---
title: etcd
id: etcd
date: 2018-04-12
full_link: /docs/tasks/administer-cluster/configure-upgrade-etcd/
short_description: >
  Consistent and highly-available key value store used as Kubernetes' backing store for all cluster data.

aka: 
tags:
- architecture
- storage
---
 Consistent and highly-available key value store used as Kubernetes' backing store for all cluster data.

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Always have a backup plan for etcd's data for your Kubernetes cluster. For in-depth information on etcd, see [etcd documentation](https://github.com/coreos/etcd/blob/master/Documentation/docs.md).