Your recruiter will likely share a lot of good tidbits on how to prepare.
There weren't any egregious questions.
I think a large part of the equation is who ends up interviewing you. One of my interviewers seemed quite disinterested and annoyed that I took 45 minutes out of their day.
Your standard LeetCode-style problems, STAR behavioral, etc.
The following metrics were computed from 155 interview experiences for the Meta Production Engineer role in United States.
Meta's interview process for their Production Engineer roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Meta's Production Engineer interview process in United States.