Active Session History (ASH)

Performance Hub includes the ability to generate, view, and download Active Session History (ASH) reports for your managed databases.

An ASH report contains data that helps you to:

• Triage transient performance problems that typically last for a few minutes

• Perform scoped or targeted performance analysis by various dimensions or their combinations, such as time, session, module, action, or SQL identifier.

Note:

When the Database Management set to is Full Management, the ASH report is available for:

• Databases running in Base Database Service and Exadata Database Service on Dedicated Infrastructure systems

• Oracle Databases managed with External Database

To generate and download an ASH report, see:

• Active Sessions History (ASH) Report