Big Data means a huge number of data or big information. The collection of this huge amount of data with the help of traditional computing tequenic called Hadoop. It is an open-source framework that can be easily used by anyone. Data is nothing but the big amount of data hence to store and process these data Hadoop is used. Simply Hadoop is a sequence for handling big data. Exltech is one of the best big data training institutes in Pune providing all practical knowledge about the concept of big data Hadoop.