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Abstract
Nowadays, companies are concentrating on more data to take informed decisions. Huge amount of investment is made in storing and processing large amounts of data to make better decisions. The term ‘Big Data’ is derived from the fact that the datasets are so large that typical database systems are not able to store and analyze the datasets (Manyika et al., 2011). The processing of big data is done by using MapReduce. However, big data entails a huge commitment of hardware and processing resources, making adoption costs of big data technology prohibitive to small and medium-sized businesses. Cloud computing offers hardware and processing resources for big data implementation. This paper describes benefits and applications of big data in various industry verticals, popular big data tools available in the market and their capabilities. Some of the areas like banking, travel and healthcare where big data finds application have been discussed.
Description
Enormity of the data and its interpretation for drawing business benefits is one of the
challenges being faced by the enterprises of the day. This problem is only going to get
worse by the day. In this context, to deal with big data, the technologies have acquired
importance these days. Big data are datasets that are so large that they become
awkward to work with using currently available tools. In the present generation of
digital universe, huge amount of data is added to Internet daily. There is a lot of
requirement to analyze this data for constructing a knowledge-based society. For
extracting better knowledge, there is always a need for much bigger amount of data.
Companies such as Google, Facebook and Linkedin are dealing with bulk of data.
This huge amount of data is called big data. Roger Magoulas from O’Reilly media
introduced the term ‘Big Data’ in 2005. According to Gartner, big data is defined as
follows:
Big data is high-volume, high-velocity and high-variety information asset that
demands cost-effective and innovative forms of information processing for
enhanced insight and decision making.
Big data implementation requires a large infrastructure support for which companies
need to concentrate on establishing computing model that require large centralized data center to store and process huge amount of information. Revolution in memory
technology and evolution of multi-core processors have made big data implementation
possible in large enterprises. In-memory analytics has brought significant changes in
the implementation of querying data by loading data from multiple sources directly
into system memory instead of physical disk. This paper presents an overview of big
data analysis and its role in today’s IT industry.
Keywords
Information Technology Journal, Big data, MapReduce, Apache Hadoop.