Dive into a comprehensive conference talk on OpenTelemetry metrics delivered at Conf42 DevOps 2024. Explore the importance of metrics in modern software development, comparing Prometheus and OpenTelemetry approaches. Learn about OpenTelemetry's promise, project goals, and key components like collectors, receivers, processors, and exporters. Understand how to ship OpenTelemetry metrics to Prometheus, differentiate between metric types, and grasp cumulative vs. delta concepts. Discover naming conventions, current state of OpenTelemetry metrics, and future integration with Prometheus. Gain valuable insights into this evolving field of observability and monitoring in just 25 minutes.