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Remote Load Test Execution

One of the main goals of load testing is to run a great amount of web requests against a web server. Usually this cannot be achieved efficiently if using a single machine. To perform a real load on an application server it is necessary to use as many physical machines as possible. For such load testing scenario the following conditions need to be present:


  • A Run-Time version installed on each execution machine.
  • Scheduling and storage server installed and configured on one of the machines in the setup.
  • All execution clients have to be connected to the scheduling server machine.
  • Sufficient amount of users allocated on the machine which acts as a scheduling server.

Running the tests

  1. Create a test list that contains a load test to be executed.
  2. Assign sufficient amount of virtual users to the machine which acts as a scheduling server. The virtual users amount should correspond to the execution machines which will be used and their CPU units amount. Approximately 8 users per CPU unit seems to be sufficient to have a realistic load testing results. If a lot more users are allocated, there might be HTTP requests queued up, due to overload of the execution machine CPU.
  3. Schedule the test list to be executed using the option 'Distribute tests among the selected machines'.
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