TOOL SIGNAL / DISCONTINUED

MZBench

Machine Zone

Load Testing Open Source Hybrid

NOT YET REVIEWED · CATALOG DATA

Official site ↗ Source repo ↗
Pricing model
Free; BSD license. Cloud infrastructure costs are separate.
First released
2013
Last verified
Answer

MZBench distributed benchmark scenarios across local or Amazon EC2 nodes and supported millions of connections. Its project is archived in practice and is listed as discontinued despite its historical open-source implementation.

What it is

MZBench distributed benchmark scenarios across local or Amazon EC2 nodes and supported millions of connections. Its project is archived in practice and is listed as discontinued despite its historical open-source implementation.

Best for

  • Load Testing scenarios across typical web and service stacks
  • Teams that prefer open-source licensing and self-hosting options
  • Groups comfortable scripting in Erlang, Python

Not the best fit when

  • New greenfield programs (prefer an active successor or alternative)

Architecture and concurrency

MZBench is commonly operated as hybrid software with scenario authoring in Erlang, Python. Concurrency and distribution depend on how you size workers or injectors.

Fact sheet

Specs

Scripting
ErlangPython
Protocols
HTTPXMPP
Operating systems
Linux
Tags
erlangdistributedawshistoric
Repo health
★ 50 · last push 2024-06-15

CATALOG LAST VERIFIED · 2026-08-12 · CURATED BY NAVEENKUMAR NAMACHIVAYAM

Frequently asked

ANSWER-SHAPED
Who is MZBench for?

MZBench is best for engineers designing load, stress, and performance tests for web and service systems. It is open source, so teams can self-host and extend it. Vendor: Machine Zone. Deployment model: hybrid. Free; BSD license. Cloud infrastructure costs are separate.

How does MZBench differ from Apache JMeter?

Compared with Apache JMeter, deployment is hybrid versus self-hosted for Apache JMeter; scripting centers on Erlang, Python rather than Java, Groovy. MZBench lists protocols HTTP, XMPP; Apache JMeter lists HTTP, HTTPS, JDBC, JMS, FTP, TCP. Status is discontinued versus active. Use the Test Rig to compare full specs side by side before a proof-of-concept.

What scripting language and concurrency model does MZBench use?

MZBench uses Erlang, Python for scripting or scenario definition. Runtime model: code-first scenarios where virtual users execute scripted behavior under load. OS support: Linux. Protocols: HTTP, XMPP. Match these to how your team already authors tests and which systems you must drive under load.

What is the cloud or enterprise path for MZBench?

MZBench supports a hybrid path that can combine self-hosted controllers or agents with cloud or distributed load as the product allows. Teams often keep sensitive assets private while bursting generators into the cloud. As open source, commercial support or hosted siblings may exist separately. Check the official site. Pricing note: Free; BSD license. Cloud infrastructure costs are separate.

What are known limitations of MZBench?

MZBench appears as discontinued in this directory. Prefer an actively maintained alternative for new work. Historical references remain so older docs and diagrams still resolve. Verify any remaining commercial support directly with the vendor before depending on it. Confirm details against the official site and a short proof-of-concept in your environment.