Hadoop is a framework of open-source tools, libraries, and methodologies for “big data” analysis. Hadoop is a software framework for storage and large scale processing of data-sets on clusters of commodity hardware. In this video, Doug Eadline defines big data and introduces the core components of Hadoop including Hadoop Distriuted File Systems (HDFS) and MapReduce. This video is an excerpt from Hadoop Fundamentals LiveLessons (Video Training)
, which provides more than 4 hours of expert video instruction including: Hadoop background and concepts, running Hadoop on a desktop or laptop, the Hadoop distributed file system, Hadoop MapReduce, Hadoop examples, higher level tools, setting up Hadoop in the cloud, and setting up Hadoop on a local cluster.