Abstract: Big Data is a new area for researchers and it supports various application domains i.e. Medical, Finance, Sales & Marketing, Education etc. Big Data deals with the processing of large data volume. There are different challenges which are associated with the data processing i.e. storage of large scale data, memory management, energy consumption, job scheduling, process management and security etc. There is need to explore each issue and its possible solutions. Researchers have already developed some solution for Big Data processing and in this paper, we will explore them.
Keywords: Hadoop, Big Data, Energy Consumption, HDFS, MapReduce.