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Real-time Database Performance Monitoring via SGA ASH

Avatar photoCustomer July 19, 2019 at 10:00 pm

We are troubleshooting a severe but intermittent performance dip right now. We need the fastest possible, real-time snapshot of what active sessions are doing and what they are waiting for. Which report should I immediately run?

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    • Support July 21, 2019 at 10:28 am  

      Immediately run the DBA SGA Active Session History report. This provides active session history directly from the SGA, offering a real-time view.

    • Avatar photoCustomer July 21, 2019 at 4:40 pm  

      How should I analyze the vast amount of session data returned to link the wait events back to the responsible EBS user or form?

    • Support July 21, 2019 at 9:14 pm  

      We highly recommend using a pivot in Excel for ASH performance analysis, as drag-and-drop analysis is much faster than manual SQL querying. A typical use case is pivoting to analyze which EBS application user waited for how many seconds in which Forms UI.

    • Avatar photoCustomer July 23, 2019 at 11:08 pm  

      The report includes a ‘Module Name’ column. How is that derived for EBS users?

    • Support July 24, 2019 at 3:14 am  

      The ‘Module Name’ column shows either the translated EBS module display name or, for background sessions, the process name. This facilitates pivoting by application context.

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