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16th - 17th March 2017
Cineplexx Wienerberg, Wienerbergstraße, Vienna, Austria
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Thursday, March 16 • 10:20 - 11:10
Migrating to Microservice Databases: From Relational Monolith to Distributed Data

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In a distributed system with multiple moving parts, which is the case of Microservices, we can’t allow that a single complement downtime breaks down the entire system. Dealing with stateless code is easy, but it gets much harder when we have to deal with persistent state. In this scenario, zero downtime migrations are paramount to guarantee integrity and consistency.

Within all the Microservices characteristics, undoubtedly the one that creates more perplexity is the “one database per Microservice”. However, very few teams have the privilege of starting something from scratch: most of the times they have a legacy database that will survive any new implementation.

In legacy systems you traditionally have a model that adopts transactions, strong consistency, and CRUD. In order to guarantee integrity and consistency with zero downtime, we must reassess some of these concepts. In this talk we’ll discuss strong and eventual consistency, CRUD and CQRS, Event Sourcing, and how these techniques relate to each other in many different integration and evolution strategies for relational databases. We’ll explore Views, Materialized Views, Mirror Tables, Event Sourcing/Streaming, Data Virtualization, Change Data Capture, and how these strategies enable you to build up a Microservices architecture from a legacy monolithic relational database.

Speakers
avatar for Edson Yanaga

Edson Yanaga

Edson Yanaga, Red Hat's Director of Developer Experience, is a Java Champion and a Microsoft MVP. He is also a published author and a frequent speaker at international conferences, discussing Java, Microservices, Cloud Computing, DevOps, and Software Craftsmanship. | | Yanaga considers himself a software craftsman, and is convinced that we all can create a better world for people with better software. His life's purpose is to deliver and help... Read More →


Thursday March 16, 2017 10:20 - 11:10
Room 7

Attendees (22)