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# Controller and Load Generator Resources monitor

By default, OpenText Professional Performance Engineering monitors system resource usage for the Controller and load generator machines during a scenario. This helps you determine the impact of Vuser load on these components.

The collected metrics can be viewed in the Infrastructure Testing Graphs > Controller and Load Generator Resources graph.

The monitor collects the following measurements for Controller and each load generator machine:

- CPU usage

- Memory usage

- Disk usage

Note:

- Disk usage is supported on Windows machines in version 26.1, and on both Windows and Linux from version 26.3.)

- Metrics are not collected for Dockerized load generators.

To deactivate monitoring of the Controller and load generators, in the Tools > Options > Monitors tab, clear the Enable LG Monitoring checkbox.

### See also

- View and customize online monitor graphs
- Infrastructure Testing graphs
- Monitors tab

https://admhelp.microfocus.com Professional Performance Engineering,VuGen 8942
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