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zhangchi | #startmeeting tricircle | 01:14 |
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openstack | Meeting started Wed Mar 11 01:14:29 2020 UTC and is due to finish in 60 minutes. The chair is zhangchi. Information about MeetBot at http://wiki.debian.org/MeetBot. | 01:14 |
openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 01:14 |
*** openstack changes topic to " (Meeting topic: tricircle)" | 01:14 | |
openstack | The meeting name has been set to 'tricircle' | 01:14 |
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zhangchi | Morning all welcome to tricircle meeting | 01:19 |
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zhangchi | There is a meetup about tricircle netowrk accross site in container dissscusion welcome to join up | 01:30 |
zhangchi | on 28th March | 01:30 |
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zhangchi | bye see you late march 25th March | 01:39 |
zhangchi | #endmeeting | 01:39 |
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 01:39 | |
openstack | Meeting ended Wed Mar 11 01:39:38 2020 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 01:39 |
openstack | Minutes: http://eavesdrop.openstack.org/meetings/tricircle/2020/tricircle.2020-03-11-01.14.html | 01:39 |
openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/tricircle/2020/tricircle.2020-03-11-01.14.txt | 01:39 |
openstack | Log: http://eavesdrop.openstack.org/meetings/tricircle/2020/tricircle.2020-03-11-01.14.log.html | 01:39 |
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ttx | #startmeeting large_scale_sig | 09:00 |
openstack | Meeting started Wed Mar 11 09:00:55 2020 UTC and is due to finish in 60 minutes. The chair is ttx. Information about MeetBot at http://wiki.debian.org/MeetBot. | 09:00 |
openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 09:00 |
*** openstack changes topic to " (Meeting topic: large_scale_sig)" | 09:00 | |
openstack | The meeting name has been set to 'large_scale_sig' | 09:01 |
ttx | #topic Rollcall | 09:01 |
*** openstack changes topic to "Rollcall (Meeting topic: large_scale_sig)" | 09:01 | |
ttx | Hi! | 09:01 |
ttx | Who is here for the Large Scale SIG meeting? | 09:01 |
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masahito | o/ | 09:01 |
ttx | Hi masahito! | 09:01 |
ttx | Hoping everyone is coping with the virus situation as best as possible... | 09:01 |
ttx | waiting for a few more people to join | 09:02 |
ttx | pinging amorin jiaopengju2 | 09:03 |
amorin | hey all | 09:03 |
amorin | I am there, sorry I am late | 09:04 |
ttx | I dont see Belmiro or oneswig in-channel | 09:04 |
ttx | OK, let's start | 09:04 |
ttx | #topic Progress on "Documenting large scale operations" goal | 09:04 |
*** openstack changes topic to "Progress on "Documenting large scale operations" goal (Meeting topic: large_scale_sig)" | 09:04 | |
ttx | #link https://etherpad.openstack.org/p/large-scale-sig-documentation | 09:04 |
ttx | amorin: you had an action to create a wiki page for large scale documentation | 09:04 |
jiaopengju2 | hi | 09:04 |
amorin | yes, unfortunately I am on duty this week | 09:05 |
amorin | and I did not find enough time to work on that | 09:05 |
ttx | ok, no hurry, we can push that one back | 09:05 |
ttx | i suspect your Nova doc patch is in the same bucket? | 09:05 |
amorin | yes | 09:05 |
ttx | OK, anything more on that topic ? | 09:06 |
amorin | not on my side | 09:06 |
ttx | #topic Progress on "Scaling within one cluster" goal | 09:06 |
*** openstack changes topic to "Progress on "Scaling within one cluster" goal (Meeting topic: large_scale_sig)" | 09:06 | |
ttx | #link https://etherpad.openstack.org/p/large-scale-sig-cluster-scaling | 09:06 |
ttx | masahito: still working on the new revision for https://review.opendev.org/#/c/704733/ ? | 09:07 |
masahito | Ah, I just updated the patch now. | 09:07 |
ttx | ah, very recent :) | 09:07 |
ttx | OK, let's all review the patch this week and hopefully get it approved by Oslo | 09:08 |
ttx | #action all to review new patchset of oslo.metrics spec https://review.opendev.org/#/c/704733/ | 09:08 |
masahito | It's better to add actual schema of the metrics to the spec, if possible. | 09:08 |
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ttx | Regarding https://etherpad.openstack.org/p/scaling-stories , I see you posted a teaser regarding list APIs becoming slow | 09:09 |
ttx | looking forward to your story there :) | 09:09 |
ttx | Anything else on that topic ? | 09:10 |
masahito | Yes, I wrote the index as reminder to me :-) | 09:10 |
ttx | #topic Large scale ops track at Opendev | 09:10 |
*** openstack changes topic to "Large scale ops track at Opendev (Meeting topic: large_scale_sig)" | 09:10 | |
ttx | Belmiro posted that topic, I hoped he would join | 09:11 |
ttx | #link https://etherpad.openstack.org/p/LargeScaleOps_OpenDev | 09:11 |
ttx | Looks like good progress was made there... did you attend that meeting masahito ? | 09:12 |
masahito | yes. | 09:12 |
ttx | is there anything you need from SIG members ? | 09:12 |
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masahito | Right now, nothing. | 09:13 |
ttx | OK let's plan to review progress on that at the next meeting | 09:13 |
ttx | #topic Next meeting | 09:13 |
*** openstack changes topic to "Next meeting (Meeting topic: large_scale_sig)" | 09:13 | |
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ttx | Is March 25 working for everyone ? | 09:13 |
masahito | I think after one or two more meeting, we start to find who can join the topics. At that time, I'll ask this SIG members. | 09:14 |
amorin | I will off on 25 | 09:14 |
ttx | belmoreira: around now? | 09:14 |
amorin | I'll try to do my tasks before | 09:14 |
masahito | it works for me. | 09:14 |
belmoreira | sorry, wasn't able to connect... also previous weeks | 09:14 |
ttx | #undo | 09:14 |
openstack | Removing item from minutes: #topic Next meeting | 09:14 |
ttx | Anything to add re: Large scale ops track? | 09:15 |
ttx | belmoreira: ^ | 09:15 |
belmoreira | The etherpad is up, please comment on it. | 09:16 |
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ttx | #action all to check/comment on https://etherpad.openstack.org/p/LargeScaleOps_OpenDev | 09:16 |
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ttx | #action amorin to create a wiki page for large scale documentation | 09:16 |
ttx | #action amorin to propose patch against Nova doc | 09:16 |
ttx | #topic Next meeting | 09:17 |
*** openstack changes topic to "Next meeting (Meeting topic: large_scale_sig)" | 09:17 | |
ttx | #info next meeting: March 25 | 09:17 |
ttx | I think I captured everything... | 09:17 |
ttx | Anything else to mention before we close ? | 09:17 |
ttx | oh, one more postponed action | 09:17 |
ttx | #action oneswig to contribute a scaling story on bare metal cluster scaling | 09:18 |
ttx | Alright, thanks everyone! | 09:18 |
ttx | #endmeeting | 09:18 |
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 09:18 | |
openstack | Meeting ended Wed Mar 11 09:18:37 2020 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 09:18 |
openstack | Minutes: http://eavesdrop.openstack.org/meetings/large_scale_sig/2020/large_scale_sig.2020-03-11-09.00.html | 09:18 |
mdelavergne | Thanks | 09:18 |
openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/large_scale_sig/2020/large_scale_sig.2020-03-11-09.00.txt | 09:18 |
openstack | Log: http://eavesdrop.openstack.org/meetings/large_scale_sig/2020/large_scale_sig.2020-03-11-09.00.log.html | 09:18 |
amorin | thanks! | 09:19 |
masahito | thanks | 09:19 |
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oneswig | #startmeeting scientific-sig | 11:00 |
openstack | Meeting started Wed Mar 11 11:00:25 2020 UTC and is due to finish in 60 minutes. The chair is oneswig. Information about MeetBot at http://wiki.debian.org/MeetBot. | 11:00 |
openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 11:00 |
*** openstack changes topic to " (Meeting topic: scientific-sig)" | 11:00 | |
openstack | The meeting name has been set to 'scientific_sig' | 11:00 |
oneswig | Good morning. | 11:01 |
martial_ | hello Stig :) | 11:01 |
oneswig | Apologies, no agenda was set today, had too much on. | 11:01 |
oneswig | Up early today martial_! | 11:01 |
oneswig | #chair martial_ | 11:01 |
openstack | Current chairs: martial_ oneswig | 11:01 |
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oneswig | COVID-19 is on our doorstep. How about you? | 11:02 |
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belmoreira | working from home! | 11:03 |
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b1airo | hey hey | 11:03 |
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oneswig | belmoreira: I'm due to fly to Geneva next weekend for a wedding in Chamonix. | 11:03 |
martial_ | well we got the time change last week end, so a little later (7am here). Still on school bus duty so mostly in listen mode | 11:04 |
belmoreira | oneswig good luck... should be fine though :) | 11:04 |
oneswig | All public gatherings are now banned in that department. Weddings as private gatherings - OK. | 11:04 |
oneswig | for now | 11:04 |
b1airo | ah, i see i have joined for thee COVID-19 travel disruption agony aunt hour :-) | 11:04 |
oneswig | Hey b1airo | 11:04 |
oneswig | #chair b1airo | 11:05 |
openstack | Current chairs: b1airo martial_ oneswig | 11:05 |
b1airo | how goes it? | 11:05 |
oneswig | Yep! Good to get it out of the way :-) | 11:05 |
oneswig | Anyone taking bets for ISC? | 11:05 |
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b1airo | 10:1 it's cancelled | 11:06 |
verdurin | Morning. | 11:06 |
oneswig | Hi verdurin, morning. | 11:06 |
b1airo | or at least trimmed down and moved online | 11:06 |
oneswig | Coronavirus is an opportunity to perfect our remote teleconferencing skills | 11:06 |
verdurin | It's more a test of our patience during the 10 minutes at the start when it doesn't work. | 11:07 |
belmoreira | hope this finished by then | 11:07 |
oneswig | Hangouts not so good for a family holiday, alas. | 11:07 |
b1airo | yeah, but the beaches are quiet! | 11:08 |
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b1airo | i spend the majority of my day on Zoom already, so hasn't had any real impact yet | 11:08 |
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oneswig | I think we are lucky to work in a sector that requires so little travel. Although you guys do seem to get around... | 11:09 |
oneswig | belmoreira: is working from home a CERN policy or self-imposed? | 11:10 |
belmoreira | during these weeks we can chose to work from home | 11:11 |
b1airo | i think "requires" is the key work there oneswig - there are a lot of people suddenly realising they can still work and do business without being physically colocated, and being circumspect about when real physical meetings/workshops are required is a good thing from an environmental perspective | 11:11 |
b1airo | i think "requires" is the key word there oneswig - there are a lot of people suddenly realising they can still work and do business without being physically colocated, and being circumspect about when real physical meetings/workshops are required is a good thing from an environmental perspective | 11:11 |
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oneswig | Certainly takes the shine off sitting in a plane, that's for sure. | 11:13 |
b1airo | i'm kind of morbidly excited about the wealth of data that (assuming it gets collected and standardised properly) could be hugely interesting across so many fields | 11:13 |
oneswig | you mean epidemiological data? | 11:14 |
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b1airo | no, all the secondary and ternary effects, e.g., finance, travel activities, consumption, social impacts/changes, etc | 11:15 |
oneswig | Interesting point. | 11:15 |
b1airo | but having good epidemiological data will be important to quantify impacts on other areas | 11:16 |
oneswig | We should probably talk some SIG-specific things, although I've been so busy recently I haven't given it much thought, alas. | 11:17 |
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b1airo | anyway, we got any OpenStack things to actually talk about. i don't really, other than wondering whether it's possible to rebuild a server originally booted from image into one booted from volume... | 11:17 |
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priteau | b1airo: snapshot the vm, create volume from snapshot? | 11:19 |
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b1airo | also curious to hear any Bright OpenStack success stories... trying to figure out whether it is worth investing further efforts in or ... | 11:19 |
oneswig | Interesting question b1airo. It would involve moving pools in ceph, | 11:19 |
b1airo | priteau: i was wanting to do a rebuild so i keep the IP address (flat network) and don't give up my hypervisor slot to a race condition of some other little instance crowding me out | 11:20 |
oneswig | b1airo: Is Piotr still leading that for them? Perhaps we should invite him to a SIG session to update on Bright OpenStack. | 11:20 |
priteau | Rebuild in the OpenStack sense | 11:20 |
oneswig | What are you running? | 11:21 |
b1airo | priteau: yeah, as in a `openstack server rebuild`. i suspect it is possible but maybe requires some arcane bdm magic | 11:22 |
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b1airo | we're on something pretty old now, perhaps BOS 7.2 or 7.3 | 11:24 |
oneswig | The "teapot" proposal somewhat overlaps with their world. But in a k8s-centric way | 11:25 |
b1airo | yeah, that looks ... interesting | 11:27 |
b1airo | would like to know how it came about | 11:27 |
oneswig | Do you recall the demo Red Hat did in the keynote at Vancouver a while back? Perhaps it is evolved from that, but with more k8s | 11:28 |
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oneswig | How do "ideas" like that get filed? Looks like Zane put a lot of work into it. | 11:31 |
b1airo | "more k8s", it truely is the modern IT panacea | 11:31 |
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b1airo | does anyone here have much experience trying to take a VM image based application stack deployment and shove it into a k8s hosted service (with state). i haven't played much in this space yet so am wondering what the state of play is towards k8s being a reasonable generic hosting option for anything that can be mangled into a container... | 11:34 |
priteau | These "ideas" can be contributed to https://opendev.org/openstack/ideas via Gerrit, just like specs | 11:35 |
priteau | Here's the change for Teapot: https://review.opendev.org/#/c/710173/ | 11:35 |
b1airo | ah ok, hadn't noticed the "openstack idea" concept come to fruition - makes sense, we used to do this stuff through specs, but always seemed kind of a forced way to manage bigger conversations | 11:38 |
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priteau | This is especially useful for cross-projects ideas or completely new projects | 11:38 |
martial_ | If I had to guess it has a lot to do with the OpenShift integration | 11:39 |
oneswig | Only the one idea so far it seems | 11:39 |
b1airo | martial_: you're talking about my VM question? | 11:40 |
martial_ | I am thinking about the teapot concept too | 11:40 |
b1airo | oh ok, that makes more sense - getting rather late here :-) | 11:41 |
martial_ | I am wondering how it will be reflected during the next PTG | 11:44 |
martial_ | (which so far seems to still be happening in person) | 11:44 |
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martial_ | ready for the official AOB? | 11:47 |
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martial_ | #topic AOB | 11:47 |
*** openstack changes topic to "AOB (Meeting topic: scientific-sig)" | 11:47 | |
martial_ | related to VM to microservices conversation, Istio and Envoy are at the center of this conversation | 11:49 |
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martial_ | participated at a conference at NIST recently on microservices and a lot of istio talks | 11:50 |
martial_ | a read on it here https://thenewstack.io/microservicing-with-envoy-istio-and-kubernetes/ | 11:50 |
b1airo | thanks martial_ , but in this case i don't want microservices, i'm talking about a case where the application stack is a black box | 11:51 |
martial_ | without endpoints? | 11:52 |
b1airo | just a webserver for example | 11:52 |
b1airo | but then has some heavy processing it might do | 11:53 |
martial_ | not as sure then | 11:54 |
b1airo | this is a case of not wanting to get into a let's rearchitect and build this whole application "the right way (tm)" conversation for every researcher that comes along looking to host their custom new doodad that they want to share with their community | 11:55 |
martial_ | understood, and it was not built using vagrant I guess? | 11:56 |
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martial_ | mostly wondering as it would have an idea of the setup and such | 11:58 |
b1airo | but i also don't want fleets of highly spec'd (cause e.g. it's a genomics widget) but very low utilisation VMs sitting about waiting for the odd request to come in - just a waste of resources (and management + security headache). feels like a reasonable middle-ground is putting the effort into defining the thing as a Dockerfile or similar, then setting it up as an on-demand service | 11:58 |
martial_ | agreed, this would be easier and more efficient | 12:00 |
oneswig | Ah, we are on the hour | 12:00 |
b1airo | but the Dockerfile bit might even be a bridge too far in many cases - like pulling teeth | 12:00 |
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b1airo | i've managed to talk everyone to sleep it seems oneswig | 12:00 |
martial_ | if you can encapsulate the tool part vs the system part, might be feasible | 12:00 |
b1airo | good to "see" you all :-) | 12:01 |
martial_ | fun challenge | 12:01 |
oneswig | OK, time to close. Now go and wash your hands :-) | 12:01 |
oneswig | #endmeeting | 12:01 |
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 12:01 | |
openstack | Meeting ended Wed Mar 11 12:01:29 2020 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 12:01 |
openstack | Minutes: http://eavesdrop.openstack.org/meetings/scientific_sig/2020/scientific_sig.2020-03-11-11.00.html | 12:01 |
openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/scientific_sig/2020/scientific_sig.2020-03-11-11.00.txt | 12:01 |
openstack | Log: http://eavesdrop.openstack.org/meetings/scientific_sig/2020/scientific_sig.2020-03-11-11.00.log.html | 12:01 |
b1airo | *cough* | 12:01 |
martial_ | thanks people, see you next time | 12:01 |
b1airo | o/ | 12:01 |
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liuyulong | test | 14:00 |
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liuyulong | #startmeeting neutron_l3 | 14:00 |
openstack | Meeting started Wed Mar 11 14:00:14 2020 UTC and is due to finish in 60 minutes. The chair is liuyulong. Information about MeetBot at http://wiki.debian.org/MeetBot. | 14:00 |
openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 14:00 |
*** openstack changes topic to " (Meeting topic: neutron_l3)" | 14:00 | |
openstack | The meeting name has been set to 'neutron_l3' | 14:00 |
liuyulong | #topic Announcements | 14:00 |
ralonsoh | hi | 14:00 |
*** openstack changes topic to "Announcements (Meeting topic: neutron_l3)" | 14:00 | |
liuyulong | ralonsoh, hi | 14:00 |
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liuyulong | #link http://eavesdrop.openstack.org/meetings/networking/2020/networking.2020-03-10-14.00.log.html#l-10 | 14:01 |
slaweq | hi | 14:01 |
liuyulong | I guess we can skip this topic today, everything was talked yesterday. | 14:02 |
liuyulong | slaweq, hi | 14:02 |
liuyulong | OK, let's move on | 14:02 |
liuyulong | #topic Bugs | 14:02 |
*** openstack changes topic to "Bugs (Meeting topic: neutron_l3)" | 14:02 | |
liuyulong | #link http://lists.openstack.org/pipermail/openstack-discuss/2020-March/013177.html | 14:02 |
liuyulong | Bence was our bug deputy last week. | 14:03 |
liuyulong | So the first one: | 14:03 |
liuyulong | #link https://bugs.launchpad.net/neutron/+bug/1866336 | 14:03 |
openstack | Launchpad bug 1866336 in neutron "Binding of floating ip agent gateway port and agent_id isn't removed " [High,In progress] - Assigned to Slawek Kaplonski (slaweq) | 14:03 |
liuyulong | slaweq is working on this now. | 14:03 |
liuyulong | Code looks good to me, just one small concern about a DB query. : ) | 14:04 |
liuyulong | I have left a comment on the gerrit: | 14:04 |
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ralonsoh | I agree with your comment, but I'm still reviewing the patch | 14:05 |
liuyulong | #link https://review.opendev.org/#/c/711623/3/neutron/db/l3_dvr_db.py@371 | 14:05 |
slaweq | liuyulong: thx, I will check it after today's meetings | 14:05 |
liuyulong | slaweq, yw | 14:05 |
liuyulong | OK, next one | 14:05 |
liuyulong | #link https://bugs.launchpad.net/neutron/+bug/1866560 | 14:06 |
openstack | Launchpad bug 1866560 in neutron "FIP Port forwarding description API extension don't work" [High,In progress] - Assigned to Slawek Kaplonski (slaweq) | 14:06 |
liuyulong | Also assigned to slaweq | 14:06 |
slaweq | yes, this one requires new neutron-lib version | 14:07 |
liuyulong | One small thing is we have 2 bps for this. | 14:07 |
ralonsoh | the correct one related this this RFE is https://blueprints.launchpad.net/neutron/+spec/portforwarding-description | 14:07 |
liuyulong | So since we are still in the developing cycle, I'd like to say we should add this bp link to the commit message to trace all the code. | 14:08 |
slaweq | liuyulong: ok, I will add link to BPs to this patch | 14:09 |
liuyulong | slaweq, sure, so both link are fine to me, you could choose any one you want. : ) | 14:10 |
slaweq | I'm using https://blueprints.launchpad.net/neutron/+spec/fip-pf-description to track this feature | 14:10 |
slaweq | actually I wasn't aware of the other one :) | 14:10 |
liuyulong | Next one, we've discussed last week. | 14:12 |
liuyulong | during the LP bug scanning | 14:12 |
liuyulong | #link #https://bugs.launchpad.net/neutron/+bug/1865891 | 14:12 |
openstack | Launchpad bug 1865891 in neutron "Race condition during removal of subnet from the router and removal of subnet" [Medium,Confirmed] - Assigned to Slawek Kaplonski (slaweq) | 14:12 |
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liuyulong | ralonsoh had left a potential solution | 14:13 |
slaweq | it's exactly like ralonsoh described | 14:13 |
ralonsoh | I tested this possible solution and works | 14:13 |
ralonsoh | I like to use the DB as a lock | 14:13 |
slaweq | ralonsoh: do You have patch for that already? | 14:13 |
ralonsoh | but, of course, this will add some extra time in the process | 14:13 |
ralonsoh | slaweq, I don't but I can propose it | 14:13 |
ralonsoh | do you want me to do this? | 14:14 |
slaweq | ralonsoh: if You can, that would be great | 14:14 |
ralonsoh | perfect | 14:14 |
slaweq | I did debugging process but I didn't propose any patch yet | 14:14 |
slaweq | and btw. it's IMO even Low instead of Medium bug | 14:15 |
slaweq | as it is very unlikly to happen in real world scenario | 14:15 |
liuyulong | ralonsoh, so every port creation will have to check this DB lock? | 14:15 |
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ralonsoh | liuyulong, yes, the transaction will lock any other one modifying/deleting this register | 14:15 |
slaweq | ralonsoh: there is one thing which bothers me with this | 14:16 |
slaweq | is this only related to router's ports? | 14:16 |
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slaweq | or can it be the same when we are creating "regular" ports | 14:16 |
slaweq | (I didn't try to reproduce it with port-create command) | 14:16 |
liuyulong | yes, if it is every port creation, nova may not happy during large sets VM booting. | 14:17 |
ralonsoh | let me check.... but this will work for any port requesting an IP from IPAM | 14:17 |
ralonsoh | yes, that will work for any port creation | 14:18 |
ralonsoh | the subnets will be locked during this process | 14:18 |
slaweq | ralonsoh: if You can push some PS with fix for it, that would be great | 14:18 |
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ralonsoh | slaweq, sure, tomorrow | 14:19 |
slaweq | we can then maybe compare its performance impact on rally job | 14:19 |
slaweq | and see how much cost it has for us :) | 14:19 |
slaweq | what do You think? | 14:19 |
ralonsoh | rally is the best tool for this | 14:19 |
liuyulong | OK, but again, we should find out the balance between we fix that and warn the users not to do that. | 14:20 |
liuyulong | : ) | 14:20 |
ralonsoh | well, that's difficult | 14:20 |
ralonsoh | you can always send a batch of commands | 14:20 |
ralonsoh | of course, this should be executed at the same time | 14:20 |
ralonsoh | but the MUST in our code is reliability | 14:21 |
slaweq | ralonsoh++ | 14:22 |
liuyulong | Make sense | 14:22 |
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liuyulong | OK, next one: | 14:22 |
liuyulong | #link https://bugs.launchpad.net/neutron/+bug/1866077 | 14:22 |
openstack | Launchpad bug 1866077 in neutron "[L3][IPv6] IPv6 traffic with DVR in compute host" [Undecided,Incomplete] | 14:22 |
liuyulong | #link https://bugs.launchpad.net/neutron/+bug/1774463 | 14:23 |
openstack | Launchpad bug 1774463 in neutron "RFE: Add support for IPv6 on DVR Routers for the Fast-path exit " [High,In progress] - Assigned to LIU Yulong (dragon889) | 14:23 |
liuyulong | It is related to the 1774463 as haleyb|away pointed. | 14:23 |
liuyulong | I filed the bug/1866077 is because we found that the IPv6 in dvr mode is missing some address scope mark which will block the traffic from the FIP-namespace. | 14:24 |
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liuyulong | We have a fix of that, and interesting thing is Swami’s patch also does: | 14:26 |
liuyulong | #link https://review.opendev.org/#/c/662111/33/neutron/agent/l3/dvr_local_router.py@628 | 14:26 |
liuyulong | So, I may want to take his patch and continue the work. | 14:26 |
slaweq | liuyulong: that's very old patch :) | 14:26 |
liuyulong | Yes, I've rebased that on the master branch. | 14:27 |
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liuyulong | It is a really nice feature for IPv6 with DVR. | 14:27 |
liuyulong | IPv6 traffic can be distributed if users want to. | 14:28 |
liuyulong | And IPv6 could be the feature, maybe someday IPv4 support will be dropped like py27. : ) | 14:29 |
slaweq | liuyulong: You wish :P | 14:29 |
liuyulong | OK, last one | 14:30 |
liuyulong | #link https://bugs.launchpad.net/neutron/+bug/1866445 | 14:30 |
openstack | Launchpad bug 1732067 in OpenStack Security Notes "duplicate for #1866445 openvswitch firewall flows cause flooding on integration bridge" [Undecided,New] | 14:30 |
liuyulong | It is more like a L2 bug。 | 14:30 |
liuyulong | But the reporter left some thing related to L3 router. | 14:30 |
liuyulong | https://bugs.launchpad.net/neutron/+bug/1866445/comments/3 | 14:30 |
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liuyulong | I have no fully picture about this bug. Will need to have more information about this. | 14:32 |
ralonsoh | I need to check why Yi is claiming about the MAC learning | 14:33 |
liuyulong | OK, that's all bugs from me. | 14:37 |
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slaweq | I want to talk again about one | 14:37 |
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slaweq | https://bugs.launchpad.net/neutron/+bug/1859832 | 14:38 |
openstack | Launchpad bug 1859832 in neutron "L3 HA connectivity to GW port can be broken after reboot of backup node" [Medium,In progress] - Assigned to LIU Yulong (dragon889) | 14:38 |
slaweq | :) | 14:38 |
slaweq | liuyulong: I was again looking at Your patch and testing it | 14:38 |
slaweq | and I still have worries that it may introduce new race conditions and regression during the failover | 14:39 |
slaweq | I wrote it in my reply to Your comment https://review.opendev.org/#/c/707406/9/neutron/agent/l3/keepalived_state_change.py@98 | 14:39 |
liuyulong | The first one has a config option for keepalived, 'vrrp_garp_interval'. | 14:40 |
liuyulong | We talked about that last week. | 14:41 |
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slaweq | yes, but it's interval between garp packets send by keepalived, right? | 14:41 |
liuyulong | But I'm not going to add it to this patch, it will be a follow-up one. | 14:41 |
slaweq | I still don't see how it may solve potential race condition between sending garps and setting interface to be up | 14:42 |
liuyulong | It has 3 times garp for HA router. | 14:44 |
slaweq | yes, but as I said in the reply to Your comment: first one will always fail | 14:45 |
slaweq | second one is after 10 seconds (so 10 seconds of datapath break, right?) and You have no any quarantee that interfaces will be already up then | 14:46 |
slaweq | and third one should be IMO removed from neutron-keepalived-state-change code :) | 14:46 |
liuyulong | The link up action for linux device is not time-consuming, so the first one has config vrrp_garp_interval=1 could be enough. | 14:48 |
liuyulong | The keepalived will send 5 times GARP when it hit the state chagne. | 14:49 |
liuyulong | s/change | 14:49 |
slaweq | and what about longer time of failover? | 14:49 |
liuyulong | So the first one fails due to link not up, wait one second, and next one. | 14:49 |
slaweq | ralonsoh: what do You think? | 14:50 |
ralonsoh | I still think that we should not rely on the garp | 14:50 |
ralonsoh | and using slaweq's patch but implementing liuyulong's linuxinterface change | 14:50 |
liuyulong | And more about this is the out side world has ARP. | 14:51 |
ralonsoh | we can have an easy architecture and we handle all backends | 14:51 |
slaweq | ralonsoh: now I'm a bit lost, I don't understand why we would need my patch with part of the liuyulong's change | 14:52 |
ralonsoh | https://review.opendev.org/#/c/707406/9/neutron/agent/linux/interface.py | 14:52 |
liuyulong | For the 3rd GARP, IMO, remove that is not so much good for neutron. But could move it to L3-agent state change code path, not the sate change deamon. | 14:52 |
ralonsoh | you should implement this change in your patch, slaweq | 14:52 |
slaweq | ralonsoh: but why? | 14:53 |
ralonsoh | to handle all possible interfaces | 14:53 |
ralonsoh | ovs, lb, etc | 14:53 |
ralonsoh | this is the main problem you see in your patch | 14:53 |
slaweq | ralonsoh: ok, I think I need to talk offline with You about it later :) | 14:54 |
ralonsoh | sure | 14:54 |
slaweq | I don't want to stole all remaining time so please continue with other topics now | 14:55 |
liuyulong | OK, we could continue the code discussion on the patch set. | 14:58 |
liuyulong | Actually we have no much time now. | 14:58 |
slaweq | liuyulong: yes :) | 14:58 |
liuyulong | #topic On demand agenda | 14:58 |
*** openstack changes topic to "On demand agenda (Meeting topic: neutron_l3)" | 14:58 | |
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liuyulong | Alright, let's end here. | 14:59 |
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liuyulong | Thank you guys. | 14:59 |
liuyulong | Bye | 14:59 |
liuyulong | #endmeeting | 14:59 |
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 14:59 | |
openstack | Meeting ended Wed Mar 11 14:59:37 2020 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 14:59 |
openstack | Minutes: http://eavesdrop.openstack.org/meetings/neutron_l3/2020/neutron_l3.2020-03-11-14.00.html | 14:59 |
openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/neutron_l3/2020/neutron_l3.2020-03-11-14.00.txt | 14:59 |
openstack | Log: http://eavesdrop.openstack.org/meetings/neutron_l3/2020/neutron_l3.2020-03-11-14.00.log.html | 14:59 |
slaweq | #startmeeting neutron_ci | 15:00 |
ralonsoh | bye | 15:00 |
openstack | Meeting started Wed Mar 11 15:00:08 2020 UTC and is due to finish in 60 minutes. The chair is slaweq. Information about MeetBot at http://wiki.debian.org/MeetBot. | 15:00 |
openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 15:00 |
slaweq | hi | 15:00 |
*** openstack changes topic to " (Meeting topic: neutron_ci)" | 15:00 | |
openstack | The meeting name has been set to 'neutron_ci' | 15:00 |
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ralonsoh | hello | 15:00 |
slaweq | please give me 2 minutes before we will really start | 15:00 |
njohnston | o/ | 15:01 |
slaweq | ups, sorry but I started it on wrong channel | 15:01 |
slaweq | #endmeeting | 15:01 |
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 15:01 | |
openstack | Meeting ended Wed Mar 11 15:01:49 2020 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 15:01 |
openstack | Minutes: http://eavesdrop.openstack.org/meetings/neutron_ci/2020/neutron_ci.2020-03-11-15.00.html | 15:01 |
openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/neutron_ci/2020/neutron_ci.2020-03-11-15.00.txt | 15:01 |
openstack | Log: http://eavesdrop.openstack.org/meetings/neutron_ci/2020/neutron_ci.2020-03-11-15.00.log.html | 15:01 |
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timburke | #startmeeting swift | 21:00 |
openstack | Meeting started Wed Mar 11 21:00:09 2020 UTC and is due to finish in 60 minutes. The chair is timburke. Information about MeetBot at http://wiki.debian.org/MeetBot. | 21:00 |
openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 21:00 |
*** openstack changes topic to " (Meeting topic: swift)" | 21:00 | |
openstack | The meeting name has been set to 'swift' | 21:00 |
timburke | who's here for the swift meeting? | 21:00 |
seongsoocho | o/ | 21:00 |
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mattoliverau | o/ | 21:00 |
tdasilva | o/ | 21:00 |
rledisez | o/ | 21:00 |
alecuyer | o/ | 21:00 |
kota_ | o/ | 21:01 |
timburke | agenda's at https://wiki.openstack.org/wiki/Meetings/Swift | 21:01 |
timburke | i've got a couple things to point out before we get to updates, though | 21:01 |
timburke | there's an interesting call to "consolidate" on the ML: http://lists.openstack.org/pipermail/openstack-discuss/2020-March/013236.html | 21:02 |
timburke | i'm not sure what exactly that will mean in practice, or whether we'd even be impacted by it, but i figure it's a thread to be aware of | 21:02 |
timburke | pretty sure i mentioned it in -swift, but in case you missed it, after Victoria, we'll have Wallaby: http://lists.openstack.org/pipermail/openstack-discuss/2020-March/013006.html | 21:03 |
timburke | and it looks like they've approved the schedule for Victoria: https://releases.openstack.org/victoria/schedule.html | 21:04 |
timburke | that's all i've got for general openstack news -- any questions or comments? | 21:05 |
mattoliverau | so many links to get lost reading :P | 21:05 |
timburke | hehe sorry -- i can wait a bit :-) | 21:06 |
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timburke | all right, on to updates! | 21:08 |
timburke | #topic waterfall EC | 21:08 |
*** openstack changes topic to "waterfall EC (Meeting topic: swift)" | 21:08 | |
timburke | i don't know that clayg's actually around right now... | 21:08 |
zaitcev | Poke him harder. | 21:08 |
timburke | but he's been hard at work trying to figure out what we'd want out of something similar to concurrent gets but for EC | 21:09 |
zaitcev | I often forget about our meeting. | 21:09 |
timburke | turns out, it's a bit of a mess | 21:09 |
timburke | part of the trouble is that we've *also* got some logic where if we start hitting read timeouts, the proxy will try to find another node to read from | 21:11 |
timburke | to make that still work with EC we put each "frag lane" (as clayg's been calling them) in its own ResumingGetter | 21:12 |
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timburke | but then there's *also* logic to have us spin up more than ndata frag lanes in some cases (specifically, when a single node may have more than one frag due to rebalances) | 21:13 |
timburke | so... like i said, it's a bit of a mess. it might be a bit before there's a patch that'd actually be ready to merge. and we might come asking you guys about trade-offs that we might make | 21:14 |
alecuyer | Thanks for explaining these bits already, I'm not familiar with that logic | 21:15 |
zaitcev | I don't understand why we cannot request 2 fragments from the same node in the same time. We do exactly that for PUT, don't we? | 21:15 |
timburke | we can, following https://review.opendev.org/#/c/215276/ | 21:18 |
patchbot | patch 215276 - swift - Enable object server to return non-durable data (MERGED) - 43 patch sets | 21:18 |
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timburke | i'm not sure that we do for PUT, though... oh, except i was saying "node" when i really meant "disk" | 21:18 |
kota_ | so it means each frag-lane needs to get ndata fragments to decode each segment, hmm | 21:19 |
timburke | i was talking to clay about this a bit yesterday; if i understood him right, the models is more like each frag-lane is responsible for getting one frag ready and reading it, and we need ndata frag-lanes to respond | 21:21 |
kota_ | even the segment that is decoded is just different from other frag-lane's ones like concurrent gets, isn't it? | 21:21 |
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timburke | but since they're all sharing the same node_iter, it gets messy trying to spawn off extra requests | 21:22 |
kota_ | hmm | 21:22 |
timburke | like, if if we have a 3+2 policy, you might spin up lanes A, B, and C ... all of which are kinda sluggish to respond. so the concurrency timeout pops and you... do what? the cheap thing is to have each lane spawn another request: A', B', C' | 21:24 |
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timburke | but then you still can't respond even if you've got A, B, and A' in hand, since A and A' are in the same "lane" | 21:25 |
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timburke | and meanwhile, C' must be going to a handoff, which we don't expect to have anything useful anyway | 21:26 |
timburke | otoh, you could spin up new lanes D and E... but then we lose the ResumingGetter behavior of going to another disk when there's a read timeout mid-stream | 21:27 |
kota_ | i see | 21:27 |
timburke | anyway, clayg's got a couple exploratory patches up: p 709326 and p 711342 | 21:28 |
patchbot | https://review.opendev.org/#/c/709326/ - swift - Enable more concurrency for EC GET - 2 patch sets | 21:28 |
patchbot | https://review.opendev.org/#/c/711342/ - swift - wip: asyc concurrent ecfragfetcher - 2 patch sets | 21:28 |
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timburke | and there's probably some more history i could dig up to remind us how we got here and what was informing our design decisions at the time, so we could sanity-check that those assumptions/goals are still valid | 21:29 |
timburke | but i don't have that all collected right now -- i'll try to get some stuff together for next week or the week after, maybe start an etherpad | 21:29 |
timburke | #topic lots of small files | 21:30 |
*** openstack changes topic to "lots of small files (Meeting topic: swift)" | 21:30 | |
timburke | rledisez, alecuyer how's it going? should i be getting the feature branch up-to-date? | 21:30 |
rledisez | so, last week alecuyer worked on the new key format to save CPU. it's mostly done. for the comoing week, he will work on the algorithm to select the volume where to write an incoming object | 21:31 |
rledisez | I'll take some time to try to merge master in the feature branch | 21:31 |
rledisez | I think last time I checked (few weeks ago), there were minor conflicts, nothing big IIRW | 21:32 |
timburke | sounds great! thanks for keeping us updated | 21:32 |
timburke | anything else you need from us? things to review, or even just to be thinking about? | 21:32 |
rledisez | alecuyer: ^ | 21:32 |
alecuyer | I don't think so yet (although of course any advice or comment is helpful!), | 21:33 |
timburke | 👍 | 21:33 |
timburke | #topic CORS | 21:34 |
*** openstack changes topic to "CORS (Meeting topic: swift)" | 21:34 | |
alecuyer | I'll try to push what has been done so far on the feature branch once we get it rebased with romain? | 21:34 |
timburke | yeah, that sounds great | 21:34 |
timburke | so i've been getting CORS loaded back into my head -- the last time i gave it much thought was when torgomatic was poking at pulling it out to middleware in https://review.opendev.org/#/c/528106/ | 21:35 |
patchbot | patch 528106 - swift - Move CORS to middleware. - 5 patch sets | 21:35 |
kota_ | "updated: 2years, 2 months ago" oh | 21:36 |
timburke | at the time, i started trying to write some functional tests -- https://review.opendev.org/#/c/533028/ | 21:36 |
patchbot | patch 533028 - swift - Add some functional CORS tests - 7 patch sets | 21:36 |
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timburke | which have proven really useful in getting myself familiar with the browser model and how these three agents (swift, browser, and some third-party js) interact | 21:37 |
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timburke | in the most-recent patchset, i've even got a test script that will spin up a webserver running on localhost, use selenium to drive a variety of browsers, run the tests, and print out some results | 21:38 |
zaitcev | wow | 21:39 |
kota_ | great | 21:39 |
timburke | next up, i need to figure out how to run that as a gate job | 21:39 |
timburke | now, the end goal (for me) is to get some app that works with S3 to also work against Swift | 21:40 |
timburke | i'm not actually 100% sure what this app is, or how it's used, though :-( hopefully i'll be able to get more details on that in the next week or so | 21:41 |
timburke | but toward that end, i started poking at adding some s3api CORS tests in https://review.opendev.org/#/c/710354/ | 21:41 |
patchbot | patch 710354 - swift - Add CORS func tests for s3api - 3 patch sets | 21:41 |
timburke | and fixing up s3api so they can actually pass | 21:42 |
timburke | in https://review.opendev.org/#/c/710330/ and https://review.opendev.org/#/c/710355/ | 21:42 |
patchbot | patch 710330 - swift - s3api: Pass through CORS headers - 2 patch sets | 21:43 |
patchbot | patch 710355 - swift - s3api: Allow CORS preflight requests - 4 patch sets | 21:43 |
zaitcev | Maybe some kind of gallery? | 21:43 |
timburke | well, the pass/fail output looks something like http://paste.openstack.org/show/790568/ | 21:44 |
kota_ | looks nice | 21:45 |
timburke | i originally wanted to get it working more like/with unittest, but... that went poorly (rife with import side-effects, overall pretty terrible) | 21:45 |
timburke | i settled on TAP (https://en.wikipedia.org/wiki/Test_Anything_Protocol) mainly for its simplicity | 21:46 |
timburke | so, i've got a bunch of stuff that i think is ready for review... but my bigger question at the moment is: does anyone else have much interest in CORS? | 21:47 |
zaitcev | It used to be more important when Swift was supposed to back websites, like images or geo data. | 21:48 |
timburke | honestly, if it weren't for this one user, i probably would've continued ignoring it | 21:48 |
zaitcev | What does that user do, unless it's a secret? | 21:48 |
rledisez | we rarely got requests/complaints, but some people use it for sure | 21:49 |
timburke | i don't remember! notmyname's been the main contact -- i need to cut out the middleman ;-) | 21:49 |
rledisez | that said, I like the idea of a middleware for that | 21:50 |
timburke | basically, i'm trying to figure out whether i should be bugging you all for reviews, or just clayg and tdasilva :P | 21:50 |
rledisez | side question: does anybody already measured the cost of a middleware? (thinking of latency) | 21:50 |
timburke | i've not -- though i'd expect it will tend to vary a lot with the middleware and its scope of responsibility | 21:51 |
rledisez | timburke: of course. I was more thinking of the basic noop middleware, just the overhead of having a middleware in the pipeline | 21:52 |
rledisez | it was jus crossing my mind, it's probably negligible | 21:53 |
* timburke nods | 21:53 | |
timburke | extra function calls add up, for sure | 21:53 |
timburke | oh yeah, and while investigating all of this CORS stuff, i noticed that it can be used to check whether encryption is enabled or not -- https://review.opendev.org/#/c/712237/ should fix it, though | 21:53 |
patchbot | patch 712237 - swift - encryption: Expose decrypted metadata via CORS - 2 patch sets | 21:53 |
timburke | ok, want to still have some time for discussion, so | 21:54 |
timburke | #topic open discussion | 21:54 |
*** openstack changes topic to "open discussion (Meeting topic: swift)" | 21:54 | |
timburke | anything else to bring up? | 21:54 |
rledisez | just one thing on MD5 "replacement" | 21:55 |
zaitcev | I had some strange case reviewing one of rledisez' patches. | 21:55 |
rledisez | well, forget it, it's so unclear in my head right now that I can't even formulate my point. i'll think more :) | 21:56 |
zaitcev | Running tox -e py27 has a bad case of tests interfering: it only fails when testing all-up, but not individually. | 21:56 |
timburke | rledisez, next week :-) | 21:56 |
rledisez | zaitcev: yeah, I saw your comment, thx for trying it out, I spent so much time trying to figure out what could happen | 21:56 |
zaitcev | https://review.opendev.org/704892 | 21:56 |
patchbot | patch 704892 - swift - proxy: stop sending frags to PyECLib with a Queue - 1 patch set | 21:56 |
timburke | zaitcev, yeah, rledisez called out the trouble before -- we're suspecting some kind of eventlet shenanigans? gotta dig in some more though; definitely a blocker to merging as-is | 21:57 |
zaitcev | It all seems to have something to do with StopIteration leaking somewhere. Seems like those queues isolated callers from it. But with yields all over I cannot track who calls what. Well, not at a glance. | 21:57 |
zaitcev | ok | 21:58 |
zaitcev | seems like a tactical scale problem, just annoyingly slippery | 21:58 |
zaitcev | well, I need to go | 21:58 |
timburke | yeah, it's getting to be that time | 21:59 |
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timburke | just, one last announcement: today is the last day of SwiftStack! tomorrow, clayg, tdasilva, notmyname and myself will all be nvidians | 21:59 |
rledisez | the king is dead long live the king! | 21:59 |
timburke | it's been a crazy ride, and i can't wait to see where this next part of the journey takes us :-) | 21:59 |
rledisez | have fun, all of you, new challenges for sure :) | 22:00 |
timburke | all right | 22:00 |
timburke | thank you all for coming, and thank you for working on swift! | 22:00 |
timburke | #endmeeting | 22:00 |
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 22:00 | |
openstack | Meeting ended Wed Mar 11 22:00:45 2020 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 22:00 |
openstack | Minutes: http://eavesdrop.openstack.org/meetings/swift/2020/swift.2020-03-11-21.00.html | 22:00 |
openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/swift/2020/swift.2020-03-11-21.00.txt | 22:00 |
openstack | Log: http://eavesdrop.openstack.org/meetings/swift/2020/swift.2020-03-11-21.00.log.html | 22:00 |
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