processone/tsung

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

2629 stars · 402 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Tsung is a multi-protocol distributed load testing and benchmarking tool written in Erlang. It simulates thousands of clients to test the scalability and performance of IP-based client/server applications over protocols like HTTP, WebDAV, SOAP, PostgreSQL, MySQL, LDAP, MQTT, AMQP, and Jabber/XMPP.

Use cases

• load test an HTTP web service with thousands of concurrent users
• benchmark an XMPP messaging server's scalability
• stress test a PostgreSQL or MySQL database under heavy query load
• simulate distributed traffic against an MQTT or AMQP broker
• measure performance of an LDAP directory server
• run distributed load tests from multiple machines

When to choose

• you need multi-protocol load testing beyond plain HTTP
• you want distributed load generation from multiple nodes
• you need to benchmark messaging protocols like XMPP, MQTT, or AMQP
• you need very high concurrency thanks to Erlang's lightweight processes

When to avoid

• you only need simple HTTP load testing with a modern scripting workflow (tools like k6 or Locust may be easier)
• you prefer writing test scenarios in a general-purpose language rather than XML
• you need a GUI-driven load testing tool
• your team has no Erlang/OTP operational experience

Facets

framework · maturity active

benchmarking load-testing testing testing performance developer-tools networking elixir cli cross-platform load-testing multi-protocol distributed http xmpp mqtt amqp ldap database-load-testing erlang linux macos

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