Friday, 2017-07-21

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openstackgerritOpenStack Proposal Bot proposed openstack/python-octaviaclient master: Updated from global requirements  https://review.openstack.org/48588500:21
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rm_workjohnsom: ah, FYI harlowja pointed out that threads in gunicorn/uwsgi suck a lot00:51
rm_workjohnsom: seems like instead of combo of threads/workers, it's almost unilaterally better to just use as however many workers * threads, as JUST WORKERS <_<00:51
johnsomThreads in python just suck...00:52
rm_workso switching from -w4 -t2 to -w8 and things seem... more stable00:52
johnsomSorry, "threads"00:53
johnsomAir quotes00:54
rm_workheh00:57
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openstackgerritOpenStack Proposal Bot proposed openstack/python-octaviaclient master: Updated from global requirements  https://review.openstack.org/48588504:46
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pksinghjohnsom: hello14:10
pksinghjohnsom: can you please have a look on https://review.openstack.org/#/c/484325/, when you get some time14:11
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johnsomo/15:13
johnsomYeah, I looked at it again yesterday, I will try to comment today15:13
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openstackgerritMerged openstack/python-octaviaclient master: Updated from global requirements  https://review.openstack.org/48588515:21
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xgerman_o/15:26
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-openstackstatus- NOTICE: Restarting Gerrit for our weekly memory leak cleanup.17:05
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rm_workjohnsom: i guess probably we won't get to the members thing17:38
rm_workdo we have any other *features* waiting that'd be blocked after next week tho?17:39
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johnsomWe can probably get members in17:50
johnsomI was going to try to do a scrub on the priority list today.17:51
johnsomJuggling too much at the moment17:51
rm_workyeah you and me both17:58
rm_workand this performance thing is killing me17:58
rm_workruled out the DB17:59
rm_work(i'm just hitting / now, to get the static APIversion response)17:59
johnsomOh, really, now that is super interesting17:59
johnsomThat is like a static page17:59
rm_workit seems to be "first response is 10s", then every 5 minutes one response is 10s18:00
rm_workand then after some hours, it becomes 2 responses are slow, then 318:00
rm_workevery 5 min18:00
rm_workhttp://i.imgur.com/QfCv4jI.png18:00
rm_workit MUST be uwsgi...18:01
rm_work(i'm back on uwsgi)18:01
rm_workalso it has interesting stratum18:01
rm_workyou can see it better in this one:18:01
rm_workhttp://i.imgur.com/WHzE0if.png18:02
rm_workmost requests are like .5s18:02
rm_workbut then at 1.5s and 2.5s there's other groupings18:02
rm_workwith outliers around 3.5s18:02
rm_workit's not just a random cloud between 0.5 and 3s18:03
johnsomFYI, I am also looking at our image.  It looks like Ubuntu has been loading up the cloud image with more stuff.  The compressed image has almost doubled in size over the last year and half.  Also the un-compressed amp only has like 150MB free.18:04
johnsomI did a quick build with ubuntu-minimal element, this seems to be better (builds with debbootstrap as opposed to just grabbing the cloud image from ubuntu), but I need to do some testing and figure out some things I had to work around.18:05
rm_workyeah18:06
rm_workalso i think the Alpine story looks a lot better now18:06
rm_workhaproxy is packaged18:06
rm_workI was going tor evisit18:06
rm_work*to revisit18:06
rm_workalso I know someone here who has *done* haproxy+pythonagent on Alpine with docker18:07
rm_workso I am hoping if I show him some DIB stuff I might be able to steal some time to do pair-work to knock that out18:07
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rm_workjust don't know when that could happen18:07
rm_work(last time I tried, haproxy was going to be a custom compile, and python was acting wonky, so i just gave up)18:07
rm_workthough I don't know about the netns story, but I assume it's good since Alpine is a security distro?18:08
rm_workyeah the centos image makes me hurt inside, it's so big18:09
rm_workalso, the images kolla builds for octavia-api and such are ginormous too18:09
johnsomWell, netns is kernel level, so would expect some support18:09
rm_work830mb for a *docker image*18:09
johnsomWHAT?18:09
johnsomhahaha18:09
rm_workyes18:09
johnsomWow18:09
rm_workit's *stupid*18:09
rm_worknot sure what to do about it18:09
rm_workbut it's way down on my todo list18:09
rm_workthey have like... 20 layers too18:09
rm_workand they install our test-requirements and also leave all the build-deps for stuff on there, like gcc18:10
johnsomWell, I think minimal would be a good short term fix at least18:10
johnsomYeah, we do in our amps too.  If I really wanted to go deep I could create an element that strips out stuff at the end.  Not sure I'm there at the moment18:11
rm_workyeah18:12
rm_workwell in docker images it's hard because "stripping it out" is a layer... so it still has to download it all, to get to the state where it's not there18:13
rm_work<_<18:13
rm_workthe k8s team here is like "you guys are dumb"18:13
johnsomI also have two modules left and I'm done with the python-openstacksdk18:13
johnsomThough I'm not getting reviews so that is worrying me18:13
rm_workT_T18:13
rm_workI can look maybe...18:13
rm_workmaybe if they get +118:13
rm_workit'd help18:13
johnsomhttps://review.openstack.org/#/q/project:openstack/python-openstacksdk+status:open18:14
johnsomI have l7rule and quota to do18:15
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johnsomYeah, ok, minimal is going to be some work.  It looks like it doesn't have cloud-init and maybe not even dhcp18:23
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-openstackstatus- NOTICE: docs.o.o is currently broken, we're investigating18:39
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rm_workyeah i remember last time discovering that it had... issues18:42
rm_workI mean this is just... WHAT19:07
rm_workhttp://paste.openstack.org/show/616199/19:07
rm_workahhhh i wonder19:11
rm_workhttp://paste.openstack.org/show/616200/19:11
rm_workerr sorry fixed linebreaks19:11
rm_workhttp://paste.openstack.org/show/616201/19:11
rm_workso at 4:30:14 is the last request issued19:11
rm_workand ALL stop on that worker until about 4:30:40 where they resume19:12
rm_workand we see a few of the ones from 4:30:14 interspersed at that point19:12
rm_workI have two nodes up... i wonder if the nginx in front of them (LEAST_CONNECTIONS) is actually smartly noticing the slow response and directing queries to the other one19:13
rm_workwhich is not being slow19:13
rm_worknope, BOTH locked up exactly the same time19:15
rm_workwut19:15
rm_workthat makes very little sense19:15
xgerman_rm_work WTF? https://bugs.launchpad.net/octavia/+bug/170576419:21
openstackLaunchpad bug 1705764 in octavia "Deleting a listener during failover causes it to go into ERROR (edge case)" [Undecided,New]19:21
rm_workuhhh19:21
xgerman_yeah, I have been looking at Octavia failures the last couple of days. Getting to head against wall state19:21
xgerman_How, can people hit every edge case?19:22
xgerman_in that case we hit the 404 just before the listener was built on the amp — what are the changes?19:22
xgerman_chances19:22
rm_work[Adam Harwell] [10:44]19:32
rm_workyeah I’m scheduled to bang my head against a wall for a couple more hours, then in the afternoon I have two hours of crying softly to myself in a corner, and then i’m planning to take an early friday19:32
rm_work^^ me this morning in Slack19:32
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openstackgerritErwan Gallen proposed openstack/octavia-dashboard master: Replace patterns syntax by url list  https://review.openstack.org/48622020:34
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johnsomrm_work Are you crying in the corner yet?  (i.e. how is it going?)21:26
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rm_workeh22:03
rm_workmaybe new hints22:03
rm_workdunno22:03
rm_workstill poking22:03
johnsomDo tell22:03
rm_worki heinously murdered the workers via W on the masterfifo for one uwsgi22:03
rm_workand it stopped doing the 5-min thing22:03
rm_workso i did it to the other one22:04
rm_workseeing if they disappear altogether22:04
rm_workthey did for 20min...22:04
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xgerman_yep, taking the early Friday as well.22:35
johnsomEnjoy!22:35
johnsomWait, it is already after 5 for you...22:35
johnsomI am working through some reviews22:36
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rm_workwhelp now the results are just utterly perplexing again23:51
rm_workFML23:51
rm_workI'm done23:51
rm_work(for the day)23:51
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