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 the web requests, that can not be executed due to overload of the CPU of execution machine, will be sent to a queue.
  3. Schedule the test list to be executed using the option 'Distribute tests among these machines'.
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