Monthly Archives: November 2011

Similarity Based Recommendation – Hadoop Way

In my earlier post, I discussed some of the basic  concepts for Similarity Based Recommendation. As discussed, distance between entities in a multi dimensional attributes space is used as a measure of similarity. In this post I will take a … Continue reading

Posted in Data Mining, Hadoop and Map Reduce, Java, Recommendation Engine | Tagged , | 9 Comments

Simple Hadoop Performance Model

I was motivated to write this post after reading  The Mathematics behind Hadoop Based System.  When you want to improve the performance of your Hadoop application, there are many options to tweak the system. The questions is where to focus … Continue reading

Posted in Map Reduce, Performance | Tagged , | 6 Comments