Paris

May 23-24

New Cap Event Center
3 Quai de Grenelle, 75015
Paris, France


Agenda Day 1

8:00am

Breakfast

8:45am

Welcome

9:10am

Better Software is Better than Worse Software

Michael Coté, Technical Marketer, Pivotal

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“Digital transformation” seems like idle business fantasy. But, it’s a real strategy used by the US Air Force, Air France KLM, Liberty Mutual, DBS Bank, and others to out-innovate competition & delight people. We will go over how Pivotal customers like these are improving their software, how Pivotal Cloud Foundry lays the foundation for better software helps, and how you can be a part of making the world a better place with better software.

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9:40am

Efficient Web Apps with Spring Boot 2

Stéphane Nicoll, Spring Developer, Pivotal

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How can we improve the efficiency of an existing web application? We could completely rewrite it, leverage more concurrency and even reactive features. But is it really worth it if we don't even measure and track the relevant metrics? In this talk, Stéphane will work on an existing Spring Boot MVC application to make it more efficient. He'll replace `RestTemplate` with `WebClient` and use Reactor operators to improve efficiency, without the concurrency pitfalls. He'll use out-of-the-box metrics, add new ones to measure, and keep an eye on capacity gains with dashboards.

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10:30am

Break

11:00am

Refactor And Do It Safely

Jakub Pilimon, Principal Technologist, Pivotal

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We've all been there, facing a blinking cursor. You need to build a new feature, but aren't sure where to start. Or you have to fix something in your app, and you're unsure why it broke. This situation is common with Big Ball of Mud architectures. This design hinders your release velocity. And it makes it near-impossible to seize new business opportunities. How can you move on from this situation? Most of us also know what good design is. We talk a lot about Domain-Driven Design, modeling, event storming and Test-Driven Development. Here's the challenge: how to apply this thinking to your current systems. How do we modernize the app? How do convince people we should modernize it? How do we overcome the lack of testing? Or lack of business knowledge? Attend this session to answer these questions and more. You'll learn about techniques that have proven to work in companies like yours.

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12:00pm

Kube Your Enthusiasm

Paul Czarkowski, Principal Technologist, Pivotal

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Part talk, part demo, part live coding. We will take the audience through the basics of Kubernetes and then turn to the audience to go go down a Kube Your Own Adventure exploration of a number of different Kubernetes related topics such as Spring Cloud Kubernetes, Helm, Spinnaker, Knative, Operators, and so much more!

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1:00pm

Lunch

2:00pm

Pivotal Conversations

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Pivotal Conversations is loosely based in the open space meeting format, meaning it is based on (un)common sense of what people do naturally in productive meetings. Pivotal Conversations is a simple meeting format where attendees will break into smaller groups and have candid conversations about topics that our speakers have composed, based on the talks they gave earlier in the day. Each 45-minute session will have a casual format where attendees can feel comfortable discussing anything they want to know more about. Although these conversations are facilitated by our speakers, attendees should really be the ones leading the conversations.

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5:00pm

Networking & Social

7:00pm

Day Ends



Agenda Day 2

8:00am

Breakfast

8:45am

Welcome

9:00am

The Reactive Revolution

Josh Long, Spring Developer Advocate, Pivotal

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The reactive revolution continues. For as much as we've been talking about reactive programming in Spring for the last few years the journey has only just begun. Join Josh Long, and we'll take our reactive applications further, looking at how to build microservices for cloud platforms like PAS (Cloud Foundry) and PKS (Kubernetes). Some of the things we may cover include: - reactive NoSQL data access - reactive SQL data access with R2DBC - orchestration and reliability patterns like client-side loadbalancing, circuit breakers, and hedging - messaging and service integration with Apache Kafka or RSocket - API gateways with Spring Cloud Gateway and patterns like rate limiting - API adapters - serverless programming with Spring Cloud Function and project Riff - reactive authentication and authorization with Spring Security.

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9:55am

Benefits of Reactive Programming with Reactor and Spring Boot 2

Violeta Georgieva, Principal Software Engineer, Pivotal

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Scalability and resilience are key goals for modern applications. To achieve this, applications can run on the reactive stack provided in Spring Boot 2. Many applications already made the transition and are experiencing the benefits. In this session, we will explore what are those benefits. We will use various benchmarks to understand how key application metrics are impacted and what it means in our cloud native world. Several use cases will be shown to help driving the decision for a reactive design transformation that fits your architecture goals.

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10:45am

Break

11:15am

Drinking from the Stream: How to Use Messaging Platforms for Scalability & Performance

Mark Heckler, Spring Developer Advocate, Pivotal

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Most mission-critical systems have distributed elements or are entirely distributed, resulting in a number of challenges: performance, scalability, reliability, resilience...the eight fallacies of distributed computing are alive and well! Messaging platforms are often used to solve these problems and increase the "ilities", but they don't come without a few complexities of their own. Come to this session to learn how to leverage open source solutions like Spring Cloud Stream, RabbitMQ, & Apache Kafka to maximize your distributed systems' capabilities while minimizing complexity. All examples will be coded *live & in real-time*!

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12:05pm

Bootiful Reactive Testing

Mario Gray, Principal Technologist, Pivotal

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Join us for an exploration of testing a reactive Spring Boot 2.x application. Test driven development gives us the confidence necessary to improve our code faster, safely. But how do you test components and services, as well as integrations across distributed systems, while maintaining fast feedback loops, and how do you do all of this within the context of reactive Java? In this talk, we'll look at how to test imperative components, reactive data flows, and mocks. We’ll examine how to take advantage of test slices, and how to test web applications. We'll look at how to ensure that API producers and consumers work well together using consumer driven contract testing without sacrificing the testing pyramid for end-to-end integration tests. And we’ll do it all within the context of reactive programming.

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1:00pm

Lunch

2:00pm

How Fast is Spring?

Dave Syer, Senior Consulting Engineer, Pivotal

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These days everyone wants to run more with less, and if your app consumes too many resources on PAS/PKS/PFS then it's easy to point fingers at the runtime stack. In this presentation we take stock of some of the myths and assumptions regarding the runtime costs of using Spring. The conclusion is that preconceptions about slowness, component scanning, autoconfiguration, binding, use of reflection are all completely wrong. We look at data from a large set of benchmarks, analysing the performance of Spring applications. We concentrate on JVM startup time, but data are also available regarding total resource usage, and other runtime overheads. Spring is not slow, despite many people's preconceptions, but measuring the performance can bring useful optimizations, some of which we will point out in this session. Finally, we can go deeper than that and show what kinds of apps are slower to start and why.

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2:50pm

Deploying Applications Using Pivotal Cloud Foundry

Etienne Cointet, Head of Presales, France, Pivotal

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In an enterprise organisation it can be hard to get software into production. And when it’s finally running it’s often with regular downtime due to the upgrading and patching of systems your applications are depending on. But it doesn’t have to be this way! This session will demonstrate how you can get your (Spring Boot) applications into production the fastest, whenever you want, with zero downtime and without compromising stability, while increasing scalability and security at the same time.

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3:40pm

Break

4:00pm

Thinking Architecturally

Nate Schutta, Solution Architect, Pivotal

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Rich Hickey once said programmers know the benefits of everything and the trade offs of nothing...an approach that can lead a project down a path of frustrated developers and unhappy customers. As architects though, we must consider the trade offs of every new library, language, pattern or approach and quickly make decisions often with incomplete information. How should we think about the inevitable technology choices we have to make on a project? How do we balance competing agendas? How do we keep our team happy and excited without chasing every new thing that someone finds on the inner webs? As architects it is our responsibility to effectively guide our teams on the technology journey. In this talk I will outline the importance of trade offs, how we can analyze new technologies and how we can effectively capture the inevitable architectural decisions we will make. I will also explore the value of fitness functions as a way of ensuring the decisions we make are actually reflected in the code base.

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4:50pm

Day Ends