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Optimized Stress Tool

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What is Gatling ?

Gatling is a stress tool. Development is currently focusing on HTTP support.


  • Fed up with fancy GUI that generate huge unreadable XML scenarios, what you want is scripts and a user friendly DSL?
  • Fed up with having to host a farm of injecting servers because your tool use blocking IO and one-thread-per-user architecture?

Gatling is for you!

Underlying technologies

Gatling is built upon :

  • Async Http Client and Netty for non blocking HTTP
  • Akka for actions (requests, pauses, assertions, etc...) modeling and orchestration
  • Scala interpreter for scripting ...


  • 1.0.3 released on january 28th 2012 More details on release notes

Questions, help?

Read the documentation on the Wiki.

Join the Gatling User Group.

Got a real problem? Raise an issue.


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