Big data is data sets that are so big and complex that traditional data-processing application software are inadequate to deal with them. Big data challenges include capturing data , data storage , data analysis , search, sharing , transfer , visualization , querying, updating, information privacy and data source. There are a number of concepts associated with big data: originally there were 3 concepts volume , variety , velocity . Other concepts later attributed with big data are veracity (i.e., how much noise is in the data) and value.