What is Horizontal Scaling and Why is horizontal scaling preferred?
By adding several logical resources, a system's size can be increased horizontally. To do this, either more virtual machines or containers can be added to each host. Additionally, it is possible by adding many hosts at once. This is also known as scaling out. as a result of the increase in systems.
Horizontal scaling preferred :
Due to the system's load and running time. This is expandable. Horizontal scaling (scaling-out) has the following benefits:
* It needs less money up front.
* It lowers administrative costs
* Facilitates simpler scalability as demand rises.
