Today, in the world of competitive marketing, an organization's key point is to have their system up and running. Any failure or downtime directly impacts business and revenue; hence, high availability is a factor that cannot be overlooked. Day by day, the mountain of information is growing thanks to the in-depth use of technology and the numerous ways we use it. Because of this, load average goes beyond the roof. Day by day, data is growing exponentially.
In some cases, it is unpredictable that data cannot exceed up to some limit or a variety of users won't depart out of bounds. Scalability is a preferable solution to handle and meet unexpected demands at any point in time. Scalability can scale horizontally (we scale by adding more machines to a pool of resources) and vertically (we scale by adding more CPU/RAM to an existing machine). In terms of data, spanning database and loads of application queries over multiple servers. We can add instances in order to handle load, descale...