Microservice Patterns and Best Practices

What is CQRS?

CQRS means Command Query Responsibility Segregation. As the name implies, it is about separating the responsibility of writing and reading of data. CQRS is a code pattern and not an architectural pattern.

Let's understand the classic scenarios of everyday life and, then, we will see how CQRS could be applied as a solution.

With the growth of the internet, we cannot think of creating applications for a few users; most of the new applications have premises of scalability, performance, and availability. How can an application work well with both tens and thousands of users simultaneously? It is complex to create a model that meets those needs. Databases, when required, can become a bottleneck.

Let's consider a financial credit ...