High Library Cache Lock Waits When Using DBMS_RLS.REFRESH_POLICY
(Doc ID 1523566.1)
Last updated on MARCH 03, 2022
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 11.2]
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.
Many sessions are hanging with high 'library cache lock' waits.
In AWR 'library cache lock' is seen in section 'Top 5 Timed Foreground Events'.
DBMS_RLS.REFRESH_POLICY is used frequently by procedures called from the application
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