New Relic’s January 2023 ebook emphasizes the importance of distributed tracing in modern application performance monitoring (APM) for microservices and serverless environments. It helps reduce MTTR by revealing request paths, service dependencies, bottlenecks, and errors across complex systems. The guide compares head-based sampling (efficient and low-cost) and tail-based sampling (high-fidelity and ideal for high-volume systems), both supported by New Relic’s platform. With visualizations, automated analysis, and full integration into New Relic APM, teams can trace, diagnose, and resolve issues faster, improving reliability, efficiency, and customer experience.

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