Comparing Container Monitoring Tools: cAdvisor vs Prometheus Node Exporter
When it comes to monitoring containers in a Kubernetes environment, two tools often come to mind: cAdvisor and Prometheus Node Exporter. Both are crucial for gaining insights into your containerized applications, but they serve different purposes and have distinct characteristics. Let’s dive into the details of each tool, their strengths, and how they can be used together to create a comprehensive monitoring setup. cAdvisor: The Container Whisperer cAdvisor is a tool that provides visibility into container resource usage and performance data. It is embedded within the Kubelet, the primary node agent in Kubernetes, and exposes metrics through the /metrics/cadvisor endpoint. Here’s what makes cAdvisor special: ...