Big Data | Simple Basic Explaination about Hadoop - HDFS (Hadoop Distributed File System)
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DFS stands for the distributed file system, it is a concept of storing the file in multiple nodes in a distributed manner. DFS actually provides the Abstraction for a single large system whose storage is equal to the sum of storage of other nodes in a cluster
MapReduce is a programming paradigm that enables massive scalability across hundreds or thousands of servers in a Hadoop cluster.