Event Sourcing In Software Development: Lessons From Git

Event Sourcing explained through Git: immutable events, replaying commits as state reconstruction, and parallel event streams (branches) for eventual consistency.

Event Sourcing is a powerful architectural pattern where system state is derived from a sequence of immutable events. Interestingly, Git itself is an event-sourced system! Understanding Git’s internals can help us grasp event sourcing concepts intuitively.  
In this blog, we’ll explore:  
✅ How Git follows Event Sourcing principles
✅ Key Git concepts and their Event Sourcing counterparts
✅ Lessons we can apply when implementing Event Sourcing in software  

  
  
  1. What is Event Sourcing?

  
  
  1.1 Traditional State-Based vs. Event-Sourced Systems

In a traditional state-based system,...

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