Since this is only a basic tutorial series, Carlo mentions that he’ll hit that up later. So, if you know Java and want to play around with Hadoop, here is an excellent place to begin.

Introduction Ever wanted to code your own MapReduce application using Java and run it on Hortonworks Sandbox? This tutorial helps you to do just that :) This tutorial takes up a sample scenario - Poll ...

This will be the Reducer Class. ```java package com.vivekGanesan; import java.io.IOException; import java.util.Iterator; import org.apache.hadoop.io.IntWritable; import org.apache.hadoop.io.Text; ...

Hadoop one of popular framework is used for computation of Big Data. Hadoop with its associated technologies and techniques provides a arrangement for data storage in a distributed file system and ...

To many, Big Data goes hand-in-hand with Hadoop + MapReduce. But MPP (Massively Parallel Processing) and data warehouse appliances are Big Data technologies too. The MapReduce and MPP worlds have ...

Google's patent on MapReduce could potentially pose a problem for those using third-party open source implementations. Patent #7,650,331, which was granted to Google on Tuesday, defines a system ...

MapReduce has recently gained great popularity as a programming model for processing and analyzing massive data sets and is extensively used by academia and industry. Several implementations of the ...