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Virtual Panel on Immutable Infrastructure

“Immutable Infrastructure” is a term that has been increasingly talked about lately among the Ops community. InfoQ reached out to experienced ops engineers to ask them what is the definition and borders of immutable infrastructure as well as its benefits and drawbacks, in particular when compared to current widespread “desired state” configuration management solutions.

Manuel Pais
on Mar 22, 2014
Measuring Architecture Sustainability

In this article, authors discuss Morphosis, a multi-perspective measuring approach for architecture sustainability that includes evolution scenario analysis, architecture compliance checking, and tracking of architecture-level code metrics. These perspectives include change-prone requirements, technology choices, architecture erosion, and modularization best practices.

Philipp Vorst Thomas Goldschmidt Heiko Koziolek Dominik Domis
on Mar 20, 2014
SQL Server 2014: NoSQL Speeds with Relational Capabilities

For the last four years Microsoft has been working on the first rewrite of SQL Server’s query execution since 1998. The goal is to offer NoSQL-like speeds without sacrificing the capabilities of a relational database. At the heart of this is Hekaton, their memory optimized tables. While still accessible via traditional T-SQL operations, internally they are a fundamentally different technology.

Jonathan Allen
on Mar 19, 2014
Java

Exploring Micro-Frameworks: Spring Boot

Get started with Spring Boot, a Java-orientated micro-frameworks. In this tutorial, you will learn how to install it, develop a Spring Boot app, develop a microservice step by step, also checking for security and how to package your Spring Boot app. It includes code snippets.

Dan Woods
on Mar 18, 2014
Scrum Master Allocation: The Case for a Dedicated Scrum Master

Sharing scrum masters across teams sounds like a great way to cut costs and stretch limited budgets in agile organizations. But you might not be saving as much as you think with this approach– you could even be losing money. Discover the true impact of timesharing your agile coaches, and learn about implications for your financial bottom line that you probably have not considered.

Melinda Stelzer Jacobson
on Mar 17, 2014
Author Q&A: Portia Tung on The Dream Team Nightmare

Portia Tung answers questions about her "build your own adventure" book - The Dream Team Nightmare. Aimed at agile coaches and teams it presents a variety of scenarios for the reader to navigate by making choices at the end of each section. Some of these choices result in success and some expose various failure modes which the reader can examine and learn from.

Shane Hastie
on Mar 15, 2014
OpenJDK and HashMap …. Safely Teaching an Old Dog New (Off-Heap!) Tricks

The OpenJDK Off-Heap JEP will be a radical departure from traditional Java priorities, seeking to standardize a facility for efficiently manipulating off-heap memory. This article surveys the impact this JEP will have to empower Java HashMap with new off-heap capabilities. Simply put, this JEP may be just the magic that can “teach” HashMap (that lovable old dog) some new tricks.

Ben Cotton Peter Lawrey
on Mar 14, 2014
How Composite C1 Found Success by Becoming Open Source

In today’s environment it is difficult to offer commercial products, especially in highly competitive fields such as content management systems. Finding themselves being squeezed out of the market, Composite C1 found a way to thrive by releasing their core product under an open source license with cloud based hosting.

Jonathan Allen
on Mar 13, 2014
Lambda Architecture: Design Simpler, Resilient, Maintainable and Scalable Big Data Solutions

Lambda Architecture proposes a simpler, elegant paradigm designed to store and process large amounts of data. In this article, author Daniel Jebaraj presents the motivation behind the Lambda Architecture, reviews its structure with the help of a sample Java application.

Daniel Jebaraj
on Mar 12, 2014
3 years of Kanban at Sandvik IT: Sustaining Kanban in the Enterprise

This second article in the “3 years of Kanban at Sandvik IT” series focuses on the lessons that the System Development Office learned when sustaining the Kanban method during this 4 years journey. Presented are four qualities that Sandvik IT identified as key when setting-up relevant, and long-term, kanban systems in the enterprise: Stickiness, Clarity, Curiosity and Influence.

Christophe Achouiantz
on Mar 11, 2014
Sustainable Architectural Design Decisions

Software architects must create designs that can endure throughout software evolution. In this article, based on a research study the authors discuss the criteria that can help architects assess architectural design decisions’ sustainability. They describe the challenges to achieving sustainable decisions, criteria for such decisions, solutions they tried, and lessons learned.

Rafael Capilla Olaf Zimmermann Uwe Zdun Huy Tran
on Mar 09, 2014
Author Q&A on Programming for Kids

The book Programming for Kids contains many examples that kids in the age from 9-14 can use to learn the basics of programming, using the programming language Ruby. It also shows them how they can use the command line on a Mac computer. Parents can sit beside their kids and follow along. InfoQ did an interview with the author Peter Armstrong about how kids learn computer programming.

Ben Linders
on Mar 07, 2014

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