Articles

ALM and Business Processes

Meet the Goliath of Ruby Application Servers

PostRank Labs released an open source version of their Ruby web server framework powering PostRank. Goliath, is an asynchronous server designed for speed, leveraging key features of Ruby 1.9+. Goliath creates fast web and data services not unlike node.js but sticking with what Ruby developers know..Ruby. Discover how easy it can be to create manageable server-side services with Ruby.

Concurrency Controls in Data Replication

Learn about leading concurrency control mechanisms used for data replication in distributed environments, comparing synchronous and asynchronous implementations with/without locking - techniques used by Oracle RAC, TimesTen, and GigaSpaces and NoSQL databases. Explore tradeoffs among performance, consistency, deadlocks, and conflicting updates in the context of a sample distributed application.

Implementation Decision Rationales – Program Comprehension in Agile

Given the fact that the bulk of a developer's work is maintaining and enhancing existing code, Fabian Kiss makes the case for a lightweight approach to documenting the rationale and decision process behind design decisions to help later developers tie the source code syntax to its meaning in the application domain. Using simple tags and clearly thought out rationale to provide just-enough value.

The Azul Garbage Collector

Azul's recently announced Zing product brings their Garbage Collector, which achieves both pauseless garbage collection and a high tolerance to the factors which typically impact collection and application responsiveness, to Java programs running on Intel and AMD based servers. This article takes a detailed look at how Azul has been able to achieve these design goals.

Agile Contracts

The traditional Waterfall model fits nicely with the way companies buy things: requirements are drawn up, a supplier quotes a price, and everyone signs a legally binding agreement. Contracts written this way seldom offer the freedom to work using an Agile approach. This article examines four separate models available to suppliers and customers for establishing contracts for Agile work.

Key Takeaway Points and Lessons Learned from QCon San Francisco 2010

This article presents the main takeway points as seen by the many attendees who blogged about QCon. Comments are organized by tracks and sessions: Keynotes, Tutorials, Architectures You've Always Wondered About, Java, the Platform, Real Life Cloud Architectures, Agile Evolution, Design at Scale, Dev and Ops: A Single Team, NoSQL, SOA for the REST of Us, and many more!

Use of Kanban in the Operations Team at Spotify

In this article, InfoQ spoke with Mattias Jansson, Operations Engineer at Spotify (an online music streaming service) about the adoption of Kanban by the Spotify Operations team. Jansson offered a lot of detail about the choice to adopt Kanban as well as the experiences that the Operations team at Spotify has gained while implementing a Kanban-based approach to dealing with their workload.

A Brief Introduction to the Java and .NET Patent Issues

With the recent legal battle between Google and Oracle there is a renewed focus on the patent issues for Java and .NET. Tim Smith introduces the licenses offered by Oracle/Sun and Microsoft, with a focus on how they may affect third party implementation. Possible motivations for Google Android’s unique implementation are also covered.

Interview With Paul Fremantle On WSO2 Stratos

WSO2 recently released Stratos an Open Source Cloud Computing Platform for Enterprise Application Development. WSO2 Stratos is built on top of and extends WSO2 Carbon an OSGi-compliant middleware. InfoQ interviewed Paul Fremantle CTO of WSO2 to talk about the product offering and provide insights into the roadmap and development of Stratos.

Going Live: The Role of Development and Operations in Preparing and Deploying Software Packages

A discussion of how Development, Operations and others can collaborate to prepare a good deployment package. minimizing the potential for error, improving clarity, and allowing for customization.

Data Mining in the Swamp: Taming Unruly Data With Cloud Computing

Matrix presents a white paper on using the open source tool, Hadoop, to implement the MapReduce strategy and a Cloud computing strategy to solve business intelligence problems.