Tuesday, 2017-04-25

« Monday, 2017-04-24 Index Wednesday, 2017-04-26 »
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DinaBelova#startmeeting Performance Team15:30
openstackMeeting started Tue Apr 25 15:30:00 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
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.15:30
openstackThe meeting name has been set to 'performance_team'15:30
DinaBelovahello folks :)15:30
DinaBelovalet's see who is around15:30
tovin07_o/15:30
DinaBelovatovin07 akrzos msimonin1 o/15:30
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DinaBelovatovin07 let's see if we're alone today or nope :)15:31
rcherrueauo/15:31
DinaBelovarcherrueau yay15:31
DinaBelovahello sir15:31
rcherrueauhello15:31
msimonin1o/15:31
DinaBelovaI think we need to get started with the people who are right here15:31
DinaBelova#topic Action Items15:31
DinaBelovarcherrueau I'm going to be annoying right now :)15:31
DinaBelovarcherrueau any updates on your action item sir? :)15:32
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DinaBelovaregarding publishing WAN-centric OpenStack testing methodology?15:32
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rcherrueauDinaBelova: Still focusing on the experimentation. We got some results but it's too soon to write a testing methodology15:32
DinaBelovarcherrueau ack, thank you sir15:33
DinaBelovalemme keep it for now15:33
DinaBelova#action rcherrueau add OpenStack testing under networking delays (e.g. multisite deployment) methodology to performance docs (openstack under WAN)15:33
DinaBelovawe did not have any other action items15:33
DinaBelovaso let's proceed15:33
rcherrueau(And I do not really have the time to write it right now!)15:33
DinaBelova#topic Current progress on the planned tests15:33
DinaBelovarcherrueau sure :) how is your summit preparaiton going?15:33
DinaBelovaanything to share on current progress today?15:34
rcherrueauWe do nice progress15:34
rcherrueauLets take a look at the sequence diagram we automatically generated based on an OSProfiler trace15:34
rcherrueau#link https://github.com/rcherrueau/osp-utils/blob/master/tests/rsc/out.svg15:34
rcherrueauIt is based on an `openstack server create`15:35
* DinaBelova looking15:35
rcherrueaublue links are rest call, green ones are rpc call and blacks are python call15:35
rcherrueauwe did that using the parser I presented last time.15:35
* DinaBelova trying to enlarge the image somehow :D15:36
msimonin:)15:36
rcherrueauWe have a small query language that lets us filter and fold some trace on a predicate15:36
rcherrueauDinaBelova: you should use inkscape15:36
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msimoninyou'll maybe have to wget it and open it with a svg viewer15:36
DinaBelovayeah, I got it :)15:36
DinaBelovawas it run with some networking delay?15:37
rcherrueauWe produces several traces with different delay15:37
rcherrueauproduced*15:37
tovin07_whao, it’s so large15:38
DinaBelovayeah it is :) it should15:38
DinaBelovaalthough looks really well15:38
DinaBelovaI mean the chart itself15:38
DinaBelovarcherrueau good work15:38
rcherrueauBut the time to accomplish a call is missing on the sequence diagram15:38
rcherrueauany way, this give you a good vision of the workflow15:38
DinaBelovatrue15:39
rcherrueauWe will present this at the summit, with a focus on rest and rpc call15:39
DinaBelovarcherrueau it's sad I won't be able to attend :( I'll have to look on the recording15:40
rcherrueauyes sure15:40
DinaBelovaokay, it looks like we don't have RehHat folks presented today...15:40
DinaBelovafrom Mirantis side we're trying new deployment tool (Mirantis Cloud Platform, MCP) on our small environments and working on making those deployments automated against our envs - so mostly preparation work for now15:41
DinaBelovaanything else to add in "current progress" or we can move to open discussion?15:41
DinaBelovait looks like we can :)15:42
DinaBelova#topic Open Discussion15:42
DinaBelovatovin07 please go ahead15:42
tovin07_o/15:42
tovin07_[tovin07] Rally + OSprofiler spec: https://review.openstack.org/#/c/456278/15:42
tovin07_rcherrueau: thanks15:42
tovin07_:D15:42
rcherrueautovin07_: you are welcome15:43
DinaBelovatovin07 congrats on the merged spec :)15:43
tovin07_Andrey has a spec for your nee15:43
tovin07_*nee15:43
tovin07_*need15:43
msimonintovin07: will you work on it ?15:43
msimonindo you need help ?15:44
tovin07_oh yes, I’ll work on it (somehow), andrey is main asignee for that task15:44
msimoninlet us know we can at least review part of it :)15:45
tovin07_I think that I can help. Anw, if you guys can help, that’s awesome15:45
msimoninok15:45
msimoninFrom our side, we'll have more time after the summit15:45
tovin07_+115:45
rcherrueauSpeaking about OSProfiler, do you manage to get a trace that includes glance events?15:46
rcherrueauIn all traces I produced, glance is always missing and I don't know why.15:46
tovin07_glance events?15:46
tovin07_Oh15:46
tovin07_I know that issue15:46
rcherrueauosprofiler event for glance15:46
* tovin07_ getting link15:46
DinaBelovais osprofiler included to the grance api extensions  pipeline by default?15:47
* DinaBelova does not remember 15:47
rcherrueauDinaBelova: yes it is15:47
tovin07_#link Glance events is not showed because of this patch https://review.openstack.org/#/c/316799/15:47
DinaBelovatovin07_ oh ok, so we need this patch landed15:48
rcherrueautovin07_: OK thanks. Any advice here to remove this patch?15:48
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DinaBelovarcherrueau I suspect you need to add this patch :)15:48
DinaBelovatovin07_ am I wrong?15:49
tovin07_you have to use ceilometer + rabbitmq + panko as driver for OSprofiler to avoid this patch15:49
rcherrueauOh, I get wrong I have to apply it :D15:49
rcherrueautovin07_: OK, in our deployment we go with mongo. This is why.15:49
DinaBelova:)15:49
tovin07_rcherrueau: yup15:49
tovin07_that’s why :D15:50
tovin07_okie, let’s move to the next item15:50
DinaBelova+115:50
tovin07_[tovin07] Integrate OSprofiler into Ceilometer, Swift (hope it will be landed in Pike)15:50
tovin07_I will continue to work to integrate OSprofiler to other OpenStack projects in Pike15:51
tovin07_Speaking of Ceilometer, DinaBelova, do you have any idea for that?15:51
DinaBelovatovin07_ I'm out of Ceiloemter for a while, so I suspect it's all new for me now15:52
tovin07_hmm, that’s sad :(15:52
tovin07_Anw, I want to inform that to you guys. I’ll try to do those things.15:52
DinaBelovatovin07_ I supect that it's going to be quite challenging with all new aodh, panko, gnocchi, etc.15:52
DinaBelovatovin07_ thank you so much for your effort15:53
tovin07_At the first step, just try with Ceilometer first15:53
DinaBelovatovin07_ and the last item - I see you've added OpenTracing item15:53
tovin07_yes15:53
DinaBelovacan you please dig to some details here?15:53
tovin07_[tovin07] Make OSprofiler compatible with OpenTracing API15:54
tovin07_#link OpenTracing: http://opentracing.io/15:54
tovin07_$link OpenTracing Specification: https://github.com/opentracing/specification/blob/master/specification.md15:54
tovin07_#link OpenTracing Specification: https://github.com/opentracing/specification/blob/master/specification.md15:54
tovin07_TL;DR: I saw that OpenTracing is becomming the standard for distributed tracing for now (OpenTracing is a member of CNCF)15:55
tovin07_Uber Jaeger, Google Dapper, Twitter Zipkin, LightStep, Hawkular,… etc have the same philosophy with OSprofiler in OpenStack15:56
DinaBelovatovin07_ true15:56
DinaBelovatovin07_ do you want to implement this API in osprofiler?15:57
tovin07_recently, Google publish this https://cloudplatform.googleblog.com/2017/04/distributed-tracing-for-Go.html15:57
tovin07_DinaBelova: I have a draft plan for the implementation15:57
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DinaBelovatovin07_ really cool, I think it's gonna to be a great approach15:57
tovin07_I think it will be awsome for us15:57
DinaBelova+115:57
tovin07_*awesome15:57
DinaBelovatovin07_ can you please share his draft plan?15:58
DinaBelovahis -> this15:58
tovin07_becaus we can display OSprofiler trace in other UI, not just OSprofiler HTML output15:58
tovin07_DinaBelova: yes15:58
tovin07_I will publish it in launchpad this week and hope that you guys can review it to make it better15:59
DinaBelovatovin07_ ack, thank you sir15:59
DinaBelovatovin07_ thanks for lots of interesting discussion topics today15:59
tovin07_rcherrueau, msimonin: I hope that you can help in this task (testing, reviewing, comment,...)16:00
msimoninsure16:00
rcherrueauYes, with pleasure16:00
tovin07_:D16:00
rcherrueaugoing with an open standard is always a good idea.16:00
DinaBelovaokay, one more moment16:00
tovin07_That’s all from my side for this week16:00
DinaBelovathat I wanted to cover16:00
DinaBelovaI won't be able to attend next week meeting, and the week after next is OpenStack suummit16:00
DinaBelovadoes it make sense for us to skip next 2 weeks?16:01
tovin07_rcherrueau, msimonin?16:01
tovin07_I’m OK with it :D16:01
rcherrueauI have a lot to focus on, so this is ok for me16:01
msimoninit's ok from my side16:02
DinaBelovaok, so let's do it16:02
tovin07_+116:02
DinaBelova#info we're skipping next two meetings, next one will be on May 16th16:02
tovin07_ack16:02
DinaBelovathanks everyone!16:02
DinaBelova#endmeeting16:02
openstackMeeting ended Tue Apr 25 16:02:59 2017 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)16:03
openstackMinutes:        http://eavesdrop.openstack.org/meetings/performance_team/2017/performance_team.2017-04-25-15.30.html16:03
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/performance_team/2017/performance_team.2017-04-25-15.30.txt16:03
openstackLog:            http://eavesdrop.openstack.org/meetings/performance_team/2017/performance_team.2017-04-25-15.30.log.html16:03
rcherrueautovin07_: I have a question for you regarding OSProfiler16:03
tovin07_ýe16:03
tovin07_ýeyes16:03
rcherrueauI wanna ask for an enhancement -- Love that tool :)16:03
rcherrueauA trace going through oslo_messaging only says that it's an RPC, but the nature is missing.16:03
rcherrueaui.e, a rpc could be a call or a cast. And depending on the nature the latency has a strong impact.16:04
rcherrueauDo you think it is easy to add this information into an OSProfiler trace.16:04
rcherrueau?16:04
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tovin07_Is that related to asynchronous call?16:04
tovin07_I saw that a lot of cast call finish really soon after it called16:05
rcherrueauIt could be. rpc.cast is not really asyncrhonous but oslo_messaging.notify is.16:05
rcherrueaurpc.cast ends when it gets the insurance that the message have been delivery into the queue16:06
tovin07_Async call is restricted representation in OSprofiler for now16:06
rcherrueauso it's not really an asynchronous call, but it ends faster than a rpc.call16:06
tovin07_okay, could you please create a bug or RFE (request for enhancement) for this, and provide details information for that?16:07
tovin07_I will investigate :D16:07
rcherrueauBut at some point, in the code you do a oslo_messaging.rpc.call, or a oslo_messaging.rpc.cast or oslo_messaging.notify16:07
rcherrueauso, if we can have this information it will be super cool :)16:08
tovin07_unforrtunately, I have no idea for this issue for now :16:08
tovin07_:(16:08
rcherrueauOK, for the bug16:08
rcherrueaumaybe it will wait after the end of the summit16:09
rcherrueauanyway, thank you for the glance bug16:10
tovin07_yes :’(16:10
rcherrueausee you ;)16:10
tovin07_no problem sir16:10
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