Is a scaling of the server by adding more hardware (CPU, RAM, Disk storage). It is less effective than Horizontal Scaling, because it introduces single point of failure, it can be expensive and technologically, you might hit a ceiling.
Is a scaling of the server by adding more hardware (CPU, RAM, Disk storage). It is less effective than Horizontal Scaling, because it introduces single point of failure, it can be expensive and technologically, you might hit a ceiling.