Query Running from EM Express Accessing DBMS_ADVISOR Causes High CPU
(Doc ID 2318650.1)
Last updated on MARCH 28, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 12.2.0.1 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
- On EM Express 12.2, WRI$_REPT_SQLPI uses 100% CPU for hours
- The stack appears to be:
- The SQL generates a 'CARTESIAN MERGE JOIN', and there are a lot of rows in the DBA_ADVISOR_OBJECTS view
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |