Skip to content
CAI
Produce a survey ↗Verify a survey

emqx/emqtt-bench

This system is a lightweight benchmarking utility for MQTT v5.0, designed to measure performance across connection, publish, and subscribe operations. It supports multiple transport protocols including TLS/SSL, QUIC, and WebSocket, and provides comprehensive build and release automation for macOS. The tool also exposes Prometheus metrics via an HTTP endpoint for monitoring and includes configurable logging backends.

51.7

Adequate · 1 August 2026

1.9k

lines of production code

Erlang

primary language

3

bus factor · 39 authors in all

3

measurements over time

CAI band scale
CAI trend line
CAI lens gauges

Survey your own repository

emqx/emqtt-bench was measured the same way every project in this corpus was: the same rubric, at a pinned commit, with the result published in full. Point the surveyor at a repository you know and see whether you agree with it.

Survey a repository

About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 1 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit cb86b18848 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
CAI link cards