InfoQ Homepage Microservices Content on InfoQ
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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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Allegro Launches Hermes 1.0, a REST-based Message Broker Built on Top of Kafka
Allegro has launched version 1.0 of Hermes, a rest API based message broker built on top of Apache Kafka. Whilst not containing any new features, this first major version release is given to the current stable codebase.
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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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Introducing Traffic Director: Google's Service Mesh Control Plane
Traffic Director is GCP’s fully-managed traffic control plane for service meshes that offers resiliency, load balancing, and traffic control capabilities. Traffic Director is currently available as a beta release.
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Mature Microservices and How to Operate Them: QCon London Q&A
Microservices is an architectural approach to keep systems decoupled for releasing many changes a day, said Sarah Wells in her keynote at QCon London 2019. To build resilient and maintainable systems you need things like load balancing across healthy nodes, backoff and retry, and persistence or fanning out of requests via queues. The best way to know whether your system is resilient is to test it.
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Build a Monolith before Going for Microservices: Jan de Vries at MicroXchg Berlin
Most developers don’t work at global large-scale companies like Netflix. Most developers work in much smaller companies with maybe up to 50 – 80 developers, Jan de Vries noted in his presentation at MicroXchg Berlin, where he argued that a properly built monolith in many cases is superior to a microservices based architecture. With a well-built monolith, it will also be easy to pull services out.
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Migrating a Retail Monolith to Microservices: Sebastian Gauder at MicroXchg Berlin
In his presentation at MicroXchg in Berlin, Sebastian Gauder described how he and his teams migrated an existing food retail monolith at REWE, a large German company, into several business domains with 270 microservices, while increasing the number of teams from two up to 48. He also discussed the different design goals and rules they setup to make this possible.
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Protocols are Important: Martin Thompson at QCon London
The protocols we use should be studied and practiced more, they are really important in many aspects, Martin Thompson claimed in his presentation at QCon London 2019, where he first looked back at the evolution of mankind and argued that protocols is the most significant human discovery, and then did a critical analysis of the protocols and ideas we use today.
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A Description of RSocket and Its Communication Model: Robert Roeser at QCon London
RSocket is an asynchronous network communication protocol where communication is modelled as multiplexed streams of messages over a single network connection. In a presentation at QCon London 2019, Robert Roeser explained the reasons for creating RSocket and the communication model it uses. In the same presentation, Ondrej Lehecka described two use cases, and Andy Shi ran a demo using RSocket.
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Helidon V1 Brings API Stability and MicroProfile 1.2 Support
Oracle has released version 1.0 of Project Helidon, an open-source collection of Java libraries to build microservices, with greater API stability than beta versions and support for the MicroProfile 1.2 spec. Helidon comes in two programming models: Helidon SE and Helidon MP.
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A Critical Look at Event-Driven Systems: Bernd Rücker at QCon London
There is currently a hype in adoption of event-driven systems. Sometimes they are almost seen as the “magic thing” in our strive for decoupled systems, Bernd Rücker noted at the recent QCon London 2019. In his presentation he took a critical look at three common hypotheses around event-driven systems: events decrease coupling, Orchestration needs to be avoided, and Workflow engines are painful.
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Recommendations When Starting with Microservices: Ben Sigelman at QCon London
During the years Ben Sigelman worked at Google, they were creating what we today call a microservices architecture. Some mistakes were made during this adoption, which he believes are being repeated today by the rest of the industry. In his presentation at QCon London 2019, Sigelman described his recommendations to avoid making these mistakes when starting with microservices.
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Building Services at Scale at Airbnb: QCon London Q&A
The re-architecture to SOA at Airbnb improved the performance of the services and site reliability. Faster build and deploy times led to increased developer productivity, and improving clarity and boundaries for ownership increased efficiency. Jessica Tai, a software engineer at Airbnb, presented Airbnb’s Great Migration: Building Services at Scale at QCon London 2019.
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The Importance of Event-First Thinking
For global businesses to meet today’s architectural challenges with constant change and extreme scale, we need to go back to the basic principles of system design. The common element in the problems we face is the notion of events driving both actions and reactions, Neil Avery writes in a series of blog posts describing why events are so important and the advantages of an event-first approach .
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Airbnb's Migration from Monolith to Services
Jessica Tai spoke at QCon San Francisco 2018 about Airbnb's move from a Ruby on Rails monolith architecture to a service-oriented architecture. The company has expanded from 200 engineers in 2015 to 1,000 and has less downtime due to rollbacks and has improved performance with page load times up to 10x faster.