Big data (big

Data), or huge amount of data, refers to the huge amount of data involved, which cannot be captured, managed, processed and sorted in a reasonable time by the current mainstream software tools to help enterprises make more active business decisions. (In "The Age of Big Data" written by Victor Meyer-Schoenberg and Kenneth Cookeye, big data refers to the method of using all data without the shortcut of random analysis (sampling survey)) [1]) The 4V characteristics of big data: quantity, speed, diversity and accuracy.