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| Luzi | #startmeeting image_encryption | 13:00 |
|---|---|---|
| openstack | Meeting started Mon Sep 23 13:00:21 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 | |
| fungi | i'm at a conference, so not able to pay super close attention, but am still sort of here | 13:00 |
| redrobot_ | 👋 | 13:01 |
| moguimar | o/ | 13:01 |
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| Luzi | hello | 13:01 |
| Luzi | this will be a short meeting today, so lets start | 13:04 |
| Luzi | #topic Barbican Consumer API Update | 13:04 |
| *** openstack changes topic to "Barbican Consumer API Update (Meeting topic: image_encryption)" | 13:04 | |
| moguimar | I'm finally free to go full time on this one this week =D | 13:05 |
| Luzi | moguimar, yay :) | 13:05 |
| moguimar | which brings me to rebase | 13:05 |
| redrobot_ | moguimar, 🙌 | 13:05 |
| moguimar | redrobot_ told me to rebase the first 3 patches | 13:05 |
| moguimar | do I have to do each one of them, or is there a single button to rule them all? | 13:05 |
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| redrobot_ | moguimar, I don't think there's a single button. I'd pull down master and cherry-pick in the cli | 13:06 |
| moguimar | ok | 13:06 |
| moguimar | I'll work on the reviews I had today and get it ready to merge | 13:07 |
| moguimar | also send an email requesting the FFE | 13:07 |
| moguimar | then tomorrow start working in the other patches | 13:07 |
| redrobot_ | I'll be looking out for the email to approve the FFE 👍 | 13:07 |
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| Luzi | fine | 13:08 |
| Luzi | #topic Image Encryption Specs | 13:08 |
| *** openstack changes topic to "Image Encryption Specs (Meeting topic: image_encryption)" | 13:08 | |
| Luzi | nothing new from our side, due to other deadlines | 13:09 |
| Luzi | #topic Open Discussion | 13:09 |
| *** openstack changes topic to "Open Discussion (Meeting topic: image_encryption)" | 13:09 | |
| Luzi | are there any other topics you would like to discuss? | 13:09 |
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| moguimar | not on my end | 13:11 |
| Luzi | noone? okay | 13:11 |
| Luzi | thank you all for joining this week :) | 13:11 |
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| Luzi | #endmeeting image_encryption | 13:12 |
| *** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 13:12 | |
| openstack | Meeting ended Mon Sep 23 13:12:03 2019 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 13:12 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/image_encryption/2019/image_encryption.2019-09-23-13.00.html | 13:12 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/image_encryption/2019/image_encryption.2019-09-23-13.00.txt | 13:12 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/image_encryption/2019/image_encryption.2019-09-23-13.00.log.html | 13:12 |
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| mlavalle | #startmeeting neutron_performance | 16:00 |
| openstack | Meeting started Mon Sep 23 16:00:09 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 |
| bcafarel | hello! | 16:00 |
| rubasov | hi! | 16:00 |
| jrbalderrama | hello | 16:00 |
| mlavalle | hi there! | 16:00 |
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| mlavalle | ok, that is probably enough wait | 16:02 |
| mlavalle | #topic Updates | 16:02 |
| *** openstack changes topic to "Updates (Meeting topic: neutron_performance)" | 16:02 | |
| mlavalle | are any updates from the past two weeks? | 16:02 |
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| rubasov | sorry, I don't have any | 16:03 |
| mlavalle | that's cool | 16:03 |
| mlavalle | We appreciatte all you have done so far | 16:03 |
| bcafarel | only "following someone's poc review" here | 16:03 |
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| mlavalle | ok, so some of you are aware that over the past few days I continued working with https://review.opendev.org/#/c/678438/ | 16:04 |
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| mlavalle | before I explain what I did, please see if you can download https://storage.gra1.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_e2f/678438/12/check/neutron-rally-task/e2f821c/controller/logs/screen-q-svc.txt.gz | 16:05 |
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| mlavalle | it is going to take some time | 16:06 |
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| mlavalle | here's what I did in the last revision of this patch: | 16:07 |
| mlavalle | 1) The profiling becomes configurable with options in the default section of neutron.conf | 16:08 |
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| mlavalle | I added an option named "enable_code_profiling" | 16:09 |
| mlavalle | when that is true, profiling will take place in the case of those methods decorated "profile" | 16:10 |
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| mlavalle | currently just create_port and update_port in the ml2 plugin | 16:10 |
| mlavalle | 2) I enabled the profiling for the rally job | 16:11 |
| mlavalle | 3) I add the result of each profiled call to the log file so anybody investigating performance only needs to look at the neutron server log in the rally job | 16:12 |
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| mlavalle | that is why I asked you to download ^^^^ | 16:13 |
| njohnston_ | wow, it is taking a while | 16:14 |
| jrbalderrama | 624M ! | 16:14 |
| mlavalle | 4) At the beginning of each profile report in the log file I also log the corresponding osprofiler id like the one shown here: https://storage.gra1.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_e2f/678438/12/check/neutron-rally-task/e2f821c/results/report.html.gz#/NeutronNetworks.create_and_bind_ports/output | 16:15 |
| bcafarel | get it in a shell, it will leave it compressed (42M gz) | 16:15 |
| mlavalle | that way we will be able to correlate the cProfile output with the osprofiler output | 16:16 |
| rubasov | and a decent distro will decompress it on the fly if you open the gz with less | 16:16 |
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| njohnston_ | or zcat | less, zgrep is also helpful if you know what you're looking for | 16:17 |
| mlavalle | if you have downloaded the file search for "cumtime" | 16:17 |
| mlavalle | and you will find the first table of profiling results | 16:17 |
| mlavalle | does this all make sense? | 16:18 |
| bcafarel | so that's the os-profiler table output? | 16:19 |
| mlavalle | no if you find cumtime, you will see the cProfiler resutl | 16:19 |
| rubasov | and we'll have one table like that for each call of create_port and update_port? | 16:19 |
| mlavalle | correct rubasov | 16:19 |
| mlavalle | and at the top of each table, the corresponding osprofiler id should be logged as well | 16:20 |
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| mlavalle | so we can correlate both views | 16:20 |
| mlavalle | makes sense? | 16:20 |
| njohnston_ | +1 | 16:21 |
| mlavalle | the problem we had with the osprofiler data is that it was difficult to correlate with specific sections of the code | 16:22 |
| rubasov | but now we can add the decorator wherever we want it, cool | 16:23 |
| mlavalle | with this approach now we can see the osprofiler trace and relate it to the cProfile output and see sections of the code are doing what, who is calling who and who is being called by who | 16:23 |
| mlavalle | rubasov: yes, I could remove the decorators in the patch from the ml2 plugin and merge the patch in its current form | 16:25 |
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| mlavalle | if we do that, the prospective performance investigator would follow these steps: | 16:25 |
| mlavalle | 1) decide what portion of the code she / he wants to analyze | 16:26 |
| mlavalle | 2) create a DNM patch adding the decorator to those methdos relevant to the investigation | 16:26 |
| mlavalle | 3) See the results in the neutron server log of the rally job | 16:27 |
| mlavalle | 4) correlate with the osprofiler output. I am looging both the osprofiler parent id and the trace id, so we all can go at whatever level of granularity we want | 16:28 |
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| mlavalle | I will even add a section to the devref to explain the process | 16:28 |
| mlavalle | makes sense? | 16:28 |
| bcafarel | I was about to say, noting these steps in dev doc would be great :) | 16:29 |
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| njohnston_ | I have places where I could make use of this right now | 16:31 |
| njohnston_ | very awesome work | 16:31 |
| rubasov | makes perfect sense | 16:31 |
| mlavalle | yeah I know you are working on performance, njohnston_ . I've been thinking of you all along | 16:31 |
| mlavalle | there is another approach though.... | 16:32 |
| mlavalle | not exclusive with the previous one. In fact, they can be complementary | 16:32 |
| mlavalle | here it goes: | 16:33 |
| mlavalle | 1) I can decorate methods like this https://github.com/openstack/neutron/blob/master/neutron/api/v2/base.py#L372 | 16:33 |
| mlavalle | in the base API controller. I can decorate index, show, create, update and delete | 16:34 |
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| mlavalle | that way we will have data and all the API calls that we exercise in the rally job for each patch | 16:34 |
| mlavalle | 2) I can also decorate the loop methos in the agents | 16:35 |
| mlavalle | which are also generating osprofiler traces | 16:35 |
| mlavalle | and if, during a performance investigation, we need more granularity, we can go with the previous approach | 16:36 |
| mlavalle | makes sense? | 16:36 |
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| njohnston_ | yep, makes sense! | 16:40 |
| mlavalle | ok, here's the plan for the next two weeks | 16:40 |
| mlavalle | 1) I will experiment decorating the base controller. If infra can take it, that is the way we will go | 16:41 |
| mlavalle | 2) I will decorate the agent loop methods | 16:41 |
| mlavalle | 3) I will add a section to devref | 16:42 |
| mlavalle | 4) after merging this code (after the freeze is over) I will start analyzing data for the create / bind port combo. My goal is to have data and findings to discuss in Shanghai | 16:43 |
| mlavalle | and hoepfully you can leverage this by then, njohnston_, so we can also discuss your findings | 16:44 |
| njohnston_ | yes definitely | 16:44 |
| mlavalle | rubasov: with the work you are doing, we will be able to correlate at the agent level as well | 16:45 |
| rubasov | cool | 16:45 |
| mlavalle | ok, that is the end of my update | 16:45 |
| rubasov | will find some time to get the code in better shape | 16:46 |
| mlavalle | anything else we should discuss today? | 16:46 |
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| mlavalle | ok, thanks for attending | 16:49 |
| mlavalle | have a great week | 16:49 |
| bcafarel | same! | 16:49 |
| rubasov | you too | 16:49 |
| mlavalle | #endmeeting | 16:50 |
| *** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 16:50 | |
| openstack | Meeting ended Mon Sep 23 16:50:49 2019 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 16:50 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/neutron_performance/2019/neutron_performance.2019-09-23-16.00.html | 16:50 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/neutron_performance/2019/neutron_performance.2019-09-23-16.00.txt | 16:50 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/neutron_performance/2019/neutron_performance.2019-09-23-16.00.log.html | 16:50 |
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