System Design · Apple · Hard
Real-Time Log Processing Platform System Design Phone Software Engineer Reported Mar, 2026 Problem Statement Create a log-processing platform that receives an uninterrupted stream of application logs from a large fleet of services and computes error totals in real time. Because dashboards and alerting consume those totals, they must be both low-latency and reliable. The discussion begins with the main design prompt, then examines two follow-up areas: How would you make the…
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