List/Grid Tag Archives: MapReduce

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Is there a future for Map/Reduce?

Google’s Jeffrey Dean and Sanjay Ghemawat filed the patent request and published the map/reduce paper  10 year ago (2004). According to WikiPedia Doug Cutting and Mike Cafarella ...
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Hadoop MapReduce Concepts

What do you mean by Map-Reduce programming? MapReduce is a programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent ...
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Can MapReduce solve planning problems?

To solve a planning or optimization problem, some solvers tend to scale out poorly: As the problem has more variables and more constraints, they use a lot more RAM memory and CPU power. ...
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Apache Spark is now a top-level project

The Apache Software Foundation (ASF) happily announced that Apache Spark has graduated from the Apache Incubator to become a Top-Level Project (TLP), signifying the project’s ...
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MapReduce Algorithms – Understanding Data Joins Part II

It’s been awhile since I last posted, and like last time I took a big break, I was taking some classes on Coursera. This time it was Functional Programming Principals in Scala and ...
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Run your Hadoop MapReduce job on Amazon EMR

I have posted a while ago how to setup an EMR cluster by using CLI. In this post I will show how to setup the cluster by using the Java SDK for AWS. The best way to show how to do this ...
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Writing a Hadoop MapReduce task in Java

Although Hadoop Framework itself is created with Java the MapReduce jobs can be written in many different languages. In this post I show how to create a MapReduce job in Java based ...
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MapReduce Algorithms – Understanding Data Joins Part 1

In this post we continue with our series of implementing the algorithms found in the Data-Intensive Text Processing with MapReduce book, this time discussing data joins. While we are ...
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What is Big Data – Theory to Implementation

What is Big Data? You may ask; and more importantly why it is the latest trend in nearly every business domain? Is it just a hype or its here to stay? As a matter of fact “Big Data” ...
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MapReduce Algorithms – Secondary Sorting

We continue with our series on implementing MapReduce algorithms found in Data-Intensive Text Processing with MapReduce book. Other posts in this series:Working Through Data-Intensive ...
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