Adopting CQRS+ES: overcoming technical and cultural challenges
While CQRS+ES is a powerful architectural pattern, it’s important to recognize that it’s not a silver bullet or a universal solution. Much like owning a hammer doesn’t turn every problem into a nail, CQRS+ES is most effective when applied to the right scenarios. As with any tool, its adoption should be thoughtful and context-driven.
In practice, it is perfectly valid, and often advisable, to apply CQRS+ES selectively within a system. For example, it is particularly effective in core business modules where capturing the complete history of changes, ensuring strong consistency, and enabling complex business logic are critical. ES shines in these areas by allowing the system to rehydrate the current state of an aggregate from a sequence of events, providing a detailed audit trail and enabling powerful features such as temporal queries and event replay.
However, not all parts of a system require...
