Dive into advanced system monitoring and observability techniques using OpenTelemetry, Grafana, and Promscale in this comprehensive 43-minute conference talk. Explore the fundamentals of OpenTelemetry and Promscale, followed by an in-depth demonstration showcasing Grafana's powerful features. Learn to analyze latency, interpret latency histograms, and leverage Grafana's tracing capabilities. Discover how to visualize service dependencies, utilize Grafana tables, and master recursive queries to gain unprecedented insights into your system's performance and behavior.