Oracle DBMS_CACHEUTIL
Version 18.3.0.1

General Information
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For how many years have you been working with physical servers that are starving your database of the memory necessary to deploy important new performance features such as the Result Cache, Memoptimize Pool, In-Memory Aggregation, In-Memory Column Store, and Full Database Caching? Too long? Contact me to learn how to improve all queries ... not just some queries.
Purpose This undocumented package contains miscellaneous cache layer PL/SQL functions
AUTHID DEFINER
Dependencies
DBMS_ASSERT DBMS_OUTPUT SYS_DBA_SEGS
Documented No
First Available 11.2.0.1
Security Model Owned by SYS with EXECUTE granted to the DBA role
Source {ORACLE_HOME}/rdbms/admin/dbmscu.sql
Subprograms
 
DISSOLVE_AFFINITY
Try to dissolve object affinity in RAC environment dbms_cacheutil.dissolve_affinity(
schema         IN VARCHAR2,
obj            IN VARCHAR2,
partition      IN VARCHAR2 := NULL,
dissolve_index IN BOOLEAN  := TRUE,
active_drm     IN BOOLEAN  := FALSE);
exec dbms_cacheutil.dissolve_affinity(USER, 'SERV_INST');
 
DISSOLVE_READMOSTLY
Try to dissolve object readmostly in a RAC environment dbms_cacheutil.dissolve_readmostly(
schema         IN VARCHAR2,
obj            IN VARCHAR2,
partition      IN VARCHAR2 := NULL,
dissolve_index IN BOOLEAN  := TRUE);
exec dbms_cacheutil.dissolve_readmostly(USER, 'SERV_INST');
 
GRAB_AFFINITY
Try to grab object affinity in a RAC environment dbms_cacheutil.grab_affinity(
schema     IN VARCHAR2,
obj        IN VARCHAR2,
partition  IN VARCHAR2 := NULL,
grab_index IN BOOLEAN  := TRUE,
active_drm IN BOOLEAN  := FALSE);
exec dbms_cacheutil.grab_affinity(USER, 'SERV_INST');
 
GRAB_READMOSTLY
Try to grab object readmostly in RAC environment dbms_cacheutil.grab_readmostly(
schema     IN VARCHAR2,
obj        IN VARCHAR2,
partition  IN VARCHAR2 := NULL,
grab_index IN BOOLEAN  := TRUE);
exec dbms_cacheutil.grab_readmostly(USER, 'SERV_INST');
 
LIST_READMOSTLY
List objects that have the readmostly property set dbms_cacheutil.list_readmostly;
exec dbms_cacheutil.list_readmostly;
 
OBJECT_DOWNCONVERT
Tries to downconvert object locks to shared mode in RAC dbms_cacheutil.object_downconvert(
schema            IN VARCHAR2,
obj               IN VARCHAR2,
partition         IN VARCHAR2 := NULL,
downconvert_index IN BOOLEAN  := TRUE);
exec dbms_cacheutil.object_downconvert(USER, 'SERV_INST');

Related Topics
Built-in Functions
Built-in Packages
Real Application Clusters
What's New In 12cR2
What's New In 18cR3

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