# Performance of NGINX on 16 instances vs 1 instance

**URL:** <https://www.ruby-forum.com/t/performance-of-nginx-on-16-instances-vs-1-instance/244422>\
**Category:** NGINX\
**Created:** [April 7, 2016, 4:56pm UTC](https://www.ruby-forum.com/t/performance-of-nginx-on-16-instances-vs-1-instance/244422 "2016-04-07T16:56:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Rafa\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/958977/32.png) [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Post date:** [April 7, 2016, 4:56pm UTC](https://www.ruby-forum.com/t/performance-of-nginx-on-16-instances-vs-1-instance/244422/1 "2016-04-07T16:56:01Z")

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Hello,

I would like to know how NGINX works on a server with 16 cores. Is it is  
better to run one instance of NGINX in a bare metal or run 16 virtual  
servers with NGINX instance on each?

Sincerely, Alexandr

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**Author:** ![Alexandr\_Porunov](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/d2c977/32.png) [@Alexandr\_Porunov](https://www.ruby-forum.com/u/Alexandr_Porunov)\
**Post date:** [April 7, 2016, 5:00pm UTC](https://www.ruby-forum.com/t/performance-of-nginx-on-16-instances-vs-1-instance/244422/2 "2016-04-07T17:00:06Z")

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Hello,

On 4/7/16 5:55 PM, Alexandr Porunov wrote:

> Hello,
> 
> I would like to know how NGINX works on a server with 16 cores. Is  
> it is better to run one instance of NGINX in a bare metal or run 16  
> virtual servers with NGINX instance on each?

Just one instance and “worker\_processes auto”.

> **[Core functionality](http://nginx.org/en/docs/ngx_core_module.html#worker_processes)**
>
> Defines the number of worker processes.

–  
Maxim K.

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**Author:** ![Alexandr\_Porunov](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/d2c977/32.png) [@Alexandr\_Porunov](https://www.ruby-forum.com/u/Alexandr_Porunov)\
**Post date:** [April 7, 2016, 10:51pm UTC](https://www.ruby-forum.com/t/performance-of-nginx-on-16-instances-vs-1-instance/244422/3 "2016-04-07T22:51:47Z")

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Hello, Maxim

Thank you very much

Sincerely, Alexandr