The term Big Data is a buzzword now-a-days which has no any specific format and defies traditional storage systems. The data can be structured, semi-structured or unstructured and generated faster than ever using Big Data Analytic. For example, information post over social media, video upload in YouTube etc. Machine generated data like data recorded from sensor and logs are also becoming part of big data having more magnitude then human generated data.
To process and analyze big data, Apache Hadoop is a very popular framework. Product companies across the globe started using Hadoop to understand their customers' sentiments based on the data gathered using various channels like social media, blogs etc and eventually decision making based on analysis report.