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Unit Testing Hadoop MapReduce Jobs With MRUnit, Mockito, & PowerMock

Posted by Michael Spicuzza on  Dec 03, 2012

Hadoop MapReduce jobs have a unique code architecture that raises interesting issues for test-driven development. In this article Michael Spicuzza shows how to use MRUnit to solve these problems. 1

The State of NoSQL

Posted by Stefan Edlich on  Nov 21, 2012

Stefan Edlich reviews NoSQL, considering its evolution, financial impact, standards or their lack of, current landscape, books, the leaders and some newcomers, concluding that NoSQL is here to stay. 3

Implementing Aggregation Functions in MongoDB

Posted by Arun Viswanathan, Shruthi Kumar on  Jun 20, 2012

In this article, authors Arun Viswanathan and Shruthi Kumar discuss how to implement common aggregation functions on a MongoDB document database using its MapReduce functionality. 7

Uncovering mysteries of InputFormat: Providing better control for your Map Reduce execution.

Posted by Boris Lublinsky, Mike Segel on  Nov 04, 2011

InputFormat class provides a powerful mechanism for tighter control of Maps execution in Map Reduce jobs. In this article authors show how to leverage this mechanism for solving specific problems. 1

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

Posted by John Brothers on  Aug 13, 2010

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. 1

SOA Agents: Grid Computing meets SOA

Posted by Boris Lublinsky on  Dec 11, 2008

In this article, Boris Lublinsky explains how Grid computing can be used in the overall SOA architecture, and introduces a programming model for Grid utilization in the implementation of SOA services. 2

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