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Re: 30 Checkout Operations per Minute A job for Odoo or not ?

by
InitOS GmbH, Frederik Kramer
- 06/05/2021 11:59:09 
Hi Moises, 

Am Freitag, den 30.04.2021, 16:02 +0000 schrieb Moises Lopez:

> Hi Frederik

> 

> A customer requested to support 5k concurrent sale.order (1 or 2

> lines of products) in Odoo.

> The process that we followed were: test, measure, fix, test...

haha, yes thats what works well if you have a customer that well
endorses this "agile" and "pivoting" style of work. Apart from all
economic considerations this is probably also something that isolated
leads to quite solid solutions


> 

> The first time that we tested the checkout process supported 15

> concurrent virtual users (VUs)

> The measure said that it had heavy custom functions in the same

> transaction of checkout but it could be executed in background (cron,

> queue)

> and there were slow queries because of indexes issues or too many

> queries executed because of python code

did you use any specific profiling tools here? Or the ones that rcollet
often proposes in his talks about the matter ?


> 

> Note: Be careful with the base_automation if you can migrate them to 

> code it is better.

Thanks for the hint, i think we experienced that also quite some times
in the past and learned that lesson already ;-)


> 

> After fix them the next iteration supported 400 VUs

> So good but so far from the focus.

> 

> The next iteration we found that there were methods that could be

> using LRU-cache (e.g. prices, website that don't change)

> Now we needed to check where the cache was clearing too frequently

> and fix it.

How did you measure LRU cache hit rates vs. code parts in a good way.
Any tooling suggestion here ?


> 

> We implemented CDN

> e.g. The sentence "/web/image/company.logo" runs 10 queries

> (prefetching fields, translating fields...) for each user opening the

> page

> After using CDN 0 queries are executed.

But you just used Odoos standard CDN function or any specific measure
here ?


> 

> We removed soft process that running with many users it is heavy

> e.g. the random image that odoo assign when you create a res.partner

> e.g. computed fields moved to cron

Also here which analysis tools do you prefer to do so ?


> 

> After that we detected concurrent update issues

> It is hell for performance matter.

> e.g. updating the same record at the same time from many users,

> e.g. allowing pressing the same button too many times

> e.g. sequences using no-gap in the main process, and so on

> 

> After finishing all the hints of performance issues in the code and

> database the next steps were to improve the hardware.

> 

> Now, It supports 5k concurrent VUs doing checkout process (choose 2

> products, type address, payment card info and confirm)

In what time frame ?


> 

> So, Odoo will support those users but you will need to test, measure,

> fix, test...

> Stress testing tools helps us a lot here

> python profilers and query analyzers too

> 

> Maybe you are interest to watch our talk in SFO about:

>  - https://youtu.be/kiREZqg3JQg

I will definitely have a look at this

Thanks a lot for your extensive insight.

Cheers from rainy Germany to sunny Mexico ;-)

Frederik


> 

> El mié, 28 abr 2021 a las 15:35, Frederik Kramer (<

> frederik.kramer@initos.com>) escribió:

> > Hi Folks, 

> > 

> > i have a project proposal on my desk that will ultimately end up in

> > approx. 30 checkout transactions per minute. Has anybody got a

> > project

> > with that order volume done with a relatively recent version of

> > Odoo

> > and provide a good reference. Please bear in mind that the project

> > ahead involves a similarly high volume of stock moves.

> > 

> > Any suggestion / comment like (but not limited to) 

> > 

> > Odoo is the wrong technology for that, forget it, because....

> > 

> > over

> > 

> > You can do it but, a), b), c) ....

> > 

> > to

> > 

> > If you really want that beast flying involve us over here because

> > we

> > are among the few ones that already did soemthing similar

> > 

> > would be appreciated. 

> > 

> > From our load intensive projects at initOS i know that 10000 orders

> > a

> > day can be handled but almost 50000 is a different story and thats

> > why

> > i am asking the most experienced resource out there ;-)

> > 

> > Thanks in advance for your replay

> > 

> > Cheers Frederik

> > 

> > 

> > -- 

> > Dr.-Ing. Frederik Kramer

> > Geschäftsführer

> >         

> > initOS GmbH

> > An der Eisenbahn 1

> > 21224 Rosengarten

> >         

> > Phone:  +49 4105 56156-12

> > Fax:    +49 4105 56156-10

> > Mobil:  +49 179 3901819

> >         

> > Email: frederik.kramer@initos.com

> > Web:   www.initos.com

> >         

> > Geschäftsführung:

> > Dr.-Ing. Frederik Kramer & Dipl.-Ing. (FH) Torsten Francke

> > 

> > Sitz der Gesellschaft: Rosengarten – Klecken

> > Amtsgericht Tostedt, HRB 205226

> > Steuer-Nr: 15/200/53247

> > USt-IdNr.: DE815580155

> > 

> > _______________________________________________

> > Mailing-List: https://odoo-community.org/groups/contributors-15

> > Post to: mailto:contributors@odoo-community.org

> > Unsubscribe: https://odoo-community.org/groups?unsubscribe

> 

> 

-- 
Dr.-Ing. Frederik Kramer
Geschäftsführer
        
initOS GmbH
An der Eisenbahn 1
21224 Rosengarten
        
Phone:  +49 4105 56156-12
Fax:    +49 4105 56156-10
Mobil:  +49 179 3901819
        
Email: frederik.kramer@initos.com
Web:   www.initos.com
        
Geschäftsführung:
Dr.-Ing. Frederik Kramer & Dipl.-Ing. (FH) Torsten Francke

Sitz der Gesellschaft: Rosengarten – Klecken
Amtsgericht Tostedt, HRB 205226
Steuer-Nr: 15/200/53247
USt-IdNr.: DE815580155

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