The diagnostics feature provides you with the information about your database performance. This helps you identify performance issues.


  • Database Autonomy Service (DAS) provides the diagnostics feature only for the following types of database instances:
    • MySQL
    • ApsaraDB RDS for PostgreSQL
    • ApsaraDB PolarDB PostgreSQL-compatible edition
  • A database instance is connected to DAS. For more information, see Connect instances to DAS.


  1. Log on to the DAS console.
  2. In the left-side navigation pane, click Instance Monitoring.
  3. On the page that appears, find the database instance and click the database instance ID. The details page of the database instance appears.
  4. In the left-side navigation pane, click Diagnostics.
  5. On the Diagnostics tab, you can click Create Reports to create a report. You can also click View History to view the reports that were created.

Related API operations


Learn more

For more information about the diagnostics feature, see Cost-based SQL diagnostics engine.