Your question is Design a Multi-Tenant Rate Limiter. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How would you design a rate limiter with dynamic, service- and tenant-based rules, and what would you do if one service’s load starts impacting CPU and slows rate-limit checks for other services?