Big data refers to the large and complex set of data that are difficult to process using traditional processing systems. Stock exchanges like NYSE and BSE generates Terabytes of data every day. Social media sites like Facebook generates data that are approximately 500 times bigger than stock exchanges. Hadoop is an open source project by Apache used for storage and processing of large volume of unstructured data in a distributed environment. Hadoop can scale up from single server to thousands of servers. Hadoop framework is used by large giants like Amazon, IBM, New York Times, Google, Facebook, Yahoo and the list is growing every day. Due to the larger investments companies make for Big Data the need for Hadoop Developers and Data Scientists who can analyse the data increases day by day. Big Data Analytics Training in Vellore and Gudiyatham at Learnage will provide an in-depth knowledge on Big Data Analytics.