InfoQ Homepage event sourcing Content on InfoQ
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Kalix: Build Serverless Cloud-Native Business-Critical Applications with No Databases
Lightbend recently launched Kalix, a new PaaS offering for building cloud-native, business-critical applications using any programming language with no databases. Kalix is a unified application layer that pulls together the necessary pieces for writing software and abstracts their implementation details. Lighbend intends for it to provide developers with an innovative NoOps developer experience.
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Netflix Builds a Reliable, Scalable Platform with Event Sourcing, MQTT and Alpakka-Kafka
Netflix recently published a blog post detailing how it built a reliable device management platform using an MQTT-based event sourcing implementation. To scale its solution, Netflix utilizes Apache Kafka, Alpakka-Kafka and CockroachDB.
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EventStoreDB 20.10 Released with Support for gRPC and Improved Security
EventStore Ltd has released EventStoreDB 20.10, a major release of their platform that helps build applications utilizing the Command Query Responsibility Separation (CQRS) and Event Sourcing (ES) patterns.
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Interview with Event Modeling Founder - Adam Dymitruk
Q&A with Adam Dymitruk about the Event Modeling Project: its genesis, reason for existence, feature set and future plans.
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Event Sourcing Done Right - Experience from the Trenches: Dennis Doomen at DDD Europe
Event sourcing is just a tool; it’s not a top level architecture style and should not be used everywhere, Dennis Doomen pointed out in his presentation on the Event Sourcing day at the DDD Europe 2020 Conference in Amsterdam where he shared some of the practices he has found useful when applying event sourcing to a problem.
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Sense and Nonsense in Event Thinking and Microservices
Modularity in the systems we are building is very important, but there are anti-modularity forces that we must deal with to be able to achieve this modularity. In a presentation at the recent Event-driven Microservices Conference, held by AxonIQ, Allard Buijze shared his thoughts and experience building systems based on DDD, CQRS, microservices and event sourcing.
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Day Two Problems When Using CQRS and Event Sourcing
There are a lot of good reasons for building a CQRS and event-sourcing based system, but there are also problems that appear only after an application is in production. In a presentation at the recent Event-driven Microservices Conference held by AxonIQ, Joris Kuipers shared his experience running and evolving CQRS and event sourced applications in production.
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High Scalability Workflow Engine Zeebe is Production Ready
Zeebe is a workflow engine designed to meet the scalability requirements of high-performance applications running on cloud-native and event-driven architectures, and to support workflows that span multiple microservices in low latency, high-throughput scenarios. Zeebe 0.20.0 has just been released as a free community edition and is considered production ready.
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Mistakes and Recoveries When Building an Event Sourcing System
When Nat Pryce and his team started building a system based on an event sourced architecture, they made a couple of significant mistakes in the design, but managed to recover from these mistakes with an ease that surprised them. In a blog post, Pryce describes the mistakes they made and the factors that made it possible for them to refactor the architecture and recover from their mistakes.
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Patterns in Distributed Systems
In a series of blog posts, Mathias Verraes describes patterns in distributed systems that he has encountered in his work and has found helpful. He currently describes 16 patterns in three areas: patterns for decoupling, general messaging patterns and event sourcing patterns. His goal is to identify, name and document the patterns together with the context in which they can be useful.
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Experiences Going from Event-Driven to Event Sourcing: Fangel and Ingerslev at MicroCPH
At MicroCPH 2019, Thomas Bøgh Fangel and Emil Krog Ingerslev, both at Lunar Way, a fintech company, described how after building a monolithic Rails application they decided to migrate to an event-driven microservices architecture. During the migration they found some design issues and decided to move to event sourcing. In their presentation they discuss the problems and how they solved them.
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Microservices Framework Lagom 1.5 with Akka Management and Support for Kubernetes and OpenShift
Version 1.5 of the microservices framework Lagom comes with Akka Management, a set of tools for operating Akka powered applications, and support for deployment with Kubernetes or OpenShift. The recently released version 1.5 is built on Play 2.7.0, Alpakka Kafka 1.0 and Akka 2.5.22 and also adds support for Couchbase and for gRPC through Akka gRPC.
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Are Frameworks Good or Bad, or Both?
Preferring frameworks or libraries is somewhat controversial, Frans van Buul, Evangelist at AxonIQ, the company behind Axon Framework, writes in a recent blog post. Many argue in the favour of libraries but Van Buul thinks that a framework can be very valuable when building business applications. He believes this to be especially true for applications based on CQRS, DDD and event sourcing.
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Event Sourcing to the Cloud at HomeAway
Adam Haines, Data Architect at HomeAway, recently spoke at the Data Architecture Summit 2018 Conference about how his team leverages event sourcing cloud design pattern to accelerate the big data initiatives in their organization.
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Axon Conference Panel: Why Should We Use Microservices?
In the panel discussion at the recent Event-Driven Microservices Conference in Amsterdam, Frans van Buul from AxonIQ, the conference organizer, started by noting that microservices are quite mainstream today. He wanted to look back at what we have learned, but also think about where we will be heading in the next couple of years.