Which containerization to choose?

Question

OpenVZ

It is required to use the capabilities of containers on ubuntu 16.04.
Important:
- simple installation without physical access
- the ability to save data between container shutdowns
- the ability to set hardware usage priorities
- a web panel that allows you to see the status of the load on the server
tried docker, but could not devote enough time to understand how to save the created users and their data.

Answer 1

Docker.

1. Official documentation
   
2. For this there are volumes
   
3. --cpu*, --memory, even blkio and cgroups if you know why.
   
4. prometheus + cAdvisor + grafana (+ node_exporter to taste). There is a set