Kubernetes Observability Tools
Explore popular tools and strategies for gaining deep visibility into Kubernetes clusters. Understand how to monitor pods, nodes, and services.
K8s Observability: Why It's Unique
Kubernetes environments are dynamic and complex. Pods come and go, services scale, and nodes can fail. Traditional monitoring struggles with this constant change.
- Observability in K8s means understanding the health and performance of your entire cluster, from nodes to individual application containers.
- We need specialized tools to collect logs, metrics, and traces from these ever-changing components effectively.
What to Observe in Kubernetes
To keep your K8s cluster healthy and your applications running smoothly, you need to monitor several key areas:
- Resource Utilization: CPU, memory, disk, and network usage across nodes and pods.
- Application Health: Readiness and liveness probes, error rates, latency of your deployed apps.
- Cluster Components: Health of the control plane (API server, scheduler, etcd) and worker nodes.
- Network Traffic: Ingress/egress, DNS resolution, and service-to-service communication.
All lessons in this course
- Observability for Microservices
- Kubernetes Observability Tools
- Serverless Observability Challenges
- Service Meshes and Observability