J-Fall 2017

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J-Fall 2017 – Ray Tsang & Matt Feigal – Troubleshooting & Debugging Microservices in Kubernetes

Debugging applications in production is like being the detective in a crime movie. Especially with microservices. Especially with containers. Especially in the cloud. Trying to see what’s going on in a production deployment at scale is impossible without proper tools! Google has spent over a decade deploying containerized Java applications at unprecedented scale and the […]

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November 22, 2017

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J-Fall 2017 Aftermovie

On Thursday November 2, 2017 the NLJUG (Dutch Java User Group) organized the biggest Java conference of the Netherlands in the Cinemec at Ede. With over 1,500 Java developers, more than 50 technical sessions and 76 speakers, J-Fall 2017 was truly awesome! See you next year at J-Fall 2018

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November 20, 2017

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J-Fall 2017 Effi Bennekers & Eggie van Buiten – Three resilience patterns with Twitter’s Finagle

On average we, as a modern digital human being, look at our smart phones more than 200 times a day. Apart from network connection issues in the few remote urban areas that still exist, we expect servers to deliver the data demanded by our apps on every moment we look. And we are not the […]

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November 22, 2017

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J-Fall 2017 Gebrian uit de Bulten & Roy Smeets – From Code Commit to Production

Ingenico (payment processes) transformed their legacy application to a state of the art micro-service architecture and with that also changed the delivery process as well as the organizational part(Agile transformation). Since Ingenico is handling payments for some of the biggest organization (Apple, Alibaba, Steam, Blizzard etc.) their is a significant focus on security, regulation, performance, […]

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November 22, 2017

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J-Fall 2017 Guillermo Martinez & Luis Miguel Miranda – DevOps in Allianz

Discover how Continuous Improvement (Kaizen) techniques speeds up the delivery cycle and saved hundreds of man-days by efficiency gains in the Benelux implementation of one of the biggest commercial Java projects in Europe. Find the difficulties of DevOps introduction in an enterprise project, where about 200 people from more than 5 countries and different providers, […]

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November 22, 2017

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J-Fall 2017 Jeroen Borgers – New Java performance developments: Compilation and Garbage Collection

Java kent sinds het begin JIT-compilatie die gebruik maakt van profiling tijdens runtime. Client en server compiler zijn inmiddels gecombineerd in Tiered Compilation met behoud van voordelen van beide. Nu is er met Java 9 experimenteel AOT-compilatie bijgekomen: Ahead Of Time. Dit geeft nieuwe mogelijkheden qua performance met name tijdens opstarten en opwarmen van applicaties. […]

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November 22, 2017

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J-Fall 2017 Martin Förtsch & Thomas Endres – Project Avatar

Using humanoid robots, virtual reality glasses and 3D camera sensors you can experience the world through the eyes of a robot and control it via gestures. The hardware hacking team of TNG Technology Consulting has built a telepresence robotics system based on a NAO robot, an Oculus Rift and a Kinect One. Using these components […]

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November 22, 2017

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J-Fall 2017 Sander Uiterkamp & Jeroen Resoort – A journey from batch to streaming with Kafka Streams

Liander, a local Distributed System Operators (DSO) (netbeheerder), is building a new system for the handling of millions of smart meter data requests. In this talk we dive into the details of this new system which has a planned go-live date of September 30th. The new system is built around a central Kafka bus. It […]

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November 22, 2017

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J-Fall 2017 Speaker Arun Gupta – Build, Debug and Deploy your first Chatbot

Chatbots are computer programs that interact via auditory or textual methods. They can be integrated in any chat service like Slack or Facebook Messenger. You can talk to them using SMS. You can even converse with them using Alexa. This talk will explain how I built first chatbot for our Star Wars-struck family. Attendees will […]

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November 22, 2017

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J-Fall 2017 Speaker Bas Peters – Inner Source: practices of open source used internally

More and more organisations adopt open source principles to build software. They recognise that open source projects are a productive and successful way of delivering high quality code that solves complex business problems. These organisations allow their developers to share their work without boundaries, require code reviews to be focussed and open to everyone in […]

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November 22, 2017

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