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Explore how CPU utilization directly impacts system performance through a systematic, data-driven conference talk from SREcon25 EMEA. Discover the hidden costs of running systems at high CPU utilization levels as Andreas Strikos from GitHub presents controlled experiments conducted on production-grade workloads to measure the relationship between CPU usage, latency, and throughput. Learn about the derivation and validation of a practical "golden formula" that connects CPU utilization, request latency, and system capacity planning. Gain concrete, actionable insights for optimizing CPU-bound workloads and making informed capacity planning decisions based on real data and reproducible experimental methods. Understand why performance and efficiency considerations are critical in today's AI-driven era where computational demand and traffic loads are rapidly increasing. Walk away with evidence-based strategies for balancing system utilization against performance requirements, supported by rigorous testing methodologies that can be applied to your own infrastructure optimization efforts.
