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  • Shift Left Performance Testing - a Different Approach

    by Bernhard Klemm on  Jul 10, 2014

    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.

  • Key Takeaway Points and Lessons Learned from QCon New York 2014

    by Abel Avram on  Jul 08, 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.

  • Where Has the Java PermGen Gone?

    by Monica Beckwith on  Jul 07, 2014 2

    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”.

Building Better Search Engines by Measuring Search Quality

Posted by Ellen M. Voorhees, Paul Over, Ian Soboroff on  Jul 06, 2014

Search engines are developed using standard sets of test cases to measure the effectiveness of alternative approaches. This article talks about TREC project used to measure quality of search results.

VRaptor MVC Framework; Powerful Simplicity

Posted by Rodrigo Turini on  Jul 02, 2014

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 2

Virtual Panel: Configuration Management Tools in the Real World

Posted by João Miranda on  Jul 01, 2014

Configuration management tools are a hot topic on IT. InfoQ reached out to users of each of the major tools (Ansible, CFEngine, Chef, Puppet and SaltStack) to ask them about their experiences.

Preparing for Scale: InfoQ Virtual Roundtable with Cloud Practitioners

Posted by Richard Seroter on  Jun 29, 2014

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.

Article Series: Configuration Management Tools

Posted by João Miranda on  Jun 27, 2014

Configuration management is the foundation that makes modern infrastructure possible. Tools that enable configuration management are required in the toolbox of any operations team.

Book Review: Integration Testing from the Trenches

Posted by Victor Grazi on  Jun 27, 2014

In this important and thorough treatise “Integration Testing from the Trenches” Nicolas Frankel starts from basics and develops integration testing with a casual formalism that's intuitive and fun.

God-Mode in Production Code

Posted by Tal Weiss on  Jun 26, 2014

Takipi is makes it just as easy to debug Java and Scala code in production as it is on your desktop 2

Data Modeling with Key Value NoSQL Data Stores – Interview with Casey Rosenthal

Posted by Srini Penchikala on  Jun 25, 2014

In Key Value data stores, data is represented as a collection of key–value pairs. InfoQ spoke with Casey Rosenthal from Basho team about data modeling when using Key Value NoSQL databases.

CFEngine's Decentralized Approach to Configuration Management

Posted by Mark Burgess & Diego Zamboni on  Jun 24, 2014

Mark Burgess and Diego Zamboni introduce CFEngine. They describe the challenges regarding web scale - scale, complexity and knowledge - and how CFEngine helps to tackle those challenges.

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