etcd ☆
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Description:
Key value store for shared configuration and service discovery
Type: Formula  |  Latest Version: 3.6.6@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Databases
Tags: distributed-systems key-value-store devops service-discovery kubernetes
Install: brew install etcd
About:
etcd is a distributed, consistent key-value store used for shared configuration and service discovery. It is designed to be highly available and reliable, making it a critical component for managing state in distributed systems like Kubernetes.
Key Features:
  • Distributed and consistent
  • High availability via Raft consensus
  • Simple HTTP/JSON API
  • Watch mechanism for key changes
Use Cases:
  • Kubernetes cluster state storage
  • Service discovery for microservices
  • Centralized configuration management
  • Distributed locking and leader election
Alternatives:
  • consul – Similar functionality but includes a service mesh and health checking as core features
  • zookeeper – Older technology with a more complex data model and protocol
Version History
Detected Version Rev Change Commit
Dec 17, 2025 7:57pm 3.6.6 0 VERSION_BUMP 3da36102
Sep 10, 2025 6:01pm 0 VERSION_BUMP 9c52a762
Nov 12, 2024 8:48pm 0 VERSION_BUMP 4539f2ff
Nov 12, 2024 6:38pm 0 VERSION_BUMP 58901ac5
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