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Interview and Book Review: The LogStash Book, Log Management Made Easy

James Turnbull makes a compelling case for using Logstash for centralizing logging by explaining the implementation details of Logstash within the context of a logging project. The book targets both small companies and large enterprises through a two sided case; both for the low barrier to entry and the scaling capabilities.

Aslan Brooke
on May 20, 2013
Interview and Video Review: Working with Big Data: Infrastructure, Algorithms, and Visualizations

Paul Dix leads a practical exploration into Big Data in this video training series. The first five lessons of the training span multiple server systems with a focus on the end to end processing of large quantities of XML data from real Stack Exchange posts. He completes the training with a lesson on developing visualizations for gaining insights from the macro level analysis of Big Data.

Aslan Brooke
on May 02, 2013
Refactoring Legacy Applications: A Case Study

To refactor legacy code, the ideal is to have a suite of unit tests to prevent regressions. However it's not always that easy. This article describes a methodology to safely refactor legacy code.

Chen Ping
on Feb 27, 2013
The Datomic Information Model

Rich Hickey, the author of Clojure, explains the information model of Datomic - a new database designed as a composition of simple services, combining the capabilities of RDBMS and scalability of NoSQL.

Rich Hickey
on Feb 01, 2013
Apache Crunch: A Java Library for Easier MapReduce Programming

In his new article Josh Wills introduces Crunch - a new Apache incubating project providing a Java library for creating MapReduce pipelines. Crunch is based on a set of high level abstractions simplifying MapReduce applications design and provides library of patterns to implement common tasks like data joins, aggregations, and sorting.

Josh Wills
on Dec 27, 2012
Using AWS Cloud Search

Many of today’s applications heavily rely on the search functionality. In this Article Boris Lublinsky explains how to build Java APIs for uploading data and implementing search for Amazon Cloud Search. Usage of these APIs can simplify embedding Amazon Cloud Search functionality into custom applications.

Boris Lublinsky
on Dec 11, 2012
Unit Testing Hadoop MapReduce Jobs With MRUnit, Mockito, & PowerMock

Hadoop MapReduce jobs have a unique code architecture that raises interesting issues for test-driven development. In this article Michael Spicuzza provides a real-world example using MRUnit, Mockito, and PowerMock to solve these problems.

Michael Spicuzza
on Dec 03, 2012
Interview and Book Review: NoSQL Distilled

InfoQ spoke with both authors of the book, Pramod and Martin Fowler about NoSQL database space, the emerging trends in NoSQL.

Srini Penchikala
on Nov 29, 2012
The State of NoSQL

Stefan Edlich, Senior Lecturer at Beuth HS of Technology Berlin, Germany, reviews NoSQL, considering its evolution, financial impact, the standards or their lack of, the current landscape, books, the leaders and some newcomers, concluding that NoSQL is here to stay.

Stefan Edlich
on Nov 21, 2012
Hadoop Virtual Panel

In this virtual panel, InfoQ talks to several Hadoop vendors and users about their views at current and future state of Hadoop and the things that are the most important for Hadoop’s further adoption and success.

Boris Lublinsky
on Nov 20, 2012
The Architecture of Datomic

Rich Hickey, the author of Clojure, explains the architecture of Datomic - a new database designed as a composition of simple services, combining the capabilities of RDBMS and scalability of NoSQL.

Rich Hickey
on Nov 02, 2012
Julien Nioche on Apache Nutch 2 Features and Product Roadmap

Open source web-search framework Apache Nutch version 2 supports large scale crawling, link-graph database and HTML parsing. InfoQ spoke with Julien Nioche, VP of Apache Nutch project, about the framework new features and its future roadmap.

Srini Penchikala
on Nov 01, 2012