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Tester Guide
This guide describes the tasks that you can perform for testing various domains, technologies, and applications. To enable testing, you must configure and enable the environment for testing.
Technical Tester Guide
Typically, a user with the Integration Tester role is also responsible for performance testing. This guide lists all such topics.
Creating and running performance tests
This topic describes how to create, configure, and run performance tests.
Creating performance tests
A performance test is created within a Rational® Integration Tester project.
Execution
Select the root of the performance test in the configuration tree to display its configuration details, as shown below.
Configuring statistics
The Statistics options define the time interval during which probe statistics should be collected.

Tester Guide
This guide describes the tasks that you can perform for testing various domains, technologies, and applications. To enable testing, you must configure and enable the environment for testing.
- Integration Tester Reference
  This guide provides the topics to help the Integration tester use the product by using the user interface, commands or scripts. This guide is intended for Integration testers.
- Technical Tester Guide
  Typically, a user with the Integration Tester role is also responsible for performance testing. This guide lists all such topics.
  - Creating and running performance tests
    This topic describes how to create, configure, and run performance tests.
    - Before creating performance tests
      Agents (Rational® Integration Tester Agent) are required on the computers that will run IBM® Rational Integration Tester tests and the probes that monitor the systems.
    - Creating performance tests
      A performance test is created within a Rational® Integration Tester project.
      - Execution
        Select the root of the performance test in the configuration tree to display its configuration details, as shown below.
        Load profiles
        The load profile defines the way in which the tests run (that is, the rate of speed at which new test iterations are started).
        Configuring parameters
        The data set must contain two columns that will be used by the profile.
        Configuring statistics
        The Statistics options define the time interval during which probe statistics should be collected.
      - Configuring references
        You can configure a performance test to run scenarios, which are collections of stubs, that are available on the IBM® Rational® Test Control Panel domain associated with your Rational Integration Tester project.
      - Configuring probes
        The Probes tab (on the Config tab) is used to configure which probes to run during the test, and where to run them.
      - Adding distributed tests
        You can add distributed tests to a performance test.
      - Log Measurement action (optional)
        With the Log Measurement action, you can periodically record custom data, that is, data that is not provided by test engines and probes, as a performance test runs. The recorded data is stored in a database and is used to generate performance charts. Each item of data that is recorded is called a counter. Attributes are used to identify the counters. A UTC time stamp is stored with each set of counters.
    - Performance tests
      Performance tests are executed in Rational® Integration Tester in the same way and from the same perspectives as any other test resource.
    - Troubleshooting: Running a performance test with a MySQL database
      You can troubleshoot an issue that you encounter while you run a performance test with a MySQL database.
  - View test results
    This topic describes how to work with IBM® Rational® Performance Test Server charts in the Results Gallery perspective.
  - Deploying probes
    A Rational® Integration Tester probe measures variables from a particular component in the system and reports back its findings for processing and storage.
- Integration Tester Guide (Service Virtualization)
  This guide describes the tasks that you can perform for using virtual services or stubs to simulate parts of an environment if the real services are not yet available or because they are difficult or expensive to use. This guide is intended for Integration Testers.

Configuring statistics

The Statistics options define the time interval during which probe statistics should be collected.

About this task

To configure statistics:

Procedure

The interval at which counters are returned (Statistics collection interval (seconds)) can be set for each period, and the minimum interval is one second.
Additionally, you can configure probe statistics to be collected for some period of time before tests are executed and after they have completed. The pre-load statistics can provide insight into the system in its quiescent state. The after period can show how the system is impacted after the tests have completed (for example, there might be residual issues with CPU or memory while programs process data after the Rational® Integration Tester tests have completed).
Note: Using a shorter interval may not improve results. Instead, it may simply increase the amount of data in the database.