What is Scalability?

Scalability is the ability of a system, network, or process to handle a growing amount of work in a capable manner or its ability to be enlarged to accommodate that growth. In computing, scalability refers to the capacity of a system to increase its total output under an increased load when resources are added, typically hardware. It is commonly used in software development, database management, and cloud computing to ensure that systems can handle increasing user loads and data volumes without performance degradation.