Kubernetes and Distributed SQL Databases: Same Consistency With Better Availability and Scalability

Kubernetes once favored etcd for metadata, as earlier relational databases fell short in scalability and availability characteristics. Over time, as k8s workloads came across several etcd limitations, relational databases continued to advance.

This session shows how Kine integrates into the Kubernetes architecture, enabling relational databases for cluster metadata storage. We'll begin with a single-node Postgres setup, then migrate to a multi-node database cluster, enhancing k8s's resilience to zone and region outages and ensuring scalable performance on demand.