A Survey – Big Data Using Hadoop its Challeges, Tools and Techniques

Big Data' is an technique and technology to detain, store, allocate, manage and analyze huge datasets. it I. INTRODUCTION has high velocity and dissimilar structures. Big data mean the datasets that could not be apparent, acquired, managed, and processed by traditional IT and software/hardware tools within a allowable time. The analysis of data becomes difficult because of the targeted threats are increased and also high growth in data. If the database is very enormous the it will be very multifarious.An example of big data may be Exabyte s(1024 terabytes) of data consisting of trillions of records of millions of people from different sources such as websites, social media, mobile data, eb servers, online transactions and so on [2].