Source: https://seerepo.com/compare/etcd-io/etcd/vs/vitessio/vitess
Markdown source: https://seerepo.com/compare/etcd-io/etcd/vs/vitessio/vitess.md
Description: etcd and vitess share 8 technologies: net/http, go.etcd.io/etcd/api/v3, etcd, github.com/olekukonko/tablewriter, Prometheus, OpenTelemetry, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, and go.opentelemetry.io/otel/sdk. Both are written in Go.

# etcd vs vitess

etcd and vitess share 8 technologies: net/http, go.etcd.io/etcd/api/v3, etcd, github.com/olekukonko/tablewriter, Prometheus, OpenTelemetry, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, and go.opentelemetry.io/otel/sdk. Both are written in Go.

- [etcd-io/etcd](https://seerepo.com/r/etcd-io/etcd): Distributed reliable key-value store for the most critical data of a distributed system
- [vitessio/vitess](https://seerepo.com/r/vitessio/vitess): Vitess is a database clustering system for horizontal scaling of MySQL.

## What they share and what sets them apart

- In common: net/http, go.etcd.io/etcd/api/v3, etcd, github.com/olekukonko/tablewriter, Prometheus, OpenTelemetry, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, go.opentelemetry.io/otel/sdk
- Only in etcd: github.com/cheggaaa/pb/v3, github.com/golang-jwt/jwt/v5, go.uber.org/zap, go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc, go.opentelemetry.io/otel, github.com/coreos/go-systemd/v22, github.com/prometheus/client_model, gopkg.in/natefinch/lumberjack.v2
- Only in vitess: Gorilla, s3, github.com/patrickmn/go-cache, SQLite, MySQL, Google, Vite, React, react-router-dom, golang.org/x/oauth2, log4j-core, github.com/aws/aws-sdk-go-v2, Apache, github.com/aws/aws-sdk-go-v2/config, github.com/golang/glog, github.com/lmittmann/tint, github.com/prometheus/common, go.opentelemetry.io/otel/exporters/otlp/otlptrace, go.opentelemetry.io/otel/trace, Tailwind CSS, classnames, Headless UI, xyflow, D3, downshift, react-json-tree, react-toastify, @bugsnag/js

## Side by side

| | etcd | vitess |
|---|---|---|
| Size | 203,445 lines written, 512 code files | 1,290,379 lines written, 1,900 code files |
| Who writes it | 0% of its commits signed by AI. With GitHub Copilot and Claude Code | 0.9% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, Devin, Codex, and Aider |
| Activity | Last push November 5, 2026, 15,934 commits, 52,462 stars | Last push November 5, 2026, 27,950 commits, 21,406 stars |
| Tests | 521 test files. 69.7% of its code files have a test that imports them | 1,515 test files. 64.7% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, etcd or vitess?

vitess, with 1,290,379 lines written; etcd has 203,445.

The proof: [vitessio/vitess's code at commit 86a183c](https://github.com/vitessio/vitess/tree/86a183cf51764440b075f467886616fa5b9ab43b)

### Which has more GitHub stars, etcd or vitess?

etcd, with 52,462 stars; vitess has 21,406.

The proof: [etcd-io/etcd on GitHub](https://github.com/etcd-io/etcd)

### Which has more tests, etcd or vitess?

vitess, with 1,515 test files; etcd has 521.

The proof: [vitessio/vitess's code at commit 86a183c](https://github.com/vitessio/vitess/tree/86a183cf51764440b075f467886616fa5b9ab43b)

### Which was updated more recently, etcd or vitess?

Both got their last push on November 5, 2026.

The proof: [etcd-io/etcd's commits on GitHub](https://github.com/etcd-io/etcd/commits)

### Which has more commits signed by AI, etcd or vitess?

vitess: an AI signed 0.9% of its commits, with Claude Code, GitHub Copilot, Cursor, Devin, Codex, and Aider.

The proof: [the commits each tool signed in vitessio/vitess](https://seerepo.com/r/vitessio/vitess/ai)

## Sources

- etcd-io/etcd: Read on November 5, 2026, at commit cda871c (https://github.com/etcd-io/etcd/tree/cda871cc952195664ebec450b77709c12f2d2a88)
- vitessio/vitess: Read on November 5, 2026, at commit 86a183c (https://github.com/vitessio/vitess/tree/86a183cf51764440b075f467886616fa5b9ab43b)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.