InfoQ Homepage Architecture & Design Content on InfoQ
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3 years of Kanban at Sandvik IT: The Story of an Improvement Journey
This is the story of an enterprise-wide Kanban implementation. It explains why Sandvik IT chose the Kanban method; how it was deployed using a kick-start concept; how it was followed-up using a depth-of-kanban assessment; and the effects so far. The article includes links to concrete and step-by-step information on how to run these kick-starts and assessments
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How LinkedIn Uses Apache Samza
Apache Samza is a stream processor LinkedIn recently open-sourced. In his presentation, Samza: Real-time Stream Processing at LinkedIn, Chris Riccomini discusses Samza's feature set, how Samza integrates with YARN and Kafka, how it's used at LinkedIn, and what's next on the roadmap.
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Virtual Roundtable: The Future of PaaS in Cloud Computing
There has been a raging debate about PaaS and whether it is still a valuable part of a cloud portfolio, so InfoQ reached out to four leaders in the cloud domain (cloud advocate Krish Subramanian, cloud developer Dan Turkenkopf, cloud executive JP Morgenthal, and cloud expert James Urquhart) for their opinions on the future of PaaS.
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Building Applications With Hadoop
When building applications using Hadoop, it is common to have input data from various sources coming in various formats. In his presentation, “New Tools for Building Applications on Apache Hadoop”, Eli Collins overviews how to build better products with Hadoop and various tools that can help, such as Apache Avro, Apache Crunch, Cloudera ML and the Cloudera Development Kit.
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ActiveJPA – Active Record Pattern for JPA
ActiveJPA is a Java implementation of Martin Fowler’s Active Record pattern that wraps around JPA and provides useful abstractions to simplify data access. With ActiveJPA, models themselves act as a DAO and interact with the database without requiring additional code for the DAL. In this article the primary committer discusses ActiveJPA and provides plenty of usage examples.
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Interview with Ole Jepsen on Leadership in Agile
Good leaders create an environment where self-organizing teams can thrive and create great products and services to delight their customers: that is what Ole Jepsen explains in this interview. At the XP Days Benelux conference he talked about truly leading people and the subtle but important differences between taking and giving control.
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Non-functional Requirements in Architectural Decision Making
In this article, authors present an empirical study based on a survey about the software architecture practices for managing non-functional requirements (NFRs) and decision making in software development process. They also discuss about how these requirements are elicited, documented, and validated at different organizations.
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Author Q&A: Patterns of Information Management
Mandy Chessell and Harald Smith have written a book titles Patterns of Information Management in which they present approaches to structuring and managing information assets based on their experiences across a range of customers. They use a Patterns approach to identify ways of addressing information problems which are common to many of the organisations they have worked with.
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Minding the API Hierarchy of Needs with RAML and APIkit
Reza Shafii explains how to satisfy two fundamental needs of API design and implementation, as defined by the API hierarchy of needs, with RAML, API Designer and APIkit.
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Discover and Diagnose Java Concurrency Problems Using Contemplate's ThreadSafe
Writing Java software that correctly and safely makes use of concurrency requires careful thought. Software that incorrectly accounts for concurrency can contain intermittent defects that elude even the most rigorous testing regimes. Static analysis tools can analyze source code or compiled bytecode to discover latent bugs hidden within code, long before it is executed.
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Intelligent Evolution: Making Change Work
Some 80% of all improvement and change programmes fail: they did not achieve the expected results, the investment in the change programme was greater than the value achieved, “improvements” were seen as mostly bureaucratic, or changes were abandoned soon after the implementation. Intelligent Evolution ensures long-term business success rather than short-term satisfaction of a standard or theory.
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Preparing for Your First MongoDB Deployment: Backup and Security
This article we focuses on the database backup tools and security policies when deploying MongoDB NoSQL databases. Topics like cloud backups with MongoDB Management Service (MMS), authentication, and authorization are covered.