Source: https://seerepo.com/compare/etcd-io/etcd/vs/thanos-io/thanos
Markdown source: https://seerepo.com/compare/etcd-io/etcd/vs/thanos-io/thanos.md
Description: etcd and thanos share 8 technologies: net/http, github.com/olekukonko/tablewriter, Prometheus, OpenTelemetry, github.com/coreos/go-systemd/v22, github.com/prometheus/client_model, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, and go.opentelemetry.io/otel/sdk. Both are written in Go.

# etcd vs thanos

etcd and thanos share 8 technologies: net/http, github.com/olekukonko/tablewriter, Prometheus, OpenTelemetry, github.com/coreos/go-systemd/v22, github.com/prometheus/client_model, 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
- [thanos-io/thanos](https://seerepo.com/r/thanos-io/thanos): Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.

## What they share and what sets them apart

- In common: net/http, github.com/olekukonko/tablewriter, Prometheus, OpenTelemetry, github.com/coreos/go-systemd/v22, github.com/prometheus/client_model, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, go.opentelemetry.io/otel/sdk
- Only in etcd: go.etcd.io/etcd/api/v3, 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, gopkg.in/natefinch/lumberjack.v2
- Only in thanos: github.com/thanos-io/objstore, github.com/bradfitz/gomemcache, HashiCorp, github.com/golang/groupcache, github.com/redis/rueidis, Google, React, golang.org/x/oauth2, github.com/go-kit/log, github.com/prometheus/client_golang, github.com/prometheus/common, go.opentelemetry.io/otel/trace, github.com/mwitkow/go-conntrack, github.com/prometheus/alertmanager, go.opentelemetry.io/otel/exporters/jaeger, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp, github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace, github.com/prometheus/client_golang/exp, github.com/tjhop/slog-gokit, github.com/uber/jaeger-client-go, go.opentelemetry.io/otel/exporters/otlp/otlptrace, reactstrap, CodeMirror, @lezer/highlight, jquery.flot.tooltip, rc-slider, react-copy-to-clipboard, react-infinite-scroll-component, react-resize-detector, react-select, tempusdominus-bootstrap-4, tempusdominus-core, Font Awesome, sanitize-html

## Side by side

| | etcd | thanos |
|---|---|---|
| Size | 203,445 lines written, 512 code files | 190,225 lines written, 425 code files |
| Who writes it | 0% of its commits signed by AI. With GitHub Copilot and Claude Code | 0% of its commits signed by AI. With Claude Code |
| Activity | Last push November 5, 2026, 15,934 commits, 52,462 stars | Last push November 4, 2026, 4,515 commits, 14,269 stars |
| Tests | 521 test files. 69.7% of its code files have a test that imports them | 282 test files. 63.8% 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 thanos?

etcd, with 203,445 lines written; thanos has 190,225.

The proof: [etcd-io/etcd's code at commit cda871c](https://github.com/etcd-io/etcd/tree/cda871cc952195664ebec450b77709c12f2d2a88)

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

etcd, with 52,462 stars; thanos has 14,269.

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

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

etcd, with 521 test files; thanos has 282.

The proof: [etcd-io/etcd's code at commit cda871c](https://github.com/etcd-io/etcd/tree/cda871cc952195664ebec450b77709c12f2d2a88)

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

etcd: its last push was on November 5, 2026, and thanos's on November 4, 2026.

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

## Sources

- etcd-io/etcd: Read on November 5, 2026, at commit cda871c (https://github.com/etcd-io/etcd/tree/cda871cc952195664ebec450b77709c12f2d2a88)
- thanos-io/thanos: Read on November 9, 2026, at commit df1f3f3 (https://github.com/thanos-io/thanos/tree/df1f3f3d5e72769dc639cb6006a7972b168672ce)

## 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.