Java 11

Past Presentations

Using FlameGraphs To Illuminate The JVM

FlameGraphs offer us a new way to visualize execution profiles, combined with Linux system profiler perf and the recently added -XX:+PreserveFramePointer option in JDK 8u60 we now have for the first time a way to capture a comprehensive profile for the OS, JVM and your Java code. In this...

Nitsan Wakart Performance Consultant and OSS Contributor
Panel: Java Is Still Free?

Java 11 (LTS) changes the timeline for what $free and free (as in use) Java that the industry is used to. There are $free and free (as in use) ways you can get OpenJDK/Java from Oracle and also production ready OpenJDK builds by other OpenJDK/Java providers such as AdoptOpenjDK, Amazon, Azul,...

Martijn Verburg Principal Engineering Group Manager (Java) @Microsoft. ex CEO at jClarity (acquired by MSFT) & CxO / start-up mentor
Stephen Hellberg Runtime Support/Change Team Architect (Java, Node.js, Apache Spark) at @IBM
Simon Ritter Deputy CTO @Azul
Donald Smith Senior Director of Product Management @Oracle
Andrew Haley Java Platform Lead Engineer @RedHat
Event Sourcing on the JVM

Have you ever wondered about event sourced systems and how they work? How to structure things around a transaction log yet still keep the system stable over time when change arises. In this talk we will look at Event Sourcing as a concept as well as specific JVM based implementations that are...

Greg Young Created the term CQRS
Evolution of Financial Exchange Architectures

The Disruptor was announced 10 years ago. A concurrent library for the Java programming language which provided a low-latency, high-throughput means to do asynchronous event processing as a central component to the LMAX's architecture.In the 10 years since Disruptor, Financial Exchange...

Martin Thompson High Performance & Low Latency Specialist
Why We Chose Erlang Over vs. Java, Scala, Go, C

Outlyer is a SaaS infrastructure monitoring tool. We process and store time-series data, which is currently at 100K points per second and growing. To do the grunt work of processing and storing the growing mass of data, we originally started out with Node.JS—quick to build and time-saving....

Colin Hemmings CTO and Co-founder @Outlyer
Designing a Real-Time Global Sportsbook (From Scratch!)

Have you ever found yourself working on an established product and secretly wishing you could start it all again from scratch? Given the chance to pick from modern languages, platforms and technologies, how would you design your dream architecture?    12 months ago we were given this...

Ian Thomas Senior Principal Engineer @thestarsgroup

Interviews

Andres Almiray Java/Groovy Developer and Java Champion Ix-chel Ruiz Groovy Enthusiast, Teacher of Computer Science

Performance Testing in Java

What’s the motivation for the talk?

The talk is structured like a conversation between two senior engineers, to discuss performance issues and to showcase that you don’t necessarily need to have a lot of information in your head in order to start performance testing, and get the results.

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Lisa Guo Software Engineer @Instagram

Scaling Instagram Infrastructure

QCon: What are the main problems you are focused on today?

Lisa: I am a software engineer on the Instagram Infrastructure Team. Our team’s main purpose is to keep the scalability of our systems up. While doing that, we identify both short term and long term fixes around scale. Additionally, we work closely with many other teams on the product side to help them to identify bottlenecks and...

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Holly Cummins Senior Software Engineer @IBM, Committer on Apache Aries

Thinking Strategically About IoT

What’s the main focus of the work you are doing today?

The IBM Bluemix Garage combines design thinking with a platform as a service and extreme programming into a whole, to allow us to solve business problems in a more lean way than is traditional. Being able to create a minimum viable product initially allows us to get something out in front of the customer to allow them to experiment and...

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Trisha Gee Java Champion, Engineer and Evangelist

Is Boilerplate Code Really So Bad?

How you you describe the persona and level of the target audience?

Main target is developers who code every day. Primarily targeting Java developers, particularly those who are busy getting on with actual work and may not have had time to stay up to date on what's happened with recent versions of Java (8, 9) and what may be coming soon (Java 10, 11). Also relevant for tech leads and other people who...

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Sander Mak Fellow & Software Architect @luministech

Modular Java Development in Action

What's the focus of the work that you do at Luminis today?

I work as a software architect at Luminis, and I've been developing Java-based applications for more than 10 years. Currently I'm working on a system that revolves around personalized learning for Dutch secondary schools. We're building web applications and matching back-ends that do data analysis, all in order to improve education. We...

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Duncan MacGregor Working on TruffleRuby and Project Loom with Graal

Graal: Not Just a New JIT for the JVM

Tell me a bit more about the projects that you're working on.

I spend most of my time working on TruffleRuby and a small portion of my time working on project Loom. TruffleRuby is an attempt to produce a high-performance Ruby implementation using a language implementation framework called Truffle. We developed the idea of Truffle; you shouldn't have to write a complicated compiler for your...

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