You can use LoadRunner’s Terminal Services Manager to remotely manage multiple load generators running in your load testing scenario on a terminal server. In addition, you can use a terminal server to overcome the limitation of being able to run only a single GUI Vuser on a Windows-based load generator. By opening a terminal server session for each GUI Vuser, you can run multiple GUI Vusers on the same application.
About Terminal Services
Terminal services allows centralized management of computing resources for each client connected to the server, and provides each user with their own working environment. Using a terminal server client, you can operate in a server-based computing environment from a remote machine. The terminal server transmits applications over the network and displays them via terminal emulation software. Each user logs on and sees only their individual session, which is managed transparently by the server operating system, independent of any other client session.Examine the following diagram to understand how the LoadRunner components work together during a terminal session.
Terminal Services Manager
A terminal server client can have multiple terminal sessions running simultaneously. Using LoadRunner’s Terminal Services Manager, you can select the number of terminals to be used in your scenario (provided that you have sufficient terminal sessions running), and the maximum number of Vusers that can be run per terminal. The Terminal Services Manager then evenly distributes the number of virtual users among the client sessions.
To use LoadRunner’s Terminal Services Manager:
Setting up the Terminal Server Agent
Before you set up the terminal server agent on the Load Generator machine, make sure that a Load Generator has been installed on the Terminal server machine. For more information, refer to the LoadRunner Installation Guide.
To set up the Terminal Server Agent on the Load Generator Machine:
Launching a Terminal Client Session
A terminal services client must be installed on the Controller machine before you can launch a terminal client session. For more information on installing a terminal services client, refer to the installation documentation for your Terminal server.
To open a Terminal Client session on the Controller machine:
Distributing Vusers on the Terminal Server
Select the Terminal Services tab to distribute Vusers running in your load testing scenario on a terminal server.
Name: The name of the Terminal server. You only need to add the name of the terminal server to the Load Generators list once, regardless of the number of instances that you intend to run.
Platform: The type of platform on which the load generator is running.
Temporary Directory: Type a location, on the load generator, where the Controller can store temporary files. By default,LoadRunner stores temporary files on the load generator during scenario execution, in a temporary directory specified by the load generator’s TEMP or TMP environment variables.
Enable Terminal Services Manager: Enables the Terminal Services settings to be applied to load generator running on the terminal server.
Number of terminals: Enter the number of terminals that you want to use in your load test. Note that you must open a terminal client session for each terminal that you want to run Vusers on during the scenario.
Maximum number of Vusers per terminal: Enter the maximum number of Vusers that you want to run on each terminal. The maximum number of Vusers per terminal depends on the Vuser type used in the script.
Defaults: Sets the number of terminals to two, and the maximum number of Vusers per terminal to 50.
Check the connection between the Controller and the load generator on the terminal server. In the Controller, select the load generator in the Load Generators dialog box, and click Connect. The status changes from Down to Ready when the load generator is connected. If there is no connection, check that the LoadRunner agent icon appears in the system tray of the terminal server. This indicates that the agent is running. Restart the LoadRunner agent if necessary from Start > Programs > Mercury LoadRunner > LoadRunner Agent Service/Process.
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Load Test Planning
The Loadrunner Controller At A Glance
Creating A Manual Scenario
Creating A Manual Scenario Using The Percentage Mode
Creating A Goal-oriented Scenario
Scheduling A Scenario
Using Rendezvous Points
Configuring A Scenario
Preparing To Run A Scenario
Managing Scenarios Using Quality Center
Running A Scenario
Viewing Vusers During Execution
Using Firewalls In Loadrunner
Running Vusers Over A Firewall
Monitoring Over A Firewall
J2ee Diagnostics Module
Erp/crm Diagnostics Modules
Configuring Online Graphs
Remote Performance Monitoring
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