[HowTo] Optimize Nginx and PHP-FPM using VestaCP on CentOS

[xorro]

NGINX

Nginx configs are by default located under at /etc/nginx :

Edit Nginx Config :

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nano /etc/nginx/nginx.conf

First :

Once you open the file for edit you need to change this “worker_rlimit_nofile” value :
From :

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#worker_rlimit_nofile    65535;

To :

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worker_rlimit_nofile    65535;

uncomment the line remove “#”

*Value “65535” can be different on your server

Second :

find the “worker_connections” :

From:

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worker_connections 1024;

To :

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worker_connections 5000;

Once you changed this value restart nginx service :

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service nginx restart

PHP-FPM

By default php-fpm configs are by default located under at /etc/php-fpm.d

when you navigate to this dir you’ll find bunch of configs (domain.com.conf) are located under this dir open the config file for your website and change the value :

open your website domain name config file :

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cd /etc/php-fpm.d
nano your-website-name.com.conf

And change this Values :-

From :

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pm.max_children = 4
pm.max_requests = 4000

To :

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pm.max_children = 10
pm.max_requests = 6000

once you saved the config restart PHP-FPM service :

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service php-fpm restart

This are the optimal settings which can handle 2000-3000 real time visitor according to your server config very easily even more.

[mlopez]

Is it just when one uses only nginx or it also work for nginx + apache?
What are the RAM and CPU config for this values?

Thank you, xorro!