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Balancing open source & commercial offerings: new pricing

By Allard Buijze

April 30, 2024

2 min

One of the largest debates within our company has been balancing open source and commercialization.

Introducing Axon Server 2024.0

By Stefan Dragisic

April 3, 2024

2 min

Introducing the Redesigned Axon Server UI

How to work around Apache Kafka’s limitations

By Gerard Klijs

March 26, 2024

6 min

Introduction To gain new insights, consider changing your perspective. For instance, think about how your API might look using GraphQL instead of REST, or compare a microservices setup that uses...

AxonIQ Academy: Learning for event-driven architecture

By Mohamed Essam

January 31, 2024

4 min

Introduction Two years ago, AxonIQ launched AxonIQ Academy to make Event Sourcing within event-driven architecture more accessible to developers. The academy begins with a brief explanation of how...

Empowering Rust application development with Axon Synapse

By Gerard Klijs

October 20, 2023

7 min

Introduction Last year, we introduced Axon Synapse: the streamlined solution for leveraging Axon Server. Axon Synapse offers JSON over HTTP support, simplifies state management, and our upcoming...

Set based consistency validation revisited

By Yvonne Ceelie

October 18, 2022

2 min

In one of my previous blogs, I wrote about using Axon to cope with Set Based Consistency validation. It deals with the question: How can I validate a uniqueness constraint throughout the whole...

The right event store: SQL, NoSQL or dedicated solution?

By Ralf Pelz

April 15, 2022

2 min

One of the most frequently asked questions is how AxonIQ compares to other players such as NoSQL and SQL database vendors in the messaging and event store space. Users of the open-source Axon...

Distilling the CQRS/ES capability

By Vijay Nair

April 20, 2021

3 min

CQRS/event sourcing are patterns, and to be more specific they are Application Design patterns, and their implementation spans across 3 main Architectural areas (*).

Dispelling the eventual consistency FUD, using event sourcing

By Vijay Nair

March 24, 2021

3 min

So your organization is toying with the idea of using Event Sourcing. The benefits look promising, but you can’t seem to shake off the nagging doubt of that one aspect of adoption - Eventual...

From Model to Code - Translating the (Event) Model into Code

By Ivan Dugalic

November 24, 2020

4 min

In the previous blog post, we (well, mostly Sara Torrey) have discussed Event modeling and how it can be used as a tool to create a blueprint for your solution.

Set Based Consistency Validation

By Yvonne Ceelie

November 11, 2020

6 min

Requests like “How do I ensure the email address in a User aggregate is unique?” or “How do I ensure usernames are only used once on command handling?” reach us quite often. We can rephrase them: How...

CQRS replay performance tuning

By Frans van Buul

January 19, 2019

5 min

Command Query Responsibility Separation (CQRS) has become a popular pattern to avoid complex, and therefore slow, database queries in applications. With CQRS, queries are served from dedicated read...

Parameter Resolvers in Axon

By Milan Savic

December 20, 2018

3 min

Axon is an open-source Java framework for building systems in CQRS (Command Query Responsibility Separation), DDD (Domain Driven Design), and Event Sourcing. Axon provides a high level of location...

Some CQRS and Event Sourcing pitfalls

By Frans van Buul

December 10, 2018

5 min

In one of our recent blogs, we talked about constructing a real-life Axon application. Which areas should you distinguish on a high level, and what code should go where? This is a question often...

How to write an Axon application?

By Frans van Buul

November 16, 2018

5 min

Learning to write a proper Axon application from scratch consists of various aspects. First, there's the conceptual stuff to grasp (DDD, event sourcing, CQRS) and details about the actual framework...

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