Amazon EKS helps run Kubernetes workloads in the cloud, but production-grade reliability requires deep visibility and troubleshooting.
Key issues covered include nodes in NotReady state, LoadBalancer service stuck in Pending, Pods in CrashLoopBackOff, API server latency & 5xx errors, and DNS resolution failures.
Resolution steps involve actions like checking disk space, restarting services, tagging subnets, installing controllers, and editing configurations.
Visual diagrams are provided for each issue, along with tips on postmortems, monitoring, automation, and ensuring proper configurations.