如何檢查SQL Server的CPU Cores & License - SQL Server

Posted by: bart30508 | in SQL Server, database | 8 months, 3 weeks ago |

這篇紀錄我檢查CPU Cores的一些問題

CPU Basics: Multiple CPUs, Cores, and Hyper-Threading Explained

Multiple CPUs

是指物理上的CPU有幾顆,可以從以下查看:

[法一]點擊系統查看

2 processors表示有兩顆物理CPU

[法二]點擊工作管理員查看

1個插槽(Socket),表示一顆物理CPU

Cores

核心(Core)數為中央處理單元數,雙核心表示operating system可以真正同時處理兩件事.

下圖為表示4核心數

Hyper-Threading

一種虛擬化CPU的技術,可以operating system認為CPU擁有比實際更多的Cores.

下圖表示Hyper-Threading讓每個Core虛擬化為兩個CPU,因此對於operating system來說,他擁有了8個邏輯處理器(logical processors)

附註:

SQL Server License購買是基於 logical processor

參考來源:

CPU Basics: Multiple CPUs, Cores, and Hyper-Threading Explained
The central processing unit (CPU) in your computer does the computational work-running programs, basically. But modern…www.howtogeek.com
Find out how many cores your processor has
Open Task Manager, then select the Performance tab to see how many cores and logical processors your PC has.support.microsoft.com
Microsoft SQL Licensing - The Basics
Microsoft SQL Licensing Guide Making sure that your Microsoft SQL servers are properly licensed can be a major headache…www.vscope.net
https://serverfault.com/questions/77683/sql-server-1-processor-license-on-dual-processor-system

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如何檢查SQL Server的CPU Cores & License - SQL Server

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