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Incorrect NUMA Recommendation In 12.1.0.2 alert.log for RAC (Doc ID 2258370.1)

Last updated on FEBRUARY 27, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.2.0.1 [Release 12.1 to 12.2]
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 Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

On a Non-Exadata NUMA based system, the RAC database instance alert.log shows the following

NUMA system with <number> nodes detected
Oracle NUMA support not enabled
The parameter _enable_NUMA_support should be set to TRUE to enable Oracle NUMA support

The above NUMA suggestion should not be stated for RAC database that are not running on engineered systems.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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