Recently I’ve upgraded 2.3 to 2.4.5 and having following system configurations.
- php8.1
- MySQL 8
- Apache2.4 (Also tried with Nginx)
- Varnish configured
I have 16GB ram with 500Gn SSD and i5 processor ubuntu os.
My minified profile results are below.
magento - 10s
magento->routers_match - 6s
magento->routers_match->CONTROLLER_ACTION:catalog_category_view - 6s
magento->routers_match->CONTROLLER_ACTION:catalog_category_view->action_body - 6s
magento->LAYOUT - 9s
The 2.3 version magento loads overall page in 4 seconds where upgraded on takes 28secs and more.