Tag Archives: dv13

Hadoop data-mining swiss army knife by @plopezFr and @BertrandDechoux at #devoxx #DV13-HadoopCode

Hadoop data-mining swiss army knife

The website voyages-sncf.com sells half of the Thalys tickets in France and is one of the most visited websites in Europe. That high load triggered a huge amount of logs that, at first, were not used. After some time, they wanted to sek value in those logs and started investigating solutions for distributed computing. Continue reading

Shaping the future of web development by Lars Bak at #devoxx

Shaping the future of web development

Conference given by Lars Bak at Devoxx 2013.

Nowadays, an ever growing part of the population don’t even bother to start any other application than a browser. More and more applications are web applications.

An obstacle to web applications is the development productivity.

Javascript is not a well structure language and lacks both complete and consistent libraries and tooling.

Continue reading

Practical RESTful persistence by @shaunmsmith at #devoxx

Practical RESTful persistence

EclipseLink provides a JPA-RS implementation. Let’s see what hides behind this.

The use case is a web application with the main logic inside the browser and a backend providing only persistency. We want to provide a REST API to that persistence. Continue reading

Java 8 and beyond #devoxx #dv13 by @mreinold and @BrianGoetz

Java 8 and beyond

Keynote performed at Devoxx 2013 by Mark Reinhold and Brian Goetz

Java exists for 18 years. Nothing can stay so long in the field without evolving.

One of the latest evolution in computer science is multiplication of cores and pipelines in processor.

For that reason it is intersting to look at problems from a perspective where everything is splitted in parallel data flows which split and split and split until complex problems resolve themselves as a multitude of simple parallel calculation.

To support that perspective, closures were added.

Continue reading

Fault tolerance made easy by @ufried at #devoxx

Fault tolerance made easy

Given by Uwe Friedrichsen at Devoxx 2013.

It describes a series of patterns applicable to vast majority of applications in order to support a user-friendly degradation of functionalities when a resource becomes unavailable or that the load becomes too high to cope with every request in a satisfactory way.

Continue reading