AFM203 Chapter Notes - Chapter 9: Big Data, Apache Hadoop, Software Framework

• School: University of Waterloo
• Department: Accounting & Financial Management
• Course: AFM203
• Professor: Bruce Wolff

Document Summary

Volume: 2. 5 exabytes of data created every day in 2012, doubling every 40 months, companies collect petabytes of data every hour from customer transactions. Velocity: real-time information makes it possible for a company to be more agile than its competitors, rapid insights to estimate sales by using location data. Variety: messages, updates, images, readings from sensors, gps, etc, huge amounts of data are from social networks, declining costs of elements of computing mean data intensive approaches are becoming more. Smartphones and mobile devices provide data related to people, activities and locations economical. Large amounts of digital information exist on any topic of interest to a business: mobile phones, online shopping, social networks, electronic communication, gps, etc. If a plane lands before ground staff is ready, passengers and crews are trapped. Sophisticated analysis and pattern matching: eliminated gap between estimated and actual arrival times. Inexpensive commodity servers whose activities are coordinated by an emerging software framework called hadoop.