ab – Apache HTTP server benchmarking tool
ab
is a tool for benchmarking your Apache Hypertext Transfer Protocol (HTTP) server. It is designed to give you an impression of how your current Apache installation performs. This especially shows you how many requests per second your Apache installation is capable of serving.
See following website : https://httpd.apache.org/docs/2.4/programs/ab.html
ab -n500 -c20 -H
step 1
composer require --dev symfony/profiler-pack
step 2
composer.phar require symfony/debug
Symfony Profiler
https://symfony.com/doc/current/profiler.html
composer dump-autoload --optimize --no-dev --classmap-authoritative
ENABLE THE SERVER-STATUS on apache
http://david.raleche.com/product/enable-apache-server-status/
Speep Up your Web Application
http://david.raleche.com/product/consulting-your-web-business/