Kubernetes Myth #01: You Need 3 Control Plane Nodes!

We've all heard this: "Kubernetes requires at least 3 control plane nodes for high availability!" But here’s the reality—that’s not always true. Take AWS EKS, for example. It runs with only 2 API server nodes, not 3. However, it still ensures high availability. So, what’s going on?

Mar 12, 2025 - 14:00
 0
Kubernetes Myth #01: You Need 3 Control Plane Nodes!

We've all heard this:
"Kubernetes requires at least 3 control plane nodes for high availability!"

But here’s the reality—that’s not always true.

Take AWS EKS, for example. It runs with only 2 API server nodes, not 3. However, it still ensures high availability.

So, what’s going on?