Your question is Scalable Logs System. 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).
Design a scalable system for harnessing logs for Booking.com's internal infrastructure.
Asked in the onsite stage. Clarify the intended consumers and use cases before proposing the design, such as operational search, anomaly detection, incident investigation, or capacity forecasting.
Address:
Do not assume scale, latency, retention, or label availability. State the clarifying questions and show how your design changes based on their answers.