7 February 2017
Tuesday 7th of February 2017 from 5:30 pm.
After the success of the last CQRS & ES meeting, Dennis Doomen is going to tell us about his practical experience in his session: The Good, The Bad and the Ugly - An Event Sourcing Retrospective:
"In 2009, I first learned about Event Sourcing and Command Query Responsibility Segregation (CQRS) at a training Greg Young gave in Utrecht, The Netherlands. I remembered to be awed by the scalability and architectural simplicity those styles provided. However, I also remembered the technical complexity that comes with it. In 2012, I was in charge of transitioning a CQRS-based system to Event Sourcing. I knew it would be non-trivial, but boy was I in for a surprise.
So over the last four years I've experienced first-hand how a large group of developers had to deal with the transition. It's 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 this talk, I'd like to share you some of the most powerful benefits of ES, but also show you the flipside of the coin and cover some of the smaller and bigger challenges you'll run into it. Again, I love it and would apply it again without any doubt, but I really want you to understand the trade-offs before you jump on the Event Sourcing train."
The host of the night is Aviva Solutions
The address: Torenallee 20, 5617 BC Eindhoven
Parking vouchers will be provided.
Upon entry, go through the revolving door and take a right. The meeting room is on the left.
- 17:30 - 18:30 Walk-in and dinner
- 18:30 - 19:15 Part 1
- 19:15 - 19:30 Break
- 19:30 - 20:15 Part 2
- 20:15 - 21:00 Drinks and socializing
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About Dennis Doomen
Dennis Doomen is an experienced .NET architect with a broad interest in Application Lifecycle Management, SOA, OO and Design Patterns. He is specialized in designing enterprise solutions based on the .NET technologies as well as providing coaching on all aspects of designing, building and maintaining enterprise systems. He is the author of www.fluentassertions.com, an assertion framework for fluently asserting the outcome of unit tests and he has published coding guidelines for C# 3.0, C# 4.0 and C# 5.0 on www.csharpcodingguidelines.com since 2001. He also maintains a blog on his everlasting quest for better solutions at www.continuousimprover.com. You can reach him on twitter through @ddoomen.