Kubernetes Reliability
Kubernetes Reliability Field Manual
Progressive delivery, failure domains, and node hygiene taught through repeated cluster break-fix cycles.
₩2,100,000 reference tuition
Program narrative
You work on multi-node clusters where we inject kubelet delays, etcd hiccups, and network partitions. The goal is confident debugging without guesswork, plus pragmatic upgrade rehearsals that respect maintenance windows.
What is included
- Control plane failure drills with safe rollback paths
- Resource quota games that expose noisy neighbor issues
- Ingress and service mesh debugging without magical thinking
- Node cordoning choreography with workload budgets
- HPA/VPA tuning with realistic traffic generators
- Packaging Helm changes reviewers can skim quickly
- Postmortem templates tuned for kube-specific timelines
Outcomes
- Isolate whether symptoms live in data plane, control plane, or workloads
- Draft an upgrade plan peers can execute overnight
- Keep cluster configs boring enough for junior engineers to extend
FAQ
You should already deploy workloads to a cluster and understand Deployments, Services, and basic kubectl flows.
Participant notes
Partition lab was brutal in the best way; I still sketch failure domains on a whiteboard before upgrades.