Java 11
Past Presentations
Spring Framework 5 - Preview & Roadmap
The Spring team is busily working on Spring Framework 5.0, with a release candidate scheduled for Q4 2016. This presentation covers the key themes in Spring 5, based on the current state of development: going Java 8+ across the entire framework codebase, comprehensive support for JDK 9, a strong...
From Concurrent to Parallel
As core counts continue to increase, how we exploit hardware parallelism in practice shifts from concurrency — using more cores to handle more user requests — to parallelism — using more cores to solve data-intensive problems faster. This talk will explore the different goals, tools, and...
Policing The Stock Market with Machine Learning
Neurensic has built a solution, SCORE, for doing Trade Surveillance using H2O (an open-source pure Java Big Data ML tool), Machine Learning, and a whole lot of domain expertise and data munging. SCORE pulls in private and public market data and in a few minutes will search it for all sorts of bad...
Performance Testing in Java
Writing software is regarded by many developers as a craft or an art. However when it comes to performance tuning and/or testing many believe it to be more of a dark art. Nothing farther from the truth. We can gain a lot by applying a concrete methodology and similar reasoning techniques we...
Low Latency Trading Architecture at LMAX Exchange
Building a financial exchange like the one that LMAX Exchange operates presents a unique challenge. Our customers trade over $2 trillion a year through our platform, while demanding low and predictable latency with ever increasing volumes of transactions. In this talk we will present an overview...
Scaling Instagram Infrastructure
Instagram is a social network mobile app that allows people to share the world's moments as they happen. It serves 300 millions users on a daily basis throughout the world. In this talk, we will give an overview on the infrastructure that supports its users on this large scale. Topics will...
Interviews
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.
Read Full InterviewScaling 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...
Read Full InterviewThinking 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...
Read Full InterviewIs 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...
Read Full InterviewModular 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...
Read Full InterviewGraal: 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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