whatever, I guess I will just do three http calls each time16:37
cdentI'm merely trying to provide context and history16:37
auggyclarkb: i sometimes wonder about your list of highlighted words... haha you seem to magically appear right when you are able to offer some great insight16:37
cdentthree?16:37
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clarkbauggy: I like to investigate when someone says "probably infra just recheck" :)16:38
superdancdent: yes, one to reliably get the current generation, one to get the current inventory and one to put the new inventory (if needed) .. so two always, three if there is an update16:38
mriedemand i was right :)16:38
mriedemarmax: pong16:38
clarkbmriedem: yup16:38
* auggy thinks clarkb is secretly a heinzelmännchen16:38
jeblairauggy: i just follow clarkb around since he has the highlight game covered, apparently16:39
armaxmriedem: we got stung by the os-vif bug again here: http://logs.openstack.org/14/365014/1/check/gate-tempest-dsvm-neutron-linuxbridge/5c3eecd/16:39
auggyjeblair: ha16:39
armaxmriedem: http://logs.openstack.org/14/365014/1/check/gate-tempest-dsvm-neutron-linuxbridge/5c3eecd/logs/screen-n-cpu.txt.gz?level=TRACE#_2016-09-02_15_04_53_01416:39
armaxmriedem: I had an E-R query for this16:39
mriedemarmax: is that because the fix isn't released?16:39
armaxmriedem: yeah I think so16:39
armaxbut I am curious as to why E-R didn’t pick it up16:40
cdentsuperdan: don't you have a local reference to the resource provider that you can keep updated as you make successful changes, and just revamp that when you get a fail?16:40
cdentsorry I used the word "just" that's a no no16:40
armaxmriedem: looking closer the query doesn’t seem to match16:40
openstackgerritTuan Luong-Anh proposed openstack/nova: Python 3.x compatibility modules urllib  https://review.openstack.org/36196416:40
superdancdent: yeah, but it's just getting kinda messy to keep stabbing things into the local cache16:40
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cdenti had assumed that one was already there16:41
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mriedemarmax: is the LB fix in os-vif on master released at all?16:41
armaxmriedem: yes16:41
armaxah16:41
armaxno16:41
armaxI don’t think so16:41
mriedemarmax: the stable/newton is approved at least now https://review.openstack.org/#/c/363975/16:41
armaxmriedem: ack16:41
armaxmriedem: question I had for you16:41
armaxwas16:41
mriedemarmax: and yes https://review.openstack.org/#/c/361516/ isn't released16:42
mriedemso that's why you're still failing16:42
armaxon https://review.openstack.org/#/c/361458/16:42
mriedemwe could do a patch release....to get u-c updated16:42
armaxmriedem: shall I replace the InterfaceAttachFailed error with ‘can't create bridge with the same name’16:42
armaxmriedem: because for whatever reason this last failure seems to be induced by the same error, but it shows up differently16:43
openstackgerritTuan Luong-Anh proposed openstack/nova: Python 3.x compatibility modules urllib  https://review.openstack.org/36196416:44
mriedemarmax: you can do an OR with the messages16:44
mriedemto hit both16:44
armaxmriedem: ack16:44
armaxmriedem: tweak coming right up16:44
mriedem(message:"InterfaceAttachFailed: Failed to attach network adapter device to" OR message:"can't create bridge with the same name") AND tags:screen-n-cpu.txt16:45
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mriedemoh different file16:46
mriedemoh nvm16:46
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armaxmriedem: https://review.openstack.org/#/c/365064/16:47
armaxmriedem: what do you mean differnt file?16:48
mriedemignore16:48
mriedemi thought one was checking n-cpu and the other n-net16:48
mriedembut they are both messages in n-cpu16:48
mriedemi get 24 hits in logstash for (message:"InterfaceAttachFailed: Failed to attach network adapter device to" OR message:"can't create bridge with the same name") AND tags:screen-n-cpu.txt over 7 days16:49
mriedemcheck and gate16:49
mriedem1.       gate-tempest-dsvm-neutron-linuxbridge                                                                  18                   2.       gate-tempest-dsvm-neutron-full-ubuntu-xenial                                                                  3                   3.       gate-tempest-dsvm-neutron-multinode-full16:49
mriedemthey aren't all LB jobs16:49
armaxmriedem: ack16:49
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cdentsuperdan: I've got a working version of "don't write a same allocation to the database" but I've got a question:17:07
cdentdo you need a different response code between "we wrote it" and "it's the same so we didn't write it"?17:07
figleafcdent: My take on that is that the client should never care about the difference17:09
cdentfigleaf: yeah, in the general case, but in this case we've been having some weird...17:10
figleafcdent: and what if you send 4 allocations, and 1 is new? Or 2? Or all 4? DO those all get different codes?17:10
cdentfigleaf: the context on this is https://bugs.launchpad.net/nova/+bug/161972317:11
openstackLaunchpad bug 1619723 in OpenStack Compute (nova) "in placement api an allocation reporter sometimes needs to be able to report an allocation even if it violates capacity constraints" [Undecided,New] - Assigned to Chris Dent (cdent)17:11
figleafcdent: I would log that differently, but remember that there is no GET for allocations17:11
figleafcdent: so sending different codes leaks information17:11
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cdentI personally don't want to send a different code, but if superdan _needs_ it, then we need to talk about how to deal with that17:12
figleafcdent: huh, so we need both a PUT and a PUT_I_REALLY_MEAN_IT methods17:12
superdancdent: just a sec sorry17:13
cdentfigleaf: yeah, sort of.17:13
figleafcdent: I'll let you two fight it out. Got to step out for a few minutes17:13
cdentenjoy17:13
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superdancdent: I don't think I need to know from the client side, no, I just need to know if what you have is what I have17:15
cdentsuperdan: cool, i'll push what I've got up now (both the inventory and allocation stuff) and we can tweak it as required. and probably add some tests17:16
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superdanokay17:16
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openstackgerritChris Dent proposed openstack/nova: [placement] Allow inventory to violate allocations  https://review.openstack.org/36506817:18
openstackgerritChris Dent proposed openstack/nova: [placement] don't write existing equivalent allocations  https://review.openstack.org/36506917:18
cdentsuperdan: there go17:18
cdentthat's above the logging adjustments17:18
superdanokay I think I just unfucked my local attempts to be graceful about inventories17:21
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cdentunfuckery is a positive17:28
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mriedemarmax: how critical is it to get os-vif released with that LB fix?17:29
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mriedemlike do i need to make a case to get a release exception with the release team before RC1?17:29
openstackgerritDan Smith proposed openstack/nova: More conservative inventory updates  https://review.openstack.org/36507317:30
superdancdent: please review unfuckery ^ .. no unit test fixes for the changes yet17:30
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mriedemsuperdan: is that like what jaypipes had in his original one?17:32
mriedemi remember his was a bit more elaborate on the client side checking17:32
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* cdent looks17:34
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superdanmriedem: yeah, and this was my plan all along to follow up17:34
-openstackstatus- NOTICE: The infrastructure team is taking Gerrit offline for maintenance, beginning shortly after 18:00 UTC for a potentially 4 hour maintenance window.17:38
* cdent gets superdan's code!17:39
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cdentsuperdan: reading that it looks good, will make it run now17:39
openstackgerritviswesuwara nathan proposed openstack/nova: fixed flavor image listing if project_id is None  https://review.openstack.org/36353017:40
superdanmriedem_afk: yeah sadly the server GET and PUT are different, so the process of knowing if we need to update them is... ugly17:42
superdanit's almost 11 and I haven't had a morsel to eat, so ... gotta do that17:42
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* superdan looks forward to fancy french marmalade17:42
cdentsuperdan: we should probably talk about changing that (GET and PUT, but also your food) next week17:42
cdentit might be worth it17:42
openstackgerritEric Brown proposed openstack/nova: Remove bandit.yaml in favor of defaults  https://review.openstack.org/27854417:43
cdentallocations are being properly deleted when a server goes to ERROR17:44
superdancdent: yeah, we should talk to sean about it17:45
cdentI think, next time we do something like this, that we should work in the other direction when both speccing and building. this time we worked database->api->things that will use it17:46
superdanyeah, all the while saying we cared most that the api was good17:46
superdanand alas...17:47
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cdenti don't think we ever had a consistent and complete picture of ... I'm not even sure what word to use17:47
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cdentoh well, it mostly works :)17:47
superdanyeah17:47
superdanI selfishly refused to review the api bits of placement out of spite, so I can't complain too much17:48
superdan(not really spite, just being dramatic)17:48
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cdentit supports microversions, there's even a gist for how it will support microversion, we can change it when we need to17:49
superdanI think we started our first microversion clock when we released it the first time, to perhaps we have a few days to course correct17:50
lasciimriedem_afk: sorry, crazy day and I haven't been around my computer much. But yes we should have instance actions for swap volumes, and other things that are missing. Not worth waiting for tasks on doing that bit17:50
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cdentI think I'm done for the day. If there's stuff that I can do email me, or assign a bug to me, or put something on a review, or whatever.17:53
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* cdent waves17:53
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oomichimriedem_afk: about https://review.openstack.org/#/c/360941/1//COMMIT_MSG17:56
oomichimriedem_afk: I guess 404 is preferable I guess17:56
oomichimriedem_afk: but 400 is valid on this case based on https://github.com/openstack/api-wg/blob/master/guidelines/http.rst#failure-code-clarifications17:57
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-openstackstatus- NOTICE: Gerrit is now going offline for maintenance, reserving a maintenance window through 22:00 UTC.18:05
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armaxmriedem_afk: it’s biting all of us in the gate18:12
armaxmriedem_afk: the frequency is not too high so far but we’re in feature freeze18:12
armaxmriedem_afk: it’s not critical for prod deployments where one doesn’t run everything on a single node18:13
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armaxmriedem_afk: I am somewhat ambivalent if we can put up with the occasional gate reset18:13
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armaxmriedem_afk: until we can release in Ocata18:14
armaxkevinbenton: do you concur? ^18:14
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jrollrpodolyaka: +1'd both, thanks for those :)18:41
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rpodolyakajroll: thanks!18:43
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cdentsuperdan: the icky format for get inventories is a bug: http://specs.openstack.org/openstack/nova-specs/specs/newton/approved/generic-resource-pools.html#get-resource-providers-uuid-inventories18:43
superdancdent: ah, yep18:43
superdangood.18:43
superdan:)18:43
cdentyeah18:43
cdenti'll make the bug and fix it sometime soon18:44
superdanit's still different18:44
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superdanbut at least the generation is one per request18:44
superdanthe post takes a list of dicts with the key inside18:44
superdanthe get still returns a dict indexed by type18:44
superdanbut closer is better18:44
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cdentsuperdan: when I fix this I'll tune the resource tracker too18:48
superdancdent: okay.. looks like I need to fix some pep8 fails in your patches below18:48
superdanyou said you were done for the week, but .. here you are... anything pending/18:48
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cdentyeah, I didn't do any of those kind of tests because I figured you want to play18:48
superdanyep, it's fine18:49
cdentyeah, I didn't mean to come back but my brain was tickling me that something wasn't right18:49
cdentso I went looking..18:49
superdanokay18:49
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cdentI don't plan to do anything tonight18:49
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bauwsercdent: so, about what we discussed today, do you have a change I could look at ?18:53
bauwsercdent: or could I help you by implementing it ?18:54
cdentbauwser: which thing?18:54
superdanbauwser: gerrit is down anyway right?18:54
superdanwell, it's up now, but..18:54
bauwsercdent: the fact that we should just check if the allocation is existing and not check the inventory then18:55
superdanyeah that is done18:55
bauwserokay18:55
bauwserI haven't seen the gerrit maintenance, sorry18:55
superdanbauwser: here and down: https://review.openstack.org/#/c/365073/18:55
superdanbauwser: I feel like we should wait for jay to approve these since they are tweaks to the original plan18:56
superdanbut good to vet them in the meantime of course18:56
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bauwserfair point18:57
superdanwell, not my patch but the ones from cdent below18:57
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bauwseryup18:58
superdanbauwser: the logging one at the bottom would be good to get in if you want to look at that and are itching to do something :D18:58
bauwserI already reviewed it18:58
superdanoh cool18:58
superdan:)18:58
bauwserbut yeah18:58
superdanFYI monday is a US holiday if you don't know18:59
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bauwsersuperdan: WAT ? you have some holiday that french don't ? I'm pissed off19:02
superdanhaha19:03
openstackgerritDan Smith proposed openstack/nova: [placement] Allow inventory to violate allocations  https://review.openstack.org/36506819:03
openstackgerritDan Smith proposed openstack/nova: [placement] don't write existing equivalent allocations  https://review.openstack.org/36506919:03
openstackgerritDan Smith proposed openstack/nova: Move placement api request logging to middleware  https://review.openstack.org/36501519:03
openstackgerritDan Smith proposed openstack/nova: More conservative inventory updates  https://review.openstack.org/36507319:03
superdanpep8 fixes and tests for my changes ^19:04
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-openstackstatus- NOTICE: Gerrit is completing an online re-index, you may encounter slowness until it is complete19:14
mriedem_afkoomichi: i think you missed my point19:15
mriedem_afkoomichi i wanted the DocImpact tag removed from the commit message19:16
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mriedem_afkah i see it has been in the latest version19:16
openstackgerritMJWurtz proposed openstack/nova: Refresh info_cache after deleting floating IP  https://review.openstack.org/35749419:17
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openstackgerritMJWurtz proposed openstack/nova: Refresh info_cache after deleting floating IP  https://review.openstack.org/35749419:45
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mriedemscottda: it doesn't seem that your retype test actually swaps the volume attachment on the server19:57
scottdahmmm19:58
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scottdamriedem: I'll have a look in a little while.20:00
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mriedemif retype doesn't create a new volume and swap to that, then i wouldn't expect it to call swap volume20:03
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oomichimriedem: Yeah, I see. and I just did catch the last part of your comment related to HTTP 400.20:03
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cjvolzkaI see http://specs.openstack.org/openstack/nova-specs/specs/newton/approved/cells-instance-groups-api-db.html has been marked complete. The documentation says methods from db/sqalchemy/api.py would be mirrored to objects/instance_group.py. I don't see a replacement for instance_group_member_delete(). Is that still coming or was it dropped?20:09
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melwittcjvolzka: the rest api doesn't allow delete of group members and the function instance_group_member_delete isn't called anywhere presently (it was never exposed by the instance group object interface)20:17
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mriedemyeah you can't add or remove instance group members after the group is created right now20:21
mriedemthere was a spec at one point, it gets complicated20:21
cjvolzkamelwitt: It was a function that we happened to use internally. Was there already discussion about intentionally not including this any longer or was it just not added since there wasn't community use for it? In short I'm asking if it'd be worth while propose adding it back or has that already been decided.20:22
mriedemcjvolzka: see https://review.openstack.org/#/q/owner:jmulsow%2540us.ibm.com+status:abandoned20:23
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melwittcjvolzka: it wasn't discussed. the work was done to make instance group object functions work with both dbs and provide the migration and the delete members wasn't part of that since the object currently doesn't delete members as it is20:27
lasciicjvolzka: I don't think there will be much support for adding it back if it's not exposed to a public interface20:28
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mriedemwe must fix this bug by RC120:31
mriedemhttps://bugs.launchpad.net/nova/+bug/161870720:31
openstackLaunchpad bug 1618707 in OpenStack Compute (nova) "add comment" [Undecided,Invalid] - Assigned to wanghongtaozz (wanghongtaozz)20:31
melwittlol20:32
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harlowja_qq guys, mriedem melwitt (or others), wondering if a question we are debating on internally u guys can help me with20:35
harlowja_the question of notification messages out from nova (for say a instance)20:35
harlowja_is the ordering of the state changes guaranteed20:35
harlowja_(in cells this gets weird, but just let's exclude that for now)20:35
mriedemis the ordering of the state changes gauranteed.....20:35
mriedem?20:35
harlowja_for the same instance20:35
harlowja_(at least)20:36
mriedemhave an example?20:36
harlowja_ya, though it involves cells, but its a ok example20:36
mriedemgauranteed, i'd say no20:36
mriedemsince we have nothing testing that server actions go through a specific state transition20:36
mriedemsince we don't have a specific state machine20:36
harlowja_right, we have a instance.stop that we've seen come in before a instance.start (not often)20:36
mriedemtdurakov is working on something like that, but more for migratoins20:36
harlowja_cells v1 i think is part of the bad part20:36
harlowja_bad == cause20:37
mriedemis it a reboot operation?20:37
harlowja_unsure20:37
mriedemif it's reboot, then that might make more sense20:37
harlowja_kk, jist of the thing is that i guess a specific state machine would help here (could at least be used to know the right order)20:37
mriedemwe talked a little bit about something like this at the newton midcycle, tdurakov was tasked with getting some of the state transitions for migrations down on paper as a start20:38
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mriedemand then start working on a model, possibly based on what ironic is already doing20:38
harlowja_gotcha20:40
melwittstate changes race in cells v1 because instance.save() causes a sync down to the compute cell. so those race with other actions going from parent to child cell. example https://bugs.launchpad.net/nova/+bug/146669620:41
openstackLaunchpad bug 1466696 in OpenStack Compute (nova) "Cells: Race between instance 'unlock' and 'stop' can cause 'stop' to fail" [Low,Won't fix]20:41
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harlowja_ya the thing that we are theorizing is that we have a consumer on the child-cell that puts things into kafka and top-level consumer that also writes into kafka, the order sometimes gets busted in kafka (compounded by cells v1 i think)20:42
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harlowja_(not always gets busted)20:44
harlowja_just sometimes20:44
mriedemtdurakov: fyi just saw this in bug triage https://bugs.launchpad.net/nova/+bug/161729920:45
openstackLaunchpad bug 1617299 in OpenStack Compute (nova) "Share based Nova Live Migration eratically fails" [Undecided,New] - Assigned to Tom Patzig (tom-patzig)20:45
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melwittcells v1 would definitely do that sometimes when actions are done in rapid succession. I wouldn't expect it for non-cells but like mriedem it's really not guaranteed in any way as there's nothing formal about state transitions yet20:47
harlowja_melwitt right, think we've seen that :)20:47
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harlowja_(the bug u mentioned)20:47
harlowja_btw how are u!20:47
harlowja_lol20:47
mriedemyou former yahoo! creeps need to tell those 2 that spam the operators list about no longer being at yahoo to knock it off20:48
harlowja_ya, i told20:48
mriedemexcellent20:48
harlowja_mriedem the message has been told20:48
harlowja_though i think its a larger issue with yahoo-inc email setup/server?20:48
harlowja_its not the first time this happens20:48
mriedemtpatzig_: on https://bugs.launchpad.net/nova/+bug/1617299 can you put a retry backoff decorator in the code that checks for the test file on the other host during migration?20:48
openstackLaunchpad bug 1617299 in OpenStack Compute (nova) "Share based Nova Live Migration eratically fails" [Medium,Confirmed] - Assigned to Tom Patzig (tom-patzig)20:48
harlowja_there bouncing 'rule' needs adjustment :-P20:48
harlowja_stop replying to all when things bounce, lol20:49
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openstackgerritLudovic Beliveau proposed openstack/nova: PCI: Update MAC address for NICs PF passthrough devices  https://review.openstack.org/36143820:56
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openstackgerritMatt Riedemann proposed openstack/nova: libvirt: improve logging for shared storage check  https://review.openstack.org/36514021:06
openstackgerritMatt Riedemann proposed openstack/nova: nfs fix for xenial images  https://review.openstack.org/32946621:07
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mriedemhaleyb: unit tests are failing on https://review.openstack.org/#/c/313070/21:16
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haleybmriedem: yes, i just haven't had time to fix it, wil try next week.  With os-vif this isn't as important21:17
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doffmbauzas: So rlrossit has been doing some scheduler performance work...21:27
doffmrlrossit: Want to take it away?21:27
rlrossitlet me get some pastes ready21:28
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rlrossitbauzas: so I'm doing some performance testing on the scheduler, and I'm following the select_destinations notification to see how long it takes21:30
rlrossitwhen I have debug logging turned on, select_destinations takes anywhere from 1-18 seconds, without debug logging, it takes 1-3 seconds21:30
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rlrossitthis is in an environment where I have 400 faked compute nodes21:31
rlrossityou can see the numbers here: http://paste.openstack.org/show/566153/21:31
rlrossitwe determined that https://github.com/openstack/nova/blob/master/nova/scheduler/host_manager.py#L162-L178 is the main culprit21:31
rlrossitbecause it's logging to debug 4 times for every host on every schedule when using the filter_scheduler21:31
rlrossitso for me, that's 1600 debug log messages every time we run get_all_host_states()21:32
melwittdebug logging isn't supposed to be turned on generally, but I get your point21:34
melwittbauzas might not be around right now, it's 23:34 in his time zone21:34
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rlrossitI blame doffm21:34
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mriedemrlrossit: talk to cfriesen21:36
mriedemhe's looked at a lot of the logging stuff in the scheduler21:36
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melwittyeah, he's been working on a thing to only emit INFO log messages upon failure, or something similar. to avoid needing debug turned on to know anything21:38
doffmTurning on debug right now makes the scheduler very very slow.21:38
melwittupon scheduling failure21:38
melwittyeah, that's known and no one should run with debug enabled unless they're actively troubleshooting a problem21:39
mriedemdoffm: rlrossit: http://specs.openstack.org/openstack/nova-specs/specs/newton/approved/improve-sched-logging.html21:39
mriedemwork on that for ocata21:39
doffmSounds good.21:40
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auggyi feel like there's a "taco trucks on every corner" pun to be made here but I'm struggling22:03
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oomichimriedem: do we have a chance to fix api-site in Newton? or should we wait for ocata now?22:10
oomichihttps://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:bp/api-ref-in-rst22:10
oomichiI am not sure that should be considered as high-prio *feature* or just fixing22:11
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