Puru Yanamala

Architecting Stateful Resilience: Multi-Cluster Databases, etcd v3.7, and Zero-Downtime EKS Upgrades

Running distributed databases across multiple Kubernetes clusters promises regional fault tolerance, but control plane upgrades frequently trigger split-brain states and data corruption. Combining recent etcd v3.7 advancements with managed rollback capabilities like EKS Version Rollback creates a deterministic framework for stateful disaster recovery.