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DevOps Pro Europe 2020




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Sebastian Daschner

IBM, Germany


Sebastian Daschner is a Java Developer Advocate at IBM, a consultant, author, and trainer. He is the author of the book “Architecting Modern Java EE Applications”. Sebastian is participating in the JCP, helping forming the future standards of Java EE, serving in the JAX-RS, JSON-P and Config Expert Groups and collaborating on various open source projects. For his contributions in the Java community and ecosystem he was recognized as a Java Champion, Oracle Developer Champion and double 2016 JavaOne Rockstar. Besides Java, Sebastian is also a heavy user of cloud native technologies. He evangelizes computer science practices on, his newsletter, and on Twitter via @DaschnerS. Sebastian kickstarted the JOnsen and jSpirit unconferences that connect Java developers throughout the globe. When not working with Java, he also loves to travel the world – either by plane or motorbike.


Zero-Downtime Java Enterprise Applications With Kubernetes

The software world moves faster than ever. In order to stay competitive, new software versions need to be rolled out as soon as possible, without disrupting active users. Many enterprises have moved their workloads to Kubernetes, which has been built with production-readiness in mind. However, in order to achieve real zero-downtime with Kubernetes, without breaking or loosing a single in-flight request, we need to take a few more steps.

This session shows what it takes to deploy and update Java Enterprise applications with minimal user disruption. We will see how to detect gaps in our deployments and how to enhance our applications as well as our Kubernetes deployments to close these gaps. We’ll also see how to upgrade cluster nodes without causing the running applications to go dark. All of the time will be spent live-demoing.

Session Keywords


Enterprise Java