List/Grid Tag Archives: MapReduce

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Couchbase 101: Create views (MapReduce) from your Java application

When you are developing a new applications with Couchbase 2.0, you sometimes need to create view dynamically from your code. For example you may need this when you are installing your ...
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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, ...
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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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MapReduce: Working Through Data-Intensive Text Processing – Local Aggregation Part II

This post continues with the series on implementing algorithms found in the Data Intensive Processing with MapReduce book. Part one can be found here. In the previous post, we discussed ...
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MapReduce: Working Through Data-Intensive Text Processing

It has been a while since I last posted, as I’ve been busy with some of the classes offered by Coursera. There are some very interesting offerings and is worth a look. Some time ago, ...
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Processing 10 million messages with Akka

Akka Actors promise concurrency. What better way to simulate that and see if how much time it takes to process 10 million messages using commodity hardware and software without any ...
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MapReduce Questions and Answers Part 2

4 Inverting Indexing for Text Retrieval The chapter contains a lot of details about integer numbers encoding and compression. Since these topics are not directly about MapReduce, ...
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MapReduce Questions and Answers Part 1

With all the hype and buzz surrounding NoSQL, I decided to have a look at it. I quickly found that there is not one NoSQL I could learn. Rather, there are various different solutions ...
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MapReduce for dummies

Continuing the coverage on Hadoop component, we will go through the MapReduce component. MapReduce is a concept that has been programming model of LISP. But before we jump into MapReduce, ...
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Joins with Map Reduce

I have been reading on Join implementations available for Hadoop for past few days. In this post I recap some techniques I learnt during the process. The joins can be done at both Map ...
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