A group of free and open-source software tools is called Apache Hadoop. They enable the use of a vast computer network to efficiently tackle problems involving enormous volumes of data. It offers a software architecture for distributed computing and storage. It divides a file into the specified number of blocks and spreads them among a group of computers. By repeating the blocks on the cluster, Hadoop also achieves fault tolerance. Learn Hadoop Training In Chennai at FITA Academy with the help of experts in big data and with career guidance.