How to Use ASH Report to Identify Hot Object for Dbms_shared_pool.markhot
(Doc ID 2194448.1)
Last updated on DECEMBER 09, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Oracle 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 Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
The wait events on mutex contention and library cache latches/lock often have common root causes.
Sometimes this kind of contention can be caused by "hot" object issues, meaning the application just makes too many calls to a cursor or PL/SQL procedure.
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