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| DinaBelova | #startmeeting Performance Team | 15:30 |
|---|---|---|
| openstack | Meeting started Tue Oct 17 15:30:24 2017 UTC and is due to finish in 60 minutes. The chair is DinaBelova. Information about MeetBot at http://wiki.debian.org/MeetBot. | 15:30 |
| openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 15:30 |
| *** openstack changes topic to " (Meeting topic: Performance Team)" | 15:30 | |
| openstack | The meeting name has been set to 'performance_team' | 15:30 |
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| DinaBelova | hello folks! ilyashakhat msimonin tovin07 o/ | 15:30 |
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| msimonin | o/ | 15:31 |
| DinaBelova | okay, let's wait till other folks will join | 15:32 |
| msimonin | sure :) | 15:32 |
| tovin07_ | hi | 15:32 |
| DinaBelova | o/ | 15:32 |
| tovin07_ | o/ | 15:32 |
| msimonin | hi tovin07_ | 15:33 |
| DinaBelova | in the meanwhile we can go through our action items | 15:33 |
| DinaBelova | #topic Action Items | 15:33 |
| *** openstack changes topic to "Action Items (Meeting topic: Performance Team)" | 15:33 | |
| DinaBelova | last time we had 2 action items | 15:33 |
| DinaBelova | tovin07_ let's start with yours :) | 15:33 |
| tovin07_ | yes | 15:33 |
| DinaBelova | it's kinda old one | 15:33 |
| DinaBelova | identify how to separate call/cast rpc calls within osprofiler tracing | 15:33 |
| DinaBelova | any news here? | 15:34 |
| tovin07_ | sadly, I cannot find the way to separate them at this moment | 15:34 |
| msimonin | I've one question with regards to this topic | 15:34 |
| msimonin | a naive one actually | 15:35 |
| DinaBelova | sure, shoot | 15:35 |
| msimonin | as far as I remember, I see method instrumented quite high in the stack, not in oslo_messaging | 15:36 |
| msimonin | Am I wrong ? | 15:36 |
| DinaBelova | yes, wrapping rpc requests is happening in each project separately (as each openstack project uses oslo.messaging in its own, unique way :D ) | 15:37 |
| msimonin | sure but every project calls the rcp_call/cast from om ? | 15:38 |
| msimonin | I guess each project instantiate an RPCClient and call the cast or call method on this object | 15:39 |
| DinaBelova | well, they do, but to make it happen we need to introduce context serializer in each project in the way, unique for this project | 15:39 |
| DinaBelova | most commonly it looks like this | 15:39 |
| tovin07_ | yes | 15:39 |
| DinaBelova | https://github.com/openstack/nova/blob/bedb33ef04bf5710657fc46bceb68817dcbf83eb/nova/rpc.py#L144 | 15:39 |
| msimonin | concretely it's not possible to instrument oslo_messaging ? | 15:40 |
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| DinaBelova | it might be possible, but adding osprofiler to the oslo.messaging requirements will be tricky I guess | 15:41 |
| tovin07_ | another example about call/cast in magnum https://github.com/openstack/magnum/blob/master/magnum/common/rpc_service.py#L97 | 15:43 |
| DinaBelova | tovin07_ I guess adding understanding or either cast or call was processed is possible, but it will require now either adding profile() to all openstack projects functions that run this cast/call (as in big projects, e.g. nova, there are always custom wrappers, etc.) or hacking oslo,messagnig itself to add profiling on its level | 15:43 |
| tovin07_ | agree with that | 15:44 |
| msimonin | the same : ) | 15:44 |
| DinaBelova | heh, option #1 is too complex imho | 15:44 |
| tovin07_ | but, I think we should find the way to change in OSprofiler only | 15:44 |
| tovin07_ | not all other project or trick in oslo_messaging | 15:44 |
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| msimonin | option #1 is painfull and hardly maintainable | 15:45 |
| DinaBelova | #1 is not an option, agree here | 15:45 |
| msimonin | :) | 15:45 |
| DinaBelova | as for tovin07_ 's suggestion - well, we should, but I'm not sure we'll be able to - as to understand what is happening - cast or call is defined one level lower than we're wrapping RPC in the projects | 15:46 |
| DinaBelova | in most of the projects | 15:46 |
| msimonin | plus : profiling oslo_messaging could be interesting in itself (beyond cast/calls) | 15:46 |
| DinaBelova | so from my perspective it might make sense to prepare poc of adding profiling functionality and try communicating with oslo folks to see if that's possible to adopt | 15:47 |
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| DinaBelova | i mean profiling functionality in oslo.messaging | 15:47 |
| DinaBelova | tovin07_ should we leave this action item " identify how to separate call/cast rpc calls within osprofiler tracing" on you for a while longer? :) | 15:48 |
| tovin07_ | I think you should | 15:48 |
| DinaBelova | :D | 15:48 |
| DinaBelova | #action tovin07_ identify how to separate call/cast rpc calls within osprofiler tracing | 15:48 |
| DinaBelova | okay :D | 15:49 |
| DinaBelova | as for other action item it was on myself and ilyashakhat for reviewing https://review.openstack.org/#/c/491818/ | 15:49 |
| DinaBelova | it lgtm, but did not see ilyashakhat review so far | 15:49 |
| DinaBelova | so lemme leave this on him | 15:49 |
| DinaBelova | #action ilyashakhat review https://review.openstack.org/#/c/491818/ | 15:49 |
| msimonin | thanks for your review | 15:49 |
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| msimonin | It seems there's something wrong with my titles (one test fails) | 15:50 |
| DinaBelova | well, it looks good, full and with lots of details imho | 15:50 |
| DinaBelova | yeah, need to check it | 15:50 |
| msimonin | I'll have a look soon | 15:50 |
| DinaBelova | ack | 15:50 |
| DinaBelova | #topic Current status | 15:51 |
| *** openstack changes topic to "Current status (Meeting topic: Performance Team)" | 15:51 | |
| DinaBelova | tovin07_ the floor is yours :) | 15:51 |
| tovin07_ | hmm, I have nothing :D | 15:51 |
| tovin07_ | this time, I spent time mostly on my company's work | 15:52 |
| DinaBelova | :) | 15:53 |
| DinaBelova | okay, gotcha | 15:53 |
| DinaBelova | msimonin anything interesting from your side? | 15:53 |
| msimonin | hmm :) | 15:54 |
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| msimonin | Actually working on the implemetation of the testplan | 15:54 |
| msimonin | but nothing relevant so far | 15:54 |
| DinaBelova | ack, thank you sir | 15:54 |
| DinaBelova | #topic Open Discussion | 15:55 |
| *** openstack changes topic to "Open Discussion (Meeting topic: Performance Team)" | 15:55 | |
| DinaBelova | okay, msimonin tovin07_ anything to share as part of open discussion? I do not have any items myself | 15:55 |
| tovin07_ | nope | 15:56 |
| DinaBelova | ack, so let's wrap-up for today :) | 15:56 |
| DinaBelova | thank you folks for sharing your activities :) | 15:56 |
| DinaBelova | #endmeeting | 15:56 |
| *** openstack changes topic to "OpenStack performance discussions - testing, bottlenecks, etc. Performance-related changes on review - https://etherpad.openstack.org/p/perf-zoom-zoom (tools, bottlenecks, etc.)" | 15:56 | |
| openstack | Meeting ended Tue Oct 17 15:56:47 2017 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 15:56 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/performance_team/2017/performance_team.2017-10-17-15.30.html | 15:56 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/performance_team/2017/performance_team.2017-10-17-15.30.txt | 15:56 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/performance_team/2017/performance_team.2017-10-17-15.30.log.html | 15:56 |
| msimonin | Thanks DinaBelova | 15:57 |
| msimonin | Bye | 15:57 |
| tovin07_ | bye | 15:57 |
| tovin07_ | :D | 15:57 |
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