RAM consumption of services seems to be zero and High Using Ram Problem

Hello there,
I am using Ubuntu 20.
My ram consumption increased by 2% in version 2.1.2 compared to version 2.1.1.
My main problem is that on the “SERVICES” page, the ram consumption of all services appears to be zero.
Problem 2:
I am facing high using ram problem when I install Centos 7.
After a while ram usage shows 86%.

System: Ubuntu 20.04.3 LTS
Release: 20.04
Codename: focal

Installation option: since during the installation.
there will be few option to choose,so please provide it as well.

OLS or Enterprise?

Installing from official server or mirror server?

Install Memcached extension for PHP?

Install LiteSpeed Memcached?

Install Memcached?

Install Redis extension for PHP?

Install Redis?

Ram Consumption Of Services Seems To Be Zero Screenshot:

Alternative Picture Link: https://i.imgur.com/lTXyTw1.png