What is event sourcing and how does it work?
Event sourcing is a software architecture pattern where state changes are stored as a sequence of events. Instead of just storing the current state, you store all the events that led to that state.
Can you give me an example of how event sourcing is used?
Sure! In an e-commerce application, instead of just saving the current inventory level, you would save events like 'Item Added', 'Item Sold', and 'Item Restocked'. This way, you can reconstruct the inventory state at any point.
What are the benefits of using event sourcing?
Some benefits include better traceability of changes, the ability to reconstruct past states, and improved scalability for complex systems.
Are there any downsides to event sourcing?
Yes, it can introduce complexity in managing event schemas and may require more storage. Additionally, querying the current state can be more complicated.
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