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JMeter Controllers

JMeter has two types of Controllers − Samplers and Logic Controllers.

Samplers

Samplers allow JMeter to send specific types of requests to a server. They simulate a user request for a page from the target server. For example, you can add a HTTP Request sampler if you need to perform a POST, GET, or DELETE on a HTTP service.
Some useful samplers are −
  • HTTP Request
  • FTP Request
  • JDBC Request
  • Java Request
  • SOAP/XML Request
  • RPC Requests
Logic Controllers
Logic Controllers let you control the order of processing of Samplers in a Thread. Logic controllers can change the order of a request coming from any of their child elements. Some examples are − ForEach Controller, While Controller, Loop Controller, IF Controller, Run Time Controller, Interleave Controller, Throughput Controller, and Run Once Controller.
The following list consists of all the Logic Controllers JMeter provides −
  • Simple Controller
  • Loop Controller
  • Once Only Controller
  • Interleave Controller
  • Random Controller
  • Random Order Controller
  • Throughput Controller
  • Runtime Controller
  • If Controller
  • While Controller
  • Switch Controller
  • ForEach Controller
  • Module Controller
  • Include Controller
  • Transaction Controller
  • Recording Controller
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