Event Sourcing - what could possibly go wrong? • Andrzej Ludwikowski • Devoxx Poland 2021

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Yet another presentation about Event Sourcing? Yes and no. Event Sourcing is a really great concept. Some could say it’s a Holy Grail of the software architecture. I might agree with that, while remembering that everything comes with a price. This session is a summary of my experience with ES gathered while working on 3 different commercial products. Instead of theoretical aspects, I will focus on possible challenges with ES implementation. What could explode (very often with delayed ignition)? How and where to store events effectively? What are possible schema evolution solutions? How to achieve the highest level of scalability and live with eventual consistency? And many other interesting topics that you might face when experimenting with ES.
Andrzej Ludwikowski
Software Architect with over 10 years of experience in commercial software development. Conference speaker and open source contributor. Devotee of DDD, Event Sourcing and Polyglot Persistence. System performance bottlenecks validator. Continuously chasing the dream of a perfect software architecture, which does not exist, but looking for it is the goal itself. Reactive Event Sourcing trainer (academy.softwa...) and one of the Millers at SoftwareMill.
Recorded at Devoxx Poland 2021
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[@nobodyspecial946]

Good talk, I would love to hear more! Deep dive in topics which he missed due to time.

[@volkerreichel2285]

Thanks a lot for sharing your experiences with us.

[@DevoxxPoland]

Our pleasure!

[@FunkPianoGrooveMan]

Awesome talk!

[@DevoxxPoland]

Thanks

[@dinoscheidt]

Very good talk.

[@DevoxxPoland]

Thanks!

[@jasonxrowland]

Would love to follow up and read some of the links mentioned in the talk. Is there a slide deck we could download or the URL’s mentioned?

[@volkerreichel2285]

The slides are on de.slideshare.net/AndrzejLudwikowski. Download PDF embedded links work!

[@chenandy2843]

​@@volkerreichel2285 thank you so much

[@easdasdasda4886]

I'd not recommend Axon framework that here introduced, neither CQRS. Simply implement your own library, that not dealing with paying the providers for extra features later

[@DevoxxPoland]

Thanks for recommendation

[@bfg5244]

Father of twins ;)