Event Sourcing: A Pattern for Resilient and Scalable Systems
If you’ve heard of Event Sourcing, you’re in a good company. It’s a well-established approach for building modern distributed systems. Despite its popularity, this concept isn’t new; major companies like Netflix, Uber, and Amazon have been leveraging it for years, gaining a competitive edge through rapid scaling and system evolution.
In this blog, we delve into the fundamentals of Event Sourcing and explore the reasons to use this powerful tool in a software architect’s arsenal.
Foundations of Event Sourcing
In our contemporary, data-driven landscape, information holds immense value. Preserving the integrity of this data is crucial, as overwriting it is like throwing away valuable insights that could help us understand user behavior, market trends, and system failures.
Imagine a customer removing an item from their online shopping cart. Deleting the corresponding database entry eliminates critical information about customer preferences and purchase patterns. This data could be used to improve product recommendations, personalize shopping experiences, and identify potential issues with the checkout process.
Overwriting data, like deleting this customer interaction record, is akin to losing a piece of a puzzle. By…
