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What is Big Data?
Why Big Data? Today, An Application without data analytics is like a car without a steering wheel. It will go, but there’s no controlling its direction. Data Management has become extremely complex in recent years, because day by day data is growing exponentially and it is biggest challenge for IT industry to store and analyze those data. One-third of organizations experiencing increase of 25 percent or more annually. Healthcare is one of the fastest growing segments and growing at 48 percentage yearly compared to 40 percent of overall digital universe. Data which fulfill three criteria is call “Big Data”: Volume: How much data Variety: The various types of data Velocity: How fast data is processed Volume: Big data implies enormous volumes of data (petabytes of data), it is the most immediate challenge of big data. It is used to be employees created data, now that data is generated by human, network and machines interaction on systems like social media. It requ...
Getting Started with Big Data
What is Big Data? Big data refers to huge data sets that are orders of magnitude larger (volume); more diverse, including structured, semistructured, and unstructured data (varity); and arriving faster (velocity) than you or your organization has had to deal with before. This flood of data is generated by connected devices - from PCs and smart phones to sensors such as RFID readers and traffic cams. Plus, its' heterogeneous and comes in many formats, including text, document, image, video, and more. More: http://www.intel.com/content/dam/www/public/us/en/documents/guides/getting-started-with-hadoop-planning-guide.pdf