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High Library Cache Lock Waits When Using DBMS_RLS.REFRESH_POLICY (Doc ID 1523566.1)

Last updated on OCTOBER 24, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.3 [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.

Symptoms

Many sessions are hanging with high 'library cache lock' waits.
In AWR 'library cache lock' is seen in section 'Top 5 Timed Foreground Events'.

 

Changes

 DBMS_RLS.REFRESH_POLICY is used frequently by procedures called from the application

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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