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Re: initialization of qweb template caches on website

by Gustavo Valverde <gustavo@iterativo.do> - 08/06/2020 15:20:29
Hi Alexandre, 

This is an interesting subject, as it's kind of hard to find a sweet spot.

I've been dealing with Odoo performance improvements in different scenarios for a few months now. I thought I had most of it figured out until I started dealing with ecommerce and fighting with Google's pagespeed. 

I found out multiple things have to be taken into consideration when dealing with websites:
  • If you have a high amount of workers, restarting or redeploying new changes make things hellish slow.
  • Mixed setups (multiprocess for the backend + multithread for the website) make things better; but it depends on the load and amount of online visitors that you could have at the same time.
  • Nginx caching and CDNs are your friends. Don't be afraid of caching /web/content, but do not cache it for excessive times.
Regards,

On Mon, Jun 8, 2020 at 8:22 AM Alexandre Fayolle <alexandre.fayolle@camptocamp.com> wrote:
Hello,

A customer (odoo 12.0) here is facing a performance issue related to
qweb templates on the website. The first time a worker serves these, we
get terrible performance. I suspect we are not the only ones facing
this. Using an external service to GET /shop for instance on a regular
basis sort of alleviates this, but this is really unelegant.

Is there a killer module I missed which is able to preload the cache for
a number of views each time a worker is started? Or some other strategy?

Thanks for your feedback



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