# Single Node with Multiple Metrics

Intelligent O&M allows you to view the performance of multiple metrics on a single instance so that you can compare the metric performance.

#### Procedure

1. Log in to the GaussDB(for openGauss) console.
2. Apply for Intelligent O&M according to Intelligent O&M.
3. Locate your desired instance and click Details to go to the Intelligent O&M overview page.
4. Choose Performance > Single Node with Multiple Metrics.
5. Click Change Node to change the instance node if needed.
6. Click Select Metric and select the instance metrics to display.

   Table 1 Instance metrics
   Category | Metric | Description
   --- | --- | ---
   CPU | CPU Usage | CPU usage of the monitored object (Unit: %)
   CPU Load | Average CPU load over the past 1, 5, and 15 minutes. The value is obtained using the w command.
   CPU Load in Past 1 Minute | Average CPU load over the past 1 minute. The value is obtained using the w command.
   Memory | Memory Usage | Memory usage of the monitored object (Unit: %)
   Available Memory | Memory available to the operating system (Unit: GB)
   Network | Data Transfer In | Average number of bytes sent by the VM of the monitored object in a measurement period (Unit: KB/s)
   Data Transfer Out | Average number of bytes received by the VM of the monitored object in a measurement period (Unit: KB/s)
   Other Metrics | - | -

7. Click OK.
8. Click Detail to the upper right corner of each graph to view the metric details. You can also view the metric details in the last 1 hour, 12 hours, 1 day, 2 days, 7 days, or customize a time range.
9. Click the Performance Trends Comparisons tab, select the desired metrics, and click OK.
10. Click Detail to the upper right corner of each graph to view the metric details. You can also view the metric details in a specified time range within the past week.
11. Enable Interactive Graph to view the performance of other metrics at the same time.
12. Click Full Screen for a clear view.

Parent topic: Performance