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The Ugly of Event Sourcing - Projection Schema Changes
Event Sourcing is a beautiful solution for high-performance or complex business systems, but you need to be aware that this also introduces challenges most people don't tell you about. Last year, I already blogged about the things I would do differently next time. But after attending another intr...
The Bad of Event Sourcing - The Pains of Wrongly Designed Aggregates
Event Sourcing is a brilliant solution for high-performance or complex business systems, but you need to be aware that this also introduces challenges most people don't tell you about. In June, I already blogged about the things I would do differently next time. But after attending another introd...
The Good of Event Sourcing - Conflict Handling, Replication and Domain Evolution
Event Sourcing is a brilliant solution for high-performance or complex business systems, but you need to be aware that this also introduces challenges most people don't tell you about. In @June, I already blogged about the things I would do differently next time. But after attending another intro...
The Good of Event Sourcing - Projections
It was in 2009 in Utrecht, The Netherlands, when I first learned about Event Sourcing and the Command Query Responsibility Segregation (CQRS) patterns at a training Greg Young gave there. I remembered to be awed by the scalability and architectural simplicity those styles provided. However, I als...
The three mental modes of working with unit tests
The other day, while pairing up on some unit test, I started to realize that I generally have three modes of looking at my unit tests.
Principles for Successful Package Management
How applying the SOLID principles on package design can help prevent the dependency hell