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RailsConf 2019 - Event Sourcing made Simple by Philippe Creux
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Event Sourcing provides a full history of actions allowing us to understand how we get got there. Events can be replayed to backfill a new column, to fix a bug or to travel back in time. It is often described as a complex pattern that requires immutable databases, micro services and asynchronous communication.
In this talk, I will introduce you to Event Sourcing and present the simple framework we’ve built at Kickstarter. It runs on our Rails monolith, uses ActiveRecord models and a SQL database. And yet, it gives us super powers.