Performance Metrics (Latency, Throughput, P99) — Roadmap Step & Resou…
Reading percentile latencies, QPS and why averages hide problems
- Level: beginner
- Estimated time: 1 days
- Roadmap: System Design
Before this step
Interview questions
- Why do engineers care about p99 latency instead of just the average?
Study resources
- Latency Numbers Every Programmer Should Know (Article) — A famous, widely-bookmarked reference for the relative cost of different operations in a system.
- P99 Latency Explained (Video) — A clear explanation of why percentile latencies matter more than averages.
Part of
- Core System Design Concepts — section
- System Design roadmap — the full learning path