Big data (big data), refers to a collection of data that cannot be captured, managed and processed within a certain timeframe with conventional software tools, is a massive, high-growth rate and diversified information asset that requires a new processing model to have stronger decision-making, insight discovery and process optimization capabilities. Big Data's 5V characteristics (IBM proposed): Volume (large amount), Velocity (high speed), Variety (variety), Value (low value density), Veracity (authenticity), the platform hashadoop