etcd open source analysis

Distributed reliable key-value store for the most critical data of a distributed system

Project overview

⭐ 50886 · Go · Last activity on GitHub: 2025-11-28

GitHub: https://github.com/etcd-io/etcd

Why it matters for engineering teams

etcd addresses the critical need for a reliable, distributed key-value store that maintains consistent data across multiple nodes in a cluster. It is particularly suited for engineering teams focused on distributed systems, site reliability engineering, and infrastructure management, offering a production ready solution that ensures consensus and fault tolerance. Its maturity is proven through widespread use in Kubernetes and other cloud native projects, making it a dependable choice for storing configuration data and metadata. However, etcd may not be the right choice for applications requiring high throughput or complex querying capabilities, as it prioritises consistency and reliability over raw performance or rich data models.

When to use this project

etcd is a strong choice when you need a self hosted option for distributed coordination and configuration management in production environments. Teams should consider alternatives if their primary need is a high-performance database or if they require advanced querying beyond simple key-value operations.

Team fit and typical use cases

Platform engineers and backend developers benefit most from using etcd as an open source tool for engineering teams managing distributed infrastructure. They typically use it to store critical configuration data, service discovery information, and cluster state in systems like Kubernetes. It is commonly found in cloud native products and infrastructure projects where consistency and fault tolerance are essential.

Topics and ecosystem

cncf consensus database distributed-database distributed-systems etcd go key-value kubernetes raft

Activity and freshness

Latest commit on GitHub: 2025-11-28. Activity data is based on repeated RepoPi snapshots of the GitHub repository. It gives a quick, factual view of how alive the project is.