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CPU Count Consideration for Oracle Parameter Setting When Using Hyper-Threading Technology (Doc ID 289870.1)

Last updated on OCTOBER 01, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.5 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
Information in this document applies to any platform.

Purpose

 

CPU_Count consideration for Oracle Parameter setting when using Hyper-Threading Technology. The number of CPU's reported by OS is twice the number of physical CPU's in the system when running Oracle on Intel's Hyper-Threading Technology platforms. So, there can be confusion while considering CPU_count.

Scope

 This document is intended for DBA's and support analysts deciding CPU_count for Oracle Parameter setting when using Hyper-Threading Technology. 

Details

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