ORA-4031 and DBMS_SHARED_POOL.KEEP remarks and PIND toolkit overview
(Doc ID 311689.1)
Last updated on JUNE 30, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 9.2.0.1 and later Gen 1 Exadata Cloud at Customer (Oracle Exadata Database 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 Oracle Database Cloud Schema Service - Version N/A and later Information in this document applies to any platform.
Purpose
This article contains information about DBMS_SHARED_POOL.KEEP (Keeping) which can help when dealing with ORA-4031. Anyway we recommend firstly to follow documents: <Note 62143.1> - Understanding and Tuning the Shared Pool <Note 146599.1> - Diagnosing and Resolving Error ORA-04031 and try to reduce pressure put on Library Cache.
It also intends to give some information on PIND toolkit which helps to resolve some ORA-4031 problems. PIND toolkit itself is available in Published (Limited) Note 301171.1 - Toolkit for dynamic marking of Library Cache objects as Kept (PIND)
Scope
This document is intended for DBAs.
Details
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