Good software is always a well-designed software. Software engineering takes good thinking, reviewing past solutions and paying attention to the difficulties that we had to go through when making changes, refactoring, testing our solutions.But as we accumulate experience, we inevitably ask ourselves: do we need to reinvent the design all the time?No, of course – …
We are going to review databases, their challenges and architectural approaches. Firstly let’s revisit the CAP theorem. It states that only 2 of the 3 constraints (Consistency, Availability, Partitioning) can be guaranteed in a shared distributed data system at a time. For example, Cassandra prefers Availability and Partitioning tolerance (A-P system with Eventual consistency). You …
CAP theorem, Lambda Architecture and how to pick the right database for your application Read More »
Below some of the design pattern we use most often, their purpose and examples. Factory Method Factory method – it’s a creational design pattern that allows subclasses to decide which classes to instantiate, removing this concern from the caller level.The factory method is typically abstract, and subclasses implement their own suitable version, as long as …