The ‘World Wide Web’ witnessed a dramatic transformation in late 90’s and early 20’s. Search engines were created to empower users locate accurate data amid text – based content. Those days’ search results were returned by the users. But, as web developed it grew from dozen to about million pages and so did the need for automation. Web crawlers emerged, many university – led project and new entrants in the search engine such as AltaVista and Yahoo took off. Today, data volumes are continuously increasing, majorly from social media as well as IoT. They are a major consideration. Hadoop solves the problem by increasing the computing power. The distributed computing model assured by Hadoop now processes big data faster. So the more computing nodes a user uses the more processing capacity he or she has.
