The name "Big Data" comes from The Third Wave written by futurist toffler. Although the word "big data" has not been highly concerned by people until recently, as early as 1980, the famous futurist toffler enthusiastically praised "big data" as "the colorful movement of the third wave" in his book "The Third Wave". In September 2008, Nature published a cover column entitled "Big Data". Since 2009, "big data" has become a hot word in the Internet technology industry.
1. Definition of big data:
Big data, also known as huge data, refers to the huge amount of data involved, which cannot be captured, managed, processed and arranged by the human brain or even mainstream software tools in a reasonable time to help enterprises make more active business decisions.
2. Collection of big data:
With the development of science and technology and the Internet, the era of big data is coming, and all walks of life will produce a large number of data fragments every day. Data measurement units have developed from bytes, KB, MB, GB and TB to PB, EB, ZB, YB and even BB, NB and DB. Data collection in the era of big data is no longer a technical problem, but how to find its internal laws in the face of so much data.
3. The characteristics of big data:
There are a lot of data, many kinds of data, strong real-time requirements and great value contained in the data. There are big data in all walks of life, but a lot of information and consultation are complex, which requires us to search, process, analyze, summarize and summarize its deep-seated laws.