What Is etcd in Kubernetes? A Deep Dive into the Cluster’s Key-Value Store

What Is etcd in Kubernetes? A Deep Dive into the Cluster’s Key-Value Store

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etcd is a distributed, consistent, and highly available key-value store that serves as the primary data store for Kubernetes. It holds all the configuration data, state information, and metadata that define a Kubernetes cluster’s current status and desired state. In essence, etcd is the source of truth for the Kubernetes control plane.