Shout out to the developer at JCOGS. Design (https://jcogs.net) We use their JCOGS Image add-on in ExpressionEngine 7. They are dedicated to making sure their clients are happy, keeping their add-ons as close to perfect as can be, and being empathetic to their clients' concerns and needs.
So nice to work with people who care about their clients and their products.
The attached shows the long blue pause is the index.php file in an EE7 site. This 'pause' is sometimes over 15 seconds. This happens during page update/create, implying a MySQL issue. Server has loads of spare resources, no errors in MySQL/Apache/PHP. This is random, sometimes it update/create is instant, sometimes delayed.
In the past I would lean on NewRelic to profile these requests, but I am wondering if there is something better or newer?
Out of Control 
🇨🇦