# Instance 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 > Instance Performance.
5. Click Select Metric and select the instance metrics to display.

   Table 1 Instance metrics
   Category | Metric | Description
   --- | --- | ---
   Disk Usage | Instance Disk Used Space | Real-time used space of data disks on the monitored instance (Unit: GB)
   Instance Disk Total Space | Real-time total space of data disks on the monitored instance (Unit: GB)
   Instance Disk Usage | Real-time data disk usage on the monitored instance (Unit: %)
   Load | Deadlocks | Incremental number of database transaction deadlocks (Unit: count)
   Response Time of 80% SQL Statements | Real-time response time of 80% of database SQL statements (Unit: μs)
   Response Time of 95% SQL Statements | Real-time response time of 95% of database SQL statements (Unit: μs)
   Kernel Resource | Buffer Hit Rate | Buffer hit rate of the database (Unit: %)

6. Click OK.
7. 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.
8. Click the Performance Trends Comparisons tab, select the desired metrics, and click OK.
9. 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.
10. Enable Interactive Graph to view the performance of other metrics at the same time.
11. Click Full Screen for a clear view.

Parent topic: Performance