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| belmoreira | #startmeeting large_scale_sig | 15:00 |
|---|---|---|
| openstack | Meeting started Wed Mar 10 15:00:24 2021 UTC and is due to finish in 60 minutes. The chair is belmoreira. Information about MeetBot at http://wiki.debian.org/MeetBot. | 15:00 |
| openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 15:00 |
| *** openstack changes topic to " (Meeting topic: large_scale_sig)" | 15:00 | |
| openstack | The meeting name has been set to 'large_scale_sig' | 15:00 |
| belmoreira | hello everyone. Welcome to the Large Scale SIG meeting | 15:00 |
| belmoreira | #topic Rollcall | 15:01 |
| *** openstack changes topic to "Rollcall (Meeting topic: large_scale_sig)" | 15:01 | |
| mdelavergne | Hi! | 15:01 |
| genekuo | o/ | 15:01 |
| belmoreira | o/ | 15:01 |
| imtiazc | Hi | 15:01 |
| belmoreira | hello. ttx can't join today, so I'm charing the meeting | 15:02 |
| genekuo | Thanks! | 15:02 |
| belmoreira | Our agenda for today is at: | 15:02 |
| belmoreira | #link https://etherpad.openstack.org/p/large-scale-sig-meeting | 15:03 |
| belmoreira | #topic Action items review | 15:03 |
| *** openstack changes topic to "Action items review (Meeting topic: large_scale_sig)" | 15:03 | |
| belmoreira | ttx is not here but he left comments on etherpad - agenda | 15:03 |
| belmoreira | Leaving them here for the minutes. Let me know if you have any comment | 15:03 |
| belmoreira | * ttx to contact OpenStack TC re: OSarchiver and see which option sounds best | 15:03 |
| belmoreira | From the etherpad: "Done, see logs at:" | 15:04 |
| belmoreira | #link http://eavesdrop.openstack.org/meetings/tc/2021/tc.2021-02-18-15.01.log.html#l-166" | 15:04 |
| belmoreira | * ttx to summarize "how many compute nodes in your typical cluster" thread into the wiki | 15:04 |
| belmoreira | From the etherpad: "Done at:" | 15:04 |
| belmoreira | #link https://wiki.openstack.org/wiki/Large_Scale_SIG/ScaleUp | 15:04 |
| belmoreira | * ttx to create a wiki page for Ceph-related questions and seed it with SG questions | 15:04 |
| belmoreira | From the etherpad: "Done at:" | 15:04 |
| belmoreira | #link https://wiki.openstack.org/wiki/Large_Scale_SIG/CephAndOpenStack | 15:05 |
| belmoreira | if no one has comments, let's move to the next topic | 15:05 |
| belmoreira | #topic Discussing CentOS Stream | 15:06 |
| *** openstack changes topic to "Discussing CentOS Stream (Meeting topic: large_scale_sig)" | 15:06 | |
| imtiazc | We all know that the OpenStack technical group and governing body has decided to go with CentOS 8 Stream after CentOS 8 hit EOL. The questions we have are: | 15:06 |
| imtiazc | 1. Stability: As an operator how do I know which version of Stream is "stable". How are you all planning to test and perform updates? | 15:06 |
| imtiazc | 2. Hardware compatibility: Hardware support usually comes from RedHat. How do ensure certain | 15:06 |
| imtiazc | Version of the Stream is compatible. | 15:06 |
| imtiazc | 3. Security: Since there is no SLO for when fix for a CVE will be release on the Stream, what plan should we follow? | 15:07 |
| imtiazc | Does anyone have any test methodology of framework? | 15:07 |
| belmoreira | These are defenitly good questions and a concern for everyone running CentOS | 15:07 |
| genekuo | I know we decided to go CentOS Stream in the future, but OS, security stuff is handle by other teams so I currently don't know the details | 15:08 |
| belmoreira | CERN statement regarding CentOS 8 end-of-life and CentOS stream can be found at: | 15:08 |
| belmoreira | #link https://linux.web.cern.ch/centos8/ | 15:08 |
| genekuo | Let me ask other team about these question to see how they handle these issue | 15:09 |
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| imtiazc | @belmoreira: How are you planning to test the snapshots ? | 15:09 |
| belmoreira | imtiazc I'm not directly involved with the Operating Systems team. But there are several discussions on how to move forward. For CERN this doesn't affects the Cloud Infrastructure but all the organization, including the experiments infrastructures and software | 15:11 |
| jangutter | belmoreia: is your cloud infra based on CentOS 7? | 15:12 |
| belmoreira | ... doesn't affects only the ... | 15:12 |
| genekuo | LINE infra is currently based on CentOS 7 | 15:13 |
| imtiazc | Do you know what stable OpenStack release comes out on which version of the CentOS Stream? | 15:13 |
| belmoreira | jangutter all the compute nodes are in CentOS 7 and the control plane started be be migrated to CentOS 8 before the end-of-life change | 15:13 |
| jangutter | belmoreia: thanks! | 15:13 |
| belmoreira | imtiazc RDO is moving to stream | 15:15 |
| jangutter | (OpenStack TC published the tested runtimes here: https://governance.openstack.org/tc/reference/runtimes/xena.html. It's still uncertain if Wallaby is going to be retrofitted to Stream, but the RDO project has already indicated so). | 15:15 |
| belmoreira | imitiazc from a talk in FOSDEM, Wallaby will be released for CentOS Stream 8 | 15:16 |
| belmoreira | #link: https://wiki.centos.org/Events/Dojo/FOSDEM2021?action=AttachFile&do=view&target=openstack_pena_moraejo.pdf | 15:17 |
| belmoreira | and early releases will be tested on Stream as well | 15:17 |
| belmoreira | imtiazc do you already have a plan? or still considering the options | 15:18 |
| imtiazc | We are moving ahead with our plan to deploy with Victoria on CentOS 8. We now have to consider moving to Stream after 8 EOL | 15:19 |
| belmoreira | for the compute nodes you upgraded from CentOS 7 or they are new clusters? | 15:21 |
| imtiazc | These will be new clusters | 15:21 |
| imtiazc | Which release is CERN is using now? | 15:22 |
| jangutter | I guess my concern is the added burden of maintaining older versions of OpenStack on newer versions of Stream. Stable branches are going to have a lot more churn than in the past. | 15:23 |
| belmoreira | imtiazc we are running Stein for Nova. Other projects are in Ussuri or Victoria | 15:23 |
| imtiazc | Thanks for that. | 15:25 |
| belmoreira | jangutter true. But at least CentOS 7 end-of-life dind't change which also is important because the python 2/3 change | 15:25 |
| belmoreira | something else regarding this topic? | 15:27 |
| imtiazc | I guess not. Can you keep us posted on how we can agree on a common strategy or test methodology? | 15:28 |
| belmoreira | I think we will learn more about Stream and gain more confidence over time | 15:28 |
| imtiazc | We shall share our experience as well :) | 15:29 |
| belmoreira | "common strategy or test methodology" I think is very particular to each environment. For example for CERN one of the main concerns is all the operational and scientific software for experiments. Extensive tests will be required. | 15:30 |
| belmoreira | I will keep the SIG posted if we have any update | 15:31 |
| belmoreira | #topic Video meetings | 15:31 |
| *** openstack changes topic to "Video meetings (Meeting topic: large_scale_sig)" | 15:31 | |
| belmoreira | We had our first video meeting 2 weeks ago. | 15:32 |
| belmoreira | More than 30 people participated. I think it was a great discussion. | 15:32 |
| belmoreira | What's your opinion? | 15:32 |
| mdelavergne | Yep, great discussion, great to see a lot of people in the SIG :) | 15:32 |
| mdelavergne | Presentation was nice too ;) | 15:32 |
| genekuo | More people join than I expected | 15:33 |
| belmoreira | thanks mdelavergne | 15:33 |
| imtiazc | I love the video format as well. I thought it was a great discussion! | 15:34 |
| belmoreira | I think we should try to have another video meeting in 2 weeks | 15:34 |
| imtiazc | +1 | 15:34 |
| belmoreira | We collected some ideas few meetings ago: | 15:34 |
| belmoreira | #link https://etherpad.opendev.org/p/large-scale-sig-lightning-talks | 15:34 |
| belmoreira | I would prefer to not do the introduction presentation next time | 15:35 |
| belmoreira | What should be the discussion topic and who would like to do the introduction presentation? | 15:36 |
| mdelavergne | Everyone is suddenly hidden in bushes | 15:37 |
| genekuo | I'm trying to find out which topic is better to present using our case | 15:38 |
| belmoreira | in the agenda "Piortr" asked about multitenant Neutron scaling | 15:38 |
| genekuo | Maybe I can introduce how we do multi-tenant using SRv6 | 15:40 |
| genekuo | But we're currently only running it in a small cluster, not exactly sure how it will scale | 15:40 |
| genekuo | And the plugin isn't under upstream repo yet | 15:40 |
| belmoreira | genekuo For this topic I was thinking more about Neutron scalability issues... and the workarounds | 15:41 |
| belmoreira | is anyone willing to talk about the experience? | 15:42 |
| belmoreira | From the last meeting I think 10min presentation is enough to pace the discussion after | 15:42 |
| genekuo | I can probably talk about how we setup and what metrics we monitor for rabbitmq | 15:43 |
| belmoreira | other topic that can be very interesting is RabbitMQ scalling | 15:43 |
| genekuo | but I'll have to ask for permission first | 15:43 |
| imtiazc | Our neutron experience is very specific to Contrail. | 15:44 |
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| belmoreira | genekuo that would be great | 15:44 |
| genekuo | We're using our plugin similar to Calico that uses BGP and without multi-tenancy, so the neutron topic might not fit our use case. | 15:45 |
| genekuo | belmoreira, let me ask my manager for clearance tomorrow | 15:45 |
| belmoreira | #action genekuo will inform us if he can do a short presentation about "Scalling RabbitMQ" in the next SIG video meeting | 15:47 |
| belmoreira | genekuo, thanks let us know | 15:47 |
| genekuo | I will | 15:47 |
| belmoreira | I think this will be a great topic | 15:48 |
| belmoreira | let's move on... | 15:48 |
| belmoreira | #topic OSarchiver | 15:48 |
| *** openstack changes topic to "OSarchiver (Meeting topic: large_scale_sig)" | 15:48 | |
| belmoreira | I think amorin is not around | 15:48 |
| mdelavergne | Probably not, considering what happened at OVH | 15:49 |
| genekuo | Yeah | 15:49 |
| belmoreira | yes | 15:50 |
| belmoreira | This was discussed in the TC meeting. Should be discussed with amorin in a future meeting | 15:50 |
| belmoreira | #topic Progress/Blockers on documenting the Large Scale Journey | 15:51 |
| *** openstack changes topic to "Progress/Blockers on documenting the Large Scale Journey (Meeting topic: large_scale_sig)" | 15:51 | |
| belmoreira | * Stage 1 - Configure (amorin) | 15:51 |
| belmoreira | #link https://wiki.openstack.org/wiki/Large_Scale_SIG/Configure | 15:51 |
| belmoreira | we skip the report | 15:52 |
| belmoreira | * Stage 2 - Monitor (genekuo) | 15:52 |
| belmoreira | #link https://wiki.openstack.org/wiki/Large_Scale_SIG/Monitor | 15:52 |
| genekuo | I've added a short answer to 2 of the questions | 15:52 |
| belmoreira | great | 15:52 |
| belmoreira | * Stage 3 - Scale Up (ttx) | 15:52 |
| belmoreira | #link https://wiki.openstack.org/wiki/Large_Scale_SIG/ScaleUp | 15:53 |
| belmoreira | we skip the report | 15:53 |
| belmoreira | # Stage 4/5 - Scale Out, upgrade & maintain (belmoreira) | 15:53 |
| belmoreira | #link https://wiki.openstack.org/wiki/Large_Scale_SIG/ScaleOut | 15:53 |
| belmoreira | #link https://wiki.openstack.org/wiki/Large_Scale_SIG/UpgradeAndMaintain | 15:53 |
| belmoreira | I didn't include nothing new since the last meeting | 15:53 |
| genekuo | I think it will be good to add the link to video in that page | 15:53 |
| genekuo | recording of last video meeting | 15:54 |
| belmoreira | fell free to add all your comments, questions/answers in this knowledge base | 15:54 |
| belmoreira | genekuo the video link is the main SIG page. I will add the slides later | 15:55 |
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| genekuo | Ah, ok, just saw it | 15:55 |
| belmoreira | #topic Next meeting | 15:55 |
| *** openstack changes topic to "Next meeting (Meeting topic: large_scale_sig)" | 15:55 | |
| belmoreira | Our next meeting should be in two weeks. | 15:55 |
| belmoreira | keep in mind that US will have moved to DST and Europe not yet | 15:55 |
| belmoreira | and we will try to have another video meeting. | 15:56 |
| belmoreira | #info March 24th, 15UTC | 15:56 |
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| belmoreira | #info Next meeting will be a Zoom meeting (usual time, link to be posted a few days before) with topic: "Scaling RabbitMQ". genekuo will check if he can do the intro talk | 15:57 |
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| belmoreira | #topic Open discussion | 15:57 |
| *** openstack changes topic to "Open discussion (Meeting topic: large_scale_sig)" | 15:57 | |
| belmoreira | is there something else to discuss? | 15:58 |
| genekuo | None from me | 15:58 |
| mdelavergne | Me neither | 15:58 |
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| belmoreira | thanks a lot. See you in 2 weeks for the next video discussion | 15:59 |
| mdelavergne | Thanks! | 15:59 |
| genekuo | THanks! | 15:59 |
| belmoreira | #endmeeting | 15:59 |
| *** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 15:59 | |
| openstack | Meeting ended Wed Mar 10 15:59:40 2021 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 15:59 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/large_scale_sig/2021/large_scale_sig.2021-03-10-15.00.html | 15:59 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/large_scale_sig/2021/large_scale_sig.2021-03-10-15.00.txt | 15:59 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/large_scale_sig/2021/large_scale_sig.2021-03-10-15.00.log.html | 15:59 |
| mdelavergne | See you! | 15:59 |
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