This is Part 1 of 10 Module Big Data and Hadoop course. The 3hr Interactive live class covers What is Big Data, What is Hadoop and Why Hadoop? You will understand How Hadoop solves the problem of Big Data with the existing Data Warehouse solutions based on traditional databases. You will also understand the details of Hadoop Architecture: the Hadoop Distributed File System ( HDFS) and MapReduce framework. The Tutorial covers in detail about Name Node, Data Nodes, Secondary Name Node. It goes into the details of concepts like Rack Awareness, Data Replication, Reading and Writing on HDFS.