Master Latency Metrics: P90, P95, P99 Explained for System Design Interviews

Master Latency Metrics: P90, P95, P99 Explained for System Design Interviews

 

https://knowledge.businesscompassllc.com/master-latency-metrics-p90-p95-p99-explained-for-system-design-interviews/

 

Ever bombed a system design interview because you couldn’t explain the difference between P95 and P99 latency? You’re not alone. I’ve watched brilliant engineers stumble when asked what these metrics actually mean for real-world applications.