What are the common challenges and risks of scaling a high availability system?
High availability (HA) systems are designed to provide continuous and reliable service, even in the face of failures, errors, or disruptions. HA systems are essential for many critical applications, such as e-commerce, banking, or healthcare. But how do you design and scale a HA system? What are the common challenges and risks involved? In this article, we will explore some examples of HA systems and how to approach such issues.