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| Luzi | #startmeeting image_encryption | 13:00 |
|---|---|---|
| openstack | Meeting started Mon Aug 26 13:00:24 2019 UTC and is due to finish in 60 minutes. The chair is Luzi. Information about MeetBot at http://wiki.debian.org/MeetBot. | 13:00 |
| openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 13:00 |
| *** openstack changes topic to " (Meeting topic: image_encryption)" | 13:00 | |
| openstack | The meeting name has been set to 'image_encryption' | 13:00 |
| Luzi | #topic Roll Call | 13:00 |
| *** openstack changes topic to "Roll Call (Meeting topic: image_encryption)" | 13:00 | |
| redrobot | 👋 | 13:00 |
| Luzi | good morning redrobot | 13:00 |
| redrobot | Welcome back, Luzi! | 13:00 |
| Luzi | thank you :) | 13:01 |
| efried | o/ | 13:01 |
| * fungi is around | 13:01 | |
| rosmaita | o/ | 13:01 |
| moguimar | o/ | 13:01 |
| Luzi | woah... so many people around here :D | 13:02 |
| Luzi | ok, lets start | 13:04 |
| Luzi | #topic Review Past Meeting Action Items | 13:04 |
| *** openstack changes topic to "Review Past Meeting Action Items (Meeting topic: image_encryption)" | 13:04 | |
| Luzi | 1. mhen & Luzi, review Secret Consumers patch set | 13:04 |
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| Luzi | well that's what I am currently doing :D | 13:05 |
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| Luzi | as there are no other action items, i will ask my question in the next topic, which is: | 13:06 |
| Luzi | #topic Barbican Consumer API Update | 13:06 |
| *** openstack changes topic to "Barbican Consumer API Update (Meeting topic: image_encryption)" | 13:06 | |
| redrobot | I'm reviewing a couple of patches by moguimar right now. | 13:07 |
| redrobot | #link https://review.opendev.org/#/q/status:open+project:openstack/barbican+branch:master+topic:secret-consumers | 13:07 |
| Luzi | moguimar, i can see there are some queries already in code... but i couldn't find something to delete a consumer - is it handled in the update or still missing? | 13:08 |
| moguimar | Luzi, there are still more layers to be implemented | 13:09 |
| moguimar | but those patches can be reviewed already | 13:09 |
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| mhen | o/ | 13:12 |
| mhen | late to the party sorry! | 13:12 |
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| moguimar | that's all about consumers so far | 13:12 |
| Luzi | okay, i think i will read some more, thank you moguimar | 13:13 |
| Luzi | #topic Image Encryption Specs | 13:13 |
| *** openstack changes topic to "Image Encryption Specs (Meeting topic: image_encryption)" | 13:13 | |
| Luzi | first question: restoring the nova patch now and move it to backlog or wait for the U -repository | 13:14 |
| Luzi | i would prefer the latter one | 13:15 |
| Luzi | if no one objects, we will wait | 13:16 |
| efried | ++ | 13:18 |
| Luzi | second: renaming the os_encrypt_format | 13:18 |
| Luzi | well today is my first day after vacation, so i don't have any suggestions right now | 13:19 |
| Luzi | #action Luzi & mhen & whoever has a good idea: come up with a better name for os_encrypt_format | 13:20 |
| *** haleyb|away is now known as haleyb | 13:21 | |
| Luzi | so maybe next week, we have some ideas :) | 13:21 |
| Luzi | last one from my side: the patch for the cinder spec | 13:21 |
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| Luzi | i had no time to do this before my vacation, but will start working on this soon :) | 13:22 |
| Luzi | are there any other questions concerning the specs? | 13:23 |
| Luzi | #topic Open Discussion | 13:24 |
| *** openstack changes topic to "Open Discussion (Meeting topic: image_encryption)" | 13:24 | |
| Luzi | are there any other topics you want to discuss? | 13:25 |
| Luzi | seems not to be the case | 13:27 |
| Luzi | thank you all for participating today and have a nice week :) | 13:28 |
| Luzi | #endmeeting image_encryption | 13:28 |
| *** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 13:28 | |
| openstack | Meeting ended Mon Aug 26 13:28:26 2019 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 13:28 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/image_encryption/2019/image_encryption.2019-08-26-13.00.html | 13:28 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/image_encryption/2019/image_encryption.2019-08-26-13.00.txt | 13:28 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/image_encryption/2019/image_encryption.2019-08-26-13.00.log.html | 13:28 |
| redrobot | Thanks, Luzi! | 13:28 |
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| enriquetaso | hello dtroyer, does the OSC team have an IRC channel? I'd like to chat about https://review.opendev.org/#/c/660746/ | 15:02 |
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| dtroyer | enriquetaso: we're with the rest of the client-types in #oprnstack-sdks | 15:04 |
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| mlavalle | #startmeeting neutron_performance | 16:00 |
| openstack | Meeting started Mon Aug 26 16:00:32 2019 UTC and is due to finish in 60 minutes. The chair is mlavalle. Information about MeetBot at http://wiki.debian.org/MeetBot. | 16:00 |
| openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 16:00 |
| *** openstack changes topic to " (Meeting topic: neutron_performance)" | 16:00 | |
| openstack | The meeting name has been set to 'neutron_performance' | 16:00 |
| njohnston | o/ | 16:00 |
| jrbalderrama | hi ! | 16:01 |
| mlavalle | hey, njohnston | 16:01 |
| mlavalle | hey jrbalderrama. How's the heat treating you this summer? | 16:01 |
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| jrbalderrama | it is better now. Thanks for asking, here everybody is coming back from vacations. | 16:02 |
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| mlavalle | goog to know ;-) | 16:03 |
| mlavalle | are you going to Shanghai? | 16:04 |
| njohnston | We're having highs around 75F/22C which is unseasonably mild for this time of year, it is lovely | 16:04 |
| jrbalderrama | Nobody from Inria is going to Shanghai | 16:04 |
| mlavalle | wow, that's nice! that's the typical summer weather in Mexico City. That's one thing I miss about my birth place, the mild weather | 16:05 |
| mlavalle | we'll miss you | 16:05 |
| mlavalle | ok let's get going... | 16:06 |
| mlavalle | I know slaweq is off, and haleyb might still be off | 16:06 |
| njohnston | haleyb is back I believe, but he may still be drowning in thousands of emails | 16:06 |
| bcafarel | late hi o/ | 16:07 |
| haleyb | i'm back, like njohnston said, deep in email, but here now | 16:07 |
| mlavalle | yeap.... I come from a generation that started professional life before email was used for business.... you could go off on vacation without worrying about messages piling up | 16:08 |
| mlavalle | ok.... | 16:08 |
| mlavalle | #topic Updates | 16:09 |
| *** openstack changes topic to "Updates (Meeting topic: neutron_performance)" | 16:09 | |
| mlavalle | does anybody (other than me) have an update? | 16:09 |
| njohnston | no | 16:10 |
| mlavalle | ok then I'll give my update. I think I have a productive couple of afternoons about this... | 16:11 |
| mlavalle | as discussed with bcafarel last meeting, the problem with osprofiler reports as that the traces are very difficult to relate to the code | 16:12 |
| mlavalle | so I sent a message to the ML about 3 or 4 weeks ago asking if it was possible to improve that.... | 16:12 |
| mlavalle | and I got no answer | 16:13 |
| njohnston | not sure there is anyone working on osprofiler these days | 16:13 |
| bcafarel | no answer either on direct email? | 16:14 |
| mlavalle | so next step I sent an email directly to Andrey Kurilin, who has been helping us with Rally and osprofiler | 16:14 |
| mlavalle | and I got no asnwer | 16:14 |
| mlavalle | as a consequence I've been exploring other alternatives | 16:15 |
| mlavalle | I am not saying we scrap osprofiler traces | 16:15 |
| mlavalle | It's still a valid perspective but we need to complement it with other view(s) | 16:16 |
| mlavalle | so last meeting I discussed with bcafarel this https://julien.danjou.info/guide-to-python-profiling-cprofile-concrete-case-carbonara/ | 16:16 |
| mlavalle | which was posted by Julien Danjou, a compatriot of bcafarel and jrbalderrama | 16:17 |
| mlavalle | you can read it carefully later. The summary is that he proposes using cProfile together with KCacheGrind | 16:18 |
| mlavalle | if you scroll down that blogpost you can see an example of the call graphs generated by KCacheGrind from cProfile data | 16:19 |
| njohnston | that's really nice | 16:20 |
| mlavalle | I dug a little more and came across this: https://gist.github.com/ionelmc/5735205 | 16:20 |
| mlavalle | in that gist, a decorator is defined to automatically generate traces ready to be consumed by KCacheGrind | 16:21 |
| mlavalle | so I adapted that code a bit and came up with this PoC: https://review.opendev.org/#/c/678438/ | 16:21 |
| mlavalle | I can know generate KCacheGring input files directly from create_port and update_port requests | 16:23 |
| njohnston | This is really great stuff mlavalle | 16:24 |
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| njohnston | just have to apply that change and you can get the KCacheGrind files? I can't wait to try it out! | 16:25 |
| mlavalle | given the Zuul allergic reaction, I think the next step for that PoC is to make the profiling data gathering configurable with a config option | 16:25 |
| mlavalle | njohnston: yes, just decorate wihchever method you can to trace and it will dump files in the /tmp folder | 16:26 |
| mlavalle | the files are ready to be consumed by KCacheGrind | 16:26 |
| mlavalle | the only small nit is that I haven't figured out what files types KCacheGrind expects by default, so in the open dialog make sure you select all file types | 16:27 |
| mlavalle | wThen I did the following | 16:27 |
| mlavalle | with this patch applied to my dvr 3 node devstack I ran our create_port_and_bind rally scenario | 16:28 |
| mlavalle | 80 iteration, concurrency 20 | 16:29 |
| mlavalle | I generated a bunch of profiling files: https://github.com/miguellavalle/neutron-perf/tree/august-25th/threadripper/devstack/25-August-2019 | 16:31 |
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| mlavalle | if you look at the name of the files, they are composed of the method path in dot notation + how long the request took in milliseconds + date and time | 16:32 |
| mlavalle | and then under https://github.com/miguellavalle/neutron-perf/tree/august-25th/threadripper/devstack/25-August-2019/reports | 16:33 |
| mlavalle | I left the Rally run report | 16:33 |
| mlavalle | and in the pictures folder a couple of examples of KcacheGrind reports generated for those runs | 16:34 |
| * mlavalle hasn't figured out to to generate a report for Kcachegrind | 16:34 | |
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| mlavalle | and this is where I ran out of time last night | 16:35 |
| mlavalle | what do you guys think? | 16:35 |
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| njohnston | I am very excited by this, and I want to try it out on the bulk port code, as well as seeing how the ipam code looks in this | 16:37 |
| njohnston | Looking at your screenshots I think this is going to be a very intuitive tool for evaluating where performance bottlenecks are | 16:37 |
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| mlavalle | the only thing you need is to install Kcachegrind in your workstation | 16:38 |
| bcafarel | yup that looks really promising | 16:38 |
| mlavalle | and apply the decorator to whatever code method you want to profile | 16:38 |
| mlavalle | so next steps are: | 16:39 |
| mlavalle | 1) Refine the PoC patch so zuul doesn't barf with it. I thing making this a configurable option will be good. | 16:39 |
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| mlavalle | 2) I am going to try to correlate the results in that Rally report with the profiling files generated so we can select the files better suited to identify bottlenecks due to concurrency | 16:41 |
| mlavalle | that's it from me for this meeting | 16:42 |
| mlavalle | anything else we should talk about today? | 16:42 |
| njohnston | nothing I can think of | 16:43 |
| jrbalderrama | nothing on my side | 16:43 |
| mlavalle | cool. | 16:43 |
| mlavalle | thanks for attending | 16:43 |
| mlavalle | have a great week! | 16:43 |
| njohnston | thank you mlavalle for all the hard work! | 16:43 |
| bcafarel | thanks for that kcachegrind work :) | 16:43 |
| mlavalle | :-) | 16:44 |
| mlavalle | it's been fun | 16:44 |
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| mlavalle | #endmeeting | 16:44 |
| *** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 16:44 | |
| openstack | Meeting ended Mon Aug 26 16:44:18 2019 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 16:44 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/neutron_performance/2019/neutron_performance.2019-08-26-16.00.html | 16:44 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/neutron_performance/2019/neutron_performance.2019-08-26-16.00.txt | 16:44 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/neutron_performance/2019/neutron_performance.2019-08-26-16.00.log.html | 16:44 |
| jrbalderrama | bye! | 16:44 |
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