InfoQ Homepage Architecture Content on InfoQ
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An Open, Interoperable Cloud
This article describes how interoperable clouds can be created, today, through the integration of open standards such as the Open Cloud Compute Interface, the Open Virtualisation Format and CDMI. They provide the means to package virtual infrastructure deployments, an API for the runtime management of storage infrastructure and an API for the runtime management of infrastructure as service.
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Oozie by Example
End to end Oozie example, including process design, resource coordinator and workflow implementation
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Interview and Book Excerpt: CMMI for Services
CMMI for Services(CMMI-SVC)is a process improvement framework developed by the SEI for service providers. InfoQ spoke to Eileen Forrester, co-author of CMMI for Services: Guidelines for Superior Service and manager of CMMI-SVC. In this interview we cover adoption practices for CMMI-SVC and its relationship with CMMI-DEV, ITIL and Agile accompanied by relevant excerpts from the book.
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Introduction to Oozie
Basic introduction to Oozie - a framework allowing to combine multiple Map/Reduce jobs into a logical unit of work.
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Database-based High Performance Message Exchange Service for Enterprise Applications
Database Message Exchange Service (DBMES) stores messages in database for a Windows service to deliver to external services and vice versa. A message can be anything – an order, some task, a message for a destination message queue, a payload for calling external webservice and so on. DBMES decouples the client from the external services that are not on the same network or not always available.
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Virtual Panel: State of the Art in JavaScript Unit Testing
Unit testing is a commonly accepted practice in order to deliver maintainable code. This is especially true for a dynamic language like JavaScript and there are currently several frameworks and libraries for a team to choose from. InfoQ had a Q&A with the creators of some of the leading JavaScript unit testing frameworks about their projects and what they offer to developers.
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Twitter Shifting More Code to JVM, Citing Performance and Encapsulation As Primary Drivers
While it almost certainly remains the largest Ruby on Rails based site in the world, Twitter has gradually been moving more and more of its stack to the JVM. Last year the company announced that its back-end message queue had been re-written in Scala, and more recently it moved the search stack to Java, making Twitter search around three times faster.
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Architecting a Cloud-Scale Identity Fabric
In this IEEE article, author Eric Olden discusses an identity fabric that links multiple applications to a single identity to manage the volume of user identities that network administrators must secure and to enable a full-scale cloud adoption.
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Agile Schools: How Technology Saves Education (Just Not the Way We Thought it Would)
People from President Obama to Bill Gates propose that technological innovation is the key to improving our schools. But tech products and concepts may not be as influential as tech processes and culture. Applying the Agile methodology to school operation could catalyze dramatic change by bringing a proven systematic solution to one of the most challenging social issues of our age.
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Dependency Injection with Mark Seemann
Mark Seemann, author of Dependency Injection in .NET, talks to us about the differences between DI and Service Locators and the importance of having a Composite Root. He also touches on how these all relate back to the SOLID principals of object oriented design.
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Interview and Book Excerpt: CMMI for Development
The CMMI for Development (CMMI-DEV) framework, developed at the Software Engineering Institute (SEI), can be used to improve product quality and project and organizational performance. InfoQ spoke with Mike Konrad, co-author of the book published on CMMI-Dev framework.
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Micro ORMs with Sam Saffron and Rob Conery
Opinions about ORMs vary widely. Some see it as an essential tool for simplifying data access while others claim it greatly increases complexity while robbing applications of much needed performance. Sam Saffron and Rob Conery have found a middle ground in what’s known as a Micro ORM.