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. 2021 Dec 17;11:24138. doi: 10.1038/s41598-021-03019-y

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Framework of Mapreduce in Hadoop. It consists of map as well as reduce operations. The map stage obtains the various inputs and spilt and shuffled it. During this reduction stage, all reduce tasks procedure the input in-between data with a decrease function and create output data. Figure illustrates the block diagram of MapReduce.