In an enterprise environment, as the number of users grow, it is normal for the number of users who try to access the web application at the same time to also grow. This presents us with the interesting problem of how to scale the web application to handle a large number of concurrent requests by the users.
Scaling up a web application to handle a large number of users is a task that can be achieved in multiple ways where one of the simplest ways can be adding more infrastructure and running more instances of the application. However, this technique, though simple, is highly burdensome on the economics of application scalability, since the infrastructure costs associated with running the application at scale can be huge. We certainly need to craft our application in such a way that it is easily able to handle a lot of concurrent requests...
