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HaMIS: One 24/7 Product and Four Scrum Teams, Four Years Later

This is a story about four cross-functional scrum/DevOps/feature teams delivering and managing a business-critical 24/7 system used by vessel-traffic services operators and many other users, a compendium of topics that derive from our more than four years of agile and scrum practices at the Port of Rotterdam, one of the world's busiest ports.

Viktor Grgic
on Jul 17, 2014
Unusual Ways to Create a Mobile App

There are hundreds of thousands of mobile applications for nearly every purpose in the iOS or Android app stores. Usually they are created with Objective-C toolstacks for iOS devices and Java based for Android handsets. In this article we would like to show you two not so common ways to build native apps with Java and Xtend which help to share code between both worlds and simplify development.

Niklas Therning Sven Efftinge
on Jul 16, 2014
Book Review: "Taste Test, 2nd edition" and Q& A with Matt Jaynes

Taste Test, by Matt Jaynes, is a book that uses a simple scenario to compare Ansible, SaltStack, Chef and Puppet. On the recently released 2nd edition it adds new chapters on Docker, the communities around the tools, and how they fare on security. InfoQ took this opportunity to talk with Matt to know more about his thoughts on the tools and his approach to configuration management when consulting.

João Miranda
on Jul 14, 2014
Cindy Walker on Data Management Best Practices and Data Analytics Center of Excellence

Cindy Walker spoke at Enterprise Data World Conference about using semantic approaches to augment the data management practices. InfoQ spoke with her about the data management best practices and the data analytics center of excellence initiative.

Srini Penchikala
on Jul 13, 2014
Web Development

Virtual Panel: Real-world JavaScript MVC Frameworks

JavaScript front-end codebases grow larger and more difficult to maintain. As a way to solve this issue developers have been turning to MVC frameworks which promise increased productivity and maintainable code. InfoQ asked the opinion of experts practitioners about how they use these frameworks and the best practices they follow when developing JavaScript applications.

Dio Synodinos
on Jul 11, 2014
Shift Left Performance Testing - a Different Approach

This article will explain a different approach to traditional Multi User Performance testing; using the same tools but combine them with modern data visualisation techniques to gain early insight into location specific performance and application areas that may have "sleeping" performance issues.

Bernhard Klemm
on Jul 10, 2014
Key Takeaway Points and Lessons Learned from QCon New York 2014

This article summarizes the key takeaways and highlights from QCon New York 2014 as blogged and tweeted by attendees. Over the course of the next 5 months, InfoQ will be publishing most of the conference sessions online, including 24 video interviews that were recorded by the InfoQ editorial team.

Abel Avram
on Jul 08, 2014
Java

Where Has the Java PermGen Gone?

Prior to JDK8 class metadata and constants would live in an area called the “permanent generation”, contiguous with the Java heap. One problem was that If the class metadata size is beyond the allocated bounds your app would run out of memory. With the advent of JDK8 we no longer have PermGen. The space where it was held has now moved to native memory to an area known as the “Metaspace”.

Monica Beckwith
on Jul 07, 2014
Building Better Search Engines by Measuring Search Quality

Search engines are developed using standard sets of realistic test cases that let developers measure the relative effectiveness of alternative approaches. This article talks about NIST's Text Retrieval Conference (TREC) project used to create the infrastructure to measure the quality of search results.

Paul Over Ellen M. Voorhees Ian Soboroff
on Jul 06, 2014
VRaptor MVC Framework; Powerful Simplicity

VRaptor's latest version 4 CDI MVC framework is now available. In this article we take a tour of how to use this simple but powerful framework to build web applications

Rodrigo Turini
on Jul 02, 2014
Virtual Panel: Configuration Management Tools in the Real World

Configuration management tools are a hot topic on the DevOps community and IT organizations in general. InfoQ reached out to users of each of the major tools (Ansible, CFEngine, Chef, Puppet and SaltStack) to ask them about their experiences. Why did they choose a given tool? How was the tool introduced in the organization? These are some of the questions they answered.

João Miranda
on Jul 01, 2014
Preparing for Scale: InfoQ Virtual Roundtable with Cloud Practitioners

How should organizations plan for a cloud environment and optimize it for efficiency at scale? InfoQ reached out to 3 leading cloud practitioners to uncover practical advice on this topic. Each panelist has dealt with the sometimes-messy transition from on-premises to cloud, and coached organizations through their journey.

Richard Seroter
on Jun 29, 2014

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