# How etcd works with and without Kubernetes

DevFeed: [How etcd works with and without Kubernetes](<https://devfeed.tech/articles/how-etcd-works-with-and-without-kubernetes-19131.md>)

Original publisher: [Read original article](<https://learnkube.com/etcd-kubernetes>)

Author: Emanuel Evans

Published: 2021-07-21T00:00:00Z

Content type: tutorial

Language: en

Sources: [Learnk8s](<https://devfeed.tech/sources/learnk8s.md>)

Topics: [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [Database](<https://devfeed.tech/topics/database.md>), [API](<https://devfeed.tech/topics/api.md>), [Processes](<https://devfeed.tech/topics/processes.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [authorization](<https://devfeed.tech/tags/authorization.md>), [database](<https://devfeed.tech/tags/database.md>), [deep-dive](<https://devfeed.tech/tags/deep-dive.md>), [deployment](<https://devfeed.tech/tags/deployment.md>), [distributed](<https://devfeed.tech/tags/distributed.md>), [key-value-store](<https://devfeed.tech/tags/key-value-store.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [process](<https://devfeed.tech/tags/process.md>), [scheduler](<https://devfeed.tech/tags/scheduler.md>), [server](<https://devfeed.tech/tags/server.md>)

## AI overview

A deep dive into etcd as Kubernetes' database, explaining how it fits into the control plane and how to build, configure, and troubleshoot a 3-node etcd cluster.

## Source excerpt

Deep dive into etcd distributed key-value store and how Kubernetes uses it as its database. Learn to build, configure, and troubleshoot a 3-node etcd cluster with practical examples.