#4141st of 173 in Backends, databases and hosting
etcd
Distributed key-value store using Raft, with a gRPC API
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- Stars
- 52.6k
- License
- Apache-2.0
- Last commit
- Nov 2026
- Last release
- Oct 2026
- Language
- Go
Missed the latest GitHub check; these facts may be older.
Overview
etcd is a replicated key-value store written in Go that uses the Raft consensus algorithm for a highly available log. Clients talk to it over gRPC, with TLS and optional client certificate authentication. It is not an AI project; it is infrastructure commonly paired with Kubernetes, and it ships with the etcdctl CLI and a Go client library.
Who it is for: Operators and Go developers needing a consistent coordination or config store
Strengths
- Raft-replicated log gives consistent, highly available storage across cluster members
- Documented benchmark of 10,000 writes/sec
- Automatic TLS with optional client cert authentication
- Robustness test suite in the repo; used in production with Kubernetes
Weaknesses
- No AI features; unrelated to LLM or vibe-coding starters
- Key-value only, no SQL or rich query model
- Main branch may be unstable; use tagged releases
- Multi-member clusters need separate setup and tuning
What it needs
- no GPU
- Docker
- Needs goreman (optional, for local example cluster)
- port 2379
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