Kubernetes Expert — Diagnosing Failures and Protecting the Cluster
NotReady, etcd restore, eviction, drain and upgrades on a real cluster
고급 · Lessons 15 · Lab 5
Curriculum
The Node Is NotReady
Control Plane and etcd
Resources, QoS, OOM and Eviction
Scheduling — Pending, Drain and Priority
Zero-Downtime Minor Upgrade
Reference docs
- Kubernetes — Version Skew Policy
- Kubernetes — Upgrading kubeadm clusters
- Kubernetes — Operating etcd clusters for Kubernetes
- Kubernetes — Certificate Management with kubeadm
- Kubernetes — Node-pressure Eviction
- Kubernetes — Pod Quality of Service Classes
- Kubernetes — Resize CPU and Memory Resources assigned to Containers
- Kubernetes — Pod Topology Spread Constraints
- Kubernetes — Pod Priority and Preemption
- Kubernetes — Specifying a Disruption Budget
- Kubernetes — Troubleshooting Clusters
- etcd — Maintenance (space quota, defragmentation)