This article explains Kubernetes metrics and their importance in monitoring cluster health and performance. It covers various types of metrics, such as cluster, node, pod, network, storage, and application metrics, along with tools for effective monitoring.

The article discusses the OpenTelemetry Protocol (OTLP) Metrics API, which provides a unified way to collect, transmit, and manage metrics data across various systems. It highlights the benefits of using OTLP for observability and monitoring, emphasizing its role in enhancing application performance and reliability. Additionally, the article outlines implementation details and best practices for leveraging the API effectively.