In recent decades, a revolutionary change has taken place in the field of analytics technology because of big data. Data is being collected from a variety of sources, so technology has been developed to analyze this data in a distributed environment, even in real time.
Hadoop
The revolution started with the development of the Hadoop framework, which has two major components, namely, MapReduce programming and the HDFS file system.
MapReduce Programming
MapReduce is a programming style inspired by functional programming to deal with large amounts of data. ...