Resource Manager Plan Changes Settings Every Week

(Doc ID 759503.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.1 [Release 10.2 to 11.2]
Information in this document applies to any platform.

*** Checked for relevance on 05-Apr-2016 ***

Goal

Detailed description with Example
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1) Noticed that the resource manager plan was set to

"resource_manager_plan string SCHEDULER[0x22BB]:SYSTEM_PLAN".


2) Changed this using the command

ALTER SYSTEM SET RESOURCE_MANAGER_PLAN = '' SCOPE=BOTH;


3) Every week when checking on this database setting it goes back to the setting

"SCHEDULER[0x22BB]:SYSTEM_PLAN".


I keep having to issue the following command, but the resource manager plan keeps changing back

ALTER SYSTEM SET RESOURCE_MANAGER_PLAN = '' SCOPE=BOTH;


The database is not being recycled so why is the setting changing. It is causing performance issues every time it changes back.
What could cause this setting to change back?

Solution

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