[Lio]

Yep, I agree with this.

Jean Boussier wrote this execellent examination of CPU bound Rails application and why making use of multi-processes is probably a good idea.

Even if you're not using CPU bound it's still daft to leave performance on the table you don't need to.

For the most part if something is a bit slower than it needs to be it still makes more sense to take the obvious bottle necks out before you rewrite the whole system in another language. Especially with YJIT and forcoming ZJIT availible.

1. https://byroot.github.io/ruby/performance/2025/01/23/the-myt...

[richardlblair]

Love all the work Jean Boussier does for the ecosystem.

I would add to this commentary that there are a number of things you can do in Rails to speed it up. For instance, ActionController::Metal