Multi-master control plane, pod disruption budgets, anti-affinity rules, and topology-aware routing for HA Kubernetes.
Multi-master control plane, pod disruption budgets, anti-affinity rules, and topology-aware routing for HA Kubernetes.
HA Kubernetes requires: 3+ control plane nodes (etcd quorum tolerates 1 failure), load balancer in front of API servers, worker node redundancy across availability zones, PodDisruptionBudgets (prevent all replicas evicted during upgrades), pod anti-affinity (spread replicas across nodes), topologySpreadConstraints (spread across AZs).
Key takeaways
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