High‑Availability Architecture for etcd in Ant Group’s Massive Kubernetes Clusters
The article describes how Ant Group operates a world‑largest Kubernetes deployment of over 10,000 nodes, details the performance challenges of the etcd key‑value store at such scale, and outlines a comprehensive set of hardware upgrades, configuration tuning, monitoring, data‑splitting, and future distributed‑etcd strategies to achieve robust high‑availability.
