The Concept Of Hadoop
Firstly, hadoop is built on the concept of HDFS or hadoop distributed File System that takes care of the storage concern while MapReduce provides the processing system. HDFIC ensures that data remains local while MapReduce processes them which reduces the data shuffling significantly and hence, makes Big data hadoop training in bangalore a fast, desirable system for tackling huge data chunks. In MapReduce phase, the data which is parsed into arrays and keys is fed into the Map function you will write to analyse the data. It is the core of Hadoop.
