Pods & Pixels

Pods & Pixels

Share this post

Pods & Pixels
Pods & Pixels
Etcd: A Key-Value Store That Stores All Cluster Data

Etcd: A Key-Value Store That Stores All Cluster Data

Christopher Adamson's avatar
Christopher Adamson
May 10, 2025
∙ Paid

Share this post

Pods & Pixels
Pods & Pixels
Etcd: A Key-Value Store That Stores All Cluster Data
Share

If you’ve ever wondered where Kubernetes stores all its internal state—everything from Pod definitions to ConfigMaps, from cluster events to RBAC rules—the answer is etcd.

Etcd is a distributed, consistent, and highly-available key-value store used as Kubernetes’ source of truth. Without etcd, Kubernetes wouldn’t remember anything—it’s where all the clus…

Keep reading with a 7-day free trial

Subscribe to Pods & Pixels to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Christopher Adamson
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture

Share