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| evrardjp | o/ | 07:37 |
|---|---|---|
| openstackgerrit | Merged openstack/governance master: check-review-status: update age calc https://review.opendev.org/684784 | 07:40 |
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| ricolin | o/ | 07:47 |
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| evrardjp | I will miss part of the office hours, sorry for that | 08:52 |
| evrardjp | o/ | 08:59 |
| ttx | o/ | 09:02 |
| ttx | office hours! woohoo! | 09:02 |
| evrardjp | wooot | 09:02 |
| evrardjp | how was your nordic trip ? | 09:03 |
| ttx | It was good! Met with some interesting people trying to build more sustainable infrastructure | 09:03 |
| ttx | I have one topic to discuss... telemetry! | 09:03 |
| ttx | There are growing concerns with the state of that stack, especially its dependency on Gnocchi, which appears to be unmaintained | 09:04 |
| ttx | as hinted at the bottom of https://github.com/gnocchixyz/gnocchi/pull/1047 | 09:05 |
| ttx | We had some discussion of converging Monasca and Telemetry back in April, but I don't think that went anywhere | 09:06 |
| ttx | Thoughts? | 09:06 |
| ricolin | o/ | 09:09 |
| ricolin | ttx another issue with Telemetry is Aodh didn't sync up with Gnocchi that makes cpu_util broken since Stein | 09:13 |
| ricolin | see http://lists.openstack.org/pipermail/openstack-discuss/2019-August/008541.html | 09:13 |
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| ricolin | witek is working on improve Monasca to cover most use cases we been using Telemetry like self-healing with Monasca or installs and enables per default libvirt monitoring in Monasca DevStack plugin | 09:16 |
| ttx | ok | 09:17 |
| ricolin | Monasca can already cover Autoscaling use cases | 09:19 |
| lxkong | ricolin: just to clarify, problem is not 'Aodh didn't sync up with Gnocchi', truth is, people just find it very difficult to implement the same function as previous ceilometer 'cpu_util' in Gnocchi. | 09:19 |
| ricolin | lxkong, sorry for the poor choose of words. Thanks for help that out. We're on the same page:) | 09:21 |
| ricolin | lxkong, the new Gnocchi cpu metering is also not implemented in Aodh too | 09:22 |
| evrardjp | ttx: would focusing on prometheus exporters for some software work for people? | 09:23 |
| lxkong | Gnocchi is hard | 09:23 |
| evrardjp | because it decouples the problem differently | 09:23 |
| ricolin | lxkong, is your team test on any other monitoring tools? | 09:23 |
| ricolin | like Monsca or prometheus? | 09:24 |
| lxkong | nope, we are using Icinga for internal system monitoring. We are using Ceilometer for metering, Aodh for notification | 09:24 |
| lxkong | we don't use Gnocchi | 09:25 |
| lxkong | our concerns for Monasca is it's using Kafka and Time Series Databases(accoding to the doc) which are not deployed in our stack | 09:25 |
| evrardjp | lxkong: what's in your stack? | 09:26 |
| ttx | evrardjp: I feel like weaknesses in the stack are worth discussing at the TC session at the PTG | 09:27 |
| evrardjp | ttx: agreed | 09:27 |
| ricolin | ttx definitely | 09:27 |
| lxkong | evrardjp: all our services are using rabbitmq and mysql, deploying kafka and Time Series Database dedicated for Monasca sounds a bit scary :-) | 09:27 |
| ttx | we have a number of tools at our disposal to push in a given direction, but there is no clear direction on some of those | 09:27 |
| evrardjp | lxkong: I get that :) | 09:28 |
| ricolin | lxkong, for performance concerns or stability? | 09:28 |
| ricolin | or upgrade? | 09:28 |
| ttx | ricolin: complexity I'd say | 09:28 |
| lxkong | expertise | 09:28 |
| ricolin | lxkong, got it | 09:29 |
| lxkong | well, sorry for chiming in | 09:30 |
| * lxkong goes to bed | 09:31 | |
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| ricolin | ttx I suggest the PTG session is not only for maintain Telemetry but also discuss about overall Metering (and it's long term maintain) across OpenStack | 09:31 |
| ricolin | lxkong, NP | 09:31 |
| ttx | sure. taking a step back | 09:31 |
| ricolin | lxkong, will ask witek to bothering you while you asleep! | 09:31 |
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| asettle | o/ | 10:34 |
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| jroll | lxkong: don't be sorry, we appreciate you chiming in :) | 11:01 |
| jroll | ++ for discussing metering, we've put off upgrading the telemetry stack due to these unknowns | 11:02 |
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| ttx | you're not the only ones | 11:43 |
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| evrardjp | I have the impression we are attending the birth of telemetry 2.0 | 12:02 |
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| gmann | o/ | 12:24 |
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| * mnaser is in the school of thought of "lets just let ceilometer move on and use the newer tool that have emerged" | 12:50 | |
| mnaser | i.e. prom | 12:50 |
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| tosky | prom? | 12:57 |
| jroll | prometheus | 12:58 |
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| dhellmann | yeah, this doesn't seem like an area where we want to reinvent just because we could | 13:13 |
| dhellmann | it turns out that metrics a hard problem to solve at any real scale | 13:13 |
| mugsie | yeah - metrics + tracing I am of the opinion we should conform to the emerging standards (prometheous + jeager / opentracing) | 13:28 |
| dhellmann | ++ | 13:31 |
| evrardjp | agreed | 13:31 |
| cloudnull | o/ | 13:41 |
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| ttx | I tend to agree but I'm not seeing any significant progress in that direction either | 13:45 |
| mugsie | I think it is something we would have to drive | 13:45 |
| smcginnis | Cycle goal? | 13:47 |
| mugsie | I think multi cycle goal | 13:48 |
| mugsie | maybe a sig / pop up team | 13:48 |
| mugsie | they would need to produce the colateral for usage by teams, and then educate the teams why | 13:49 |
| mugsie | some tried in nova this cycle (or maybe last) and I don't think it went well | 13:49 |
| zaneb | I don't disagree, but the job of Telemetry in OpenStack is to produce *userspace* metrics/alarms in a multi-tenant way | 13:51 |
| zaneb | I would humbly suggest that the word "just" doesn't have a place in this conversation ;) | 13:52 |
| mugsie | zaneb: sure - the multi tenant thing is more interesting - but I would suggest building on top of the current solutions, not inventing our own. afaik most of the tools even support gnochi as a data store now | 13:57 |
| mugsie | and no, "just" is understating it a bit | 13:57 |
| zaneb | +1 for building on top of prometheus | 13:58 |
| mugsie | I can even think of a few ways we could do multi tenant, but would need to test and prove it out first | 13:59 |
| jroll | something like "magnum for prometheus"? | 14:00 |
| mugsie | I was thinking of a centralised one | 14:01 |
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| mriedem | mugsie: nova re https://review.opendev.org/#/c/640688/ | 14:02 |
| mugsie | mriedem: thanks, I was lookig for that | 14:03 |
| mugsie | honestely, dansmith 's last comment sums up my views | 14:04 |
| mugsie | (I know the -2 was procedural, not a block) | 14:04 |
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| coreycb | hi all, please could we get a wider vote on https://review.opendev.org/#/c/686253/? it's needed for the train cycle. | 14:48 |
| coreycb | it's a rollcall-vote | 14:48 |
| asettle | tc-members ^ | 14:49 |
| jungleboyj | Thanks. Will take a look. | 14:49 |
| jroll | easy enough :) | 14:52 |
| evrardjp | probably need more eyes on https://review.opendev.org/#/c/686251/ too | 14:53 |
| mugsie | aye - that needs to merge first | 14:54 |
| njohnston | I guess the Depends-On isn't working since the linter job in 686253 is breaking because it doesn't see the change from 686251 | 14:55 |
| mugsie | it won't for the project config repo afaik - due to the special status of the repo | 14:55 |
| jroll | correct | 14:55 |
| njohnston | Ah! Good to know. | 14:55 |
| fungi | yes, openstack/project-config is marked as being safe to share secrets from, so zuul won't allow speculative execution of proposed changes for it | 14:56 |
| fungi | at least not in pre-review pipelines like check | 14:57 |
| coreycb | you all are fast, thanks for the quick attention | 15:13 |
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| openstackgerrit | Nate Johnston proposed openstack/governance master: Post TC-election info-sheet https://review.opendev.org/683432 | 19:05 |
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| openstackgerrit | Amy Marrich (spotz) proposed openstack/governance-sigs master: New UC Rep https://review.opendev.org/687392 | 19:18 |
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| dhellmann | mugsie: regarding centralized metrics, https://github.com/openstack/ironic-prometheus-exporter has a somewhat interesting approach but I think we could do better by actually instrumenting services | 21:14 |
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