Data is the new science and it powers everything that we do. Big Data is a phrase that describes the huge collection of structured, unstructured and semi-structured data. It is a mixture of new hardware and algorithms that allow us to ascertain new sequence of structure in large volume of data sets. These structures can used to make effective predictions and, eventually, better resolutions which bring huge benefits to the business organization. Today, organizations are bringing Big Data in such assorted fields, like healthcare, smart cities, education, IOT, banking, marketing, finance and etc. Big data analytics is crucial to work and grow Internet of Things. Big data is combined with IOT for making real-time decisions, such as predicting the behaviour of a gene, suspicious activities of banking transactions, controlling the traffic signals and so on. Big Data has the tremendous power to progress lives with enhanced services and goods, but obstacles remain between Big Data`s commitment and realism. This paper presents an overview of big data and its significance, applications, Technical elements, issues and challenges and review on it.

Bigdata, Architecture,Characteristics,Tools, Issues, Challenges, Applications

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