List/Grid Tag Archives: Apache Hadoop

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Ganglia configuration for a small Hadoop cluster and some troubleshooting

Ganglia is an open-source, scalable and distributed monitoring system for large clusters. It collects, aggregates and provides time-series views of tens of machine-related metrics such ...
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Hadoop Books Giveaway – Roundup

Fellow geeks, Our giveaway of Packt Publishing’s books on Apache Hadoop has ended. You may find the original post for the competition here. The Prize Winners The 6 lucky winners that ...
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Spring meets Apache Hadoop

SpringSource has just announced the first GA release of Spring for Apache Hadoop. The goal of this project is to simplify the development of Hadoop based applications. You may download ...
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Hadoop Hangover: Launch a hadoop cluster CDH4 using Apache Whirr

This post is about how-to launch a CDH4 MRv1 or CDH4 Yarn cluster on EC2 instances. It’s said that you can launch a cluster with the help of Whirr and in a matter of 5 minutes! ...
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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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MapReduce Algorithms – Order Inversion

This post is another segment in the series presenting MapReduce algorithms as found in the Data-Intensive Text Processing with MapReduce book. Previous installments are Local Aggregation, ...
apache-hadoop-mapreduce-logo

Calculating A Co-Occurrence Matrix with Hadoop

This post continues with our series of implementing the MapReduce algorithms found in the Data-Intensive Text Processing with MapReduce book. This time we will be creating a word co-occurrence ...
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Hadoop Single Node Set Up

With this post I am hoping to share the procedure to set up Apache Hadoop in single node. Hadoop is used in dealing with Big Data sets where deployment is happening on low-cost commodity ...
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Hadoop + Amazon EC2 – An updated tutorial

There is an old tutorial placed at Hadoop’s wiki page: http://wiki.apache.org/hadoop/AmazonEC2, but recently I had to follow this tutorial and I noticed that it doesn’t ...
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Testing Hadoop Programs with MRUnit

 This post will take a slight detour from implementing the patterns found in Data-Intensive Processing with MapReduce to discuss something equally important, testing. I was inspired ...
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