A scenario consists of groups of Vusers that emulate human users interacting with your application. When you run a scenario, the Vusers generate load on the server, and LoadRunner monitors the server and transaction performance. Vuser groups are used to organize the Vusers in a scenario into manageable groups. You create Vuser groups that contain Vusers with shared or similar characteristics. For example, you can create a Vuser group for all Vusers that run the same Vuser script.
Understanding the Manual Scenario Mode Design Tab
When you create a manual scenario, the Controller displays the Scenario Schedule and Scenario Groups panes in the Design tab.
The Scenario Schedule pane displays information regarding the schedule profile: its name, the schedule mode, the duration of the scenario, and the load behavior. Load Preview displays a graph of the scenario schedule you defined. The Scenario Groups pane lists all enabled and disabled Vuser Groups, their paths, the number of Vusers assigned to each group, and the load generator machines. You can perform the following actions on a Vuser group or scenario:
Adding a Vuser Group
Vuser groups can be created and added to a scenario using the Add Group dialog box.
To create Vuser Groups:
The Add New Load Generator dialog box opens:
Type the name of the load generator in the Name box. In the Platform box, select the type of platform on which the load generator is running. 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. To override this default for a specific load generator, type a location in the Temporary Directory box. To allow the load generator to take part in the scenario, checkEnable load generator to take part in the scenario.
Click More to expand the dialog box and show the Add Load Generator tabs. Click OK to close the Add New Load Generator dialog box.
Understanding the Add Group Dialog Box
Use the Add Group dialog box to insert a new group into the scenario.
Group Name: Enter the name of the new group you want to add. Note that the name is limited to a maximum of 55 characters.
Vuser Quantity: Select the number of Vusers you want to add to the group.
Load Generator Name: Select the name of the load generator machine for the new group. Choose a previously existing load generator from the list or create a new load generator by choosing Add. The Add Load Generator dialog box opens.
Select Script: Displays the available scripts in the current directory. The list contains all scripts that you previously added to the scenario.
Note: While a scenario is running, you can add Vuser groups to the scenario and enable them. However, if you add a Vuser group after all the Vusers in the scenario have been ramped up, the new group will not run in the scenario.
Deleting a Vuser Group
To delete a Vuser group, click the Remove Group button to the right of the Scenario Groups pane, or right-click the Vuser group and selectRemove Group.
Disabling a Vuser Group
By default, all the Vuser groups displayed in the Scenario Groups pane are enabled to run in the scenario. To disable a Vuser group, click the box to the left of the Vuser group name. The color of the group changes to gray, indicating that the group will not take part in the scenario. To re-enable the Vuser group, select the same box again.
Modifying a Vuser Group from the Scenario Groups Pane
You can modify the script, vuser quantity, and load generator for a Vuser group directly from the Scenario Groups pane of the Controller, or by using the Group Information dialog box.
To modify a Vuser Group directly from the Scenario Groups pane:
Modifying a Vuser Group Using the Group Information Dialog Box
The Group Information dialog box displays details about a Vuser group, and lets you modify the settings of a group.
To modify a Vuser Group using the Group Information dialog box:
Understanding the Group Information Dialog Box
Use the Group Information dialog box to display details about a Vuser group, and modify the settings of a group.
Group Name: Displays the current group name. To modify the name, type a new name in the Group Name box.
Load Generator Name: Displays the name of the selected Vuser’s load generator. To specify a different load generator, select one from the Load Generator Name list. Select Add from the Load Generator Name list to specify a new load generator.
Vuser Quantity: Displays the number of Vusers in the group.
Script: Displays details of the selected script.
Sorting Vuser Groups in the Scenario Groups Pane
Once you have created your Vuser groups, you can sort them by group name, script name, quantity of Vusers assigned to the group, or load generator name.
To sort Vuser groups:
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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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