Horizontal vs Vertical Scalability Explained

Understanding difference between Horizontal and Vertical Scaling, also known as scale up and scale out

Hello friends, one question which I have been asked repeatedly on many System design and Java Developer interviews are how do you scale your system? In particular how do you scale your Microservices?

This is a great question to ask any experienced developers because its open ended and its gives an opportunity to candidate to express themselves and also i…