Each application has its own peculiarities and complexity when it comes to scaling. In fact, it would be too simplistic to think scaling is effortless. Yet, it is one of the questions that people want to be answered and we usually hear them recurrently.
Let’s have a look at a few of its applications in the real world. GitHub is one of the platforms that’s widely used by the tech community, which is developed in Ruby using Ruby on Rails framework. You can imagine the number of requests that GitHub handles, which should be enough to draw your own conclusions regarding Ruby's scalability.