Explore the intricacies of microservice performance in this 45-minute conference talk from Spring I/O 2016 in Barcelona. Delve into key concepts for measuring service performance, identifying bottlenecks, and implementing corrective actions to optimize microservices working in tandem. Learn how to reason about individual service performance, understand crucial metrics, and compare performance over time. Expand this knowledge to analyze interconnected services, discovering how each component impacts overall system performance. Gain insights into focusing optimization efforts effectively, covering topics such as latency, throughput, Little's Law, latency distributions, SLA inversion, Amdahl's law, Universal Scalability Law, capacity planning, visualization, and benchmarking techniques.