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Questions tagged [event-sourcing]

Event Sourcing is a design pattern that captures all changes to an application's state as a sequence of events.

A design pattern publicized by Martin Fowler in which changes to application state are represented as events which contain snapshots of data that describe the change. See Event Sourcing at MartinFowler.com.

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Data in Event Driven Microservices Architecture

I'm trying to build an Event Driven Microservices Architecture, as I understand It's recommended to build my services without a DB, and instead to use the Event Store technique which is based on Event Driven Microservices Architecture. My question…
Moshe Arad
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Average number of events per event source

I'm implementing CQRS pattern with Event sourcing, I'm using NServiceBus, NEventStore and NES(Connects between NSB and NEventStore). My application will check a web service regularly for a file to be downloaded and processed. The file will be then…
Nour
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Is it a good idea to use Kafka as Command Bus?

I am developing CQRS application and have to choose underlying implementation of Command Bus. We already decided to use Kafka as Event Bus. But what about Command bus? From my point of view Kafka is too complex for Command Bus requirements, for…
imissyouso
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Java - Event Sourcing - Event Sequence

So, while developing an app, I have to use event sourcing to track down all changes to model. The app itself is made using spring framework. The problem I encountered: for example, user A sends a command to delete an entity and it takes 1 second to…
Arter Cadelanne
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