Opening yocto as project will freeze

[gyostearm]

Hi Everyone!

I am new to spacemacs, trying to learn. I am opening a huge project (yocto layers, build output etc...) and always freezes at Cleaning up the recentf list....done.
So far my investigation showed that you cannot open huge folder structures like a yocto build, because loading it to emacs is different than in vscode.
Trying the same with normal emacs is actually just snappy, but works.

What is the workaround about this, how do you use it with huge repos?
(I have tried (recentf-mode -1) and all these kind of hacks, but still freezes.)

Do you have any suggestions?
What is the standard workflow for working on huge projects like a Yocto?

Thank you!

[fnussbaum]

Is there a simple way to create (or clone from somewhere) such a huge project, such that I can try to reproduce this?
You can also try the built-in profiler (under the SPC h P prefix), and post the report here.