Really big data at Wal-Mart: Real-time insights from their 40-plus petabyte data cloud
Wal-Mart — the world's biggest retailer with more than 20,000 stores in 28 countries — is in the process of building the world' biggest private cloud, to process 2.5 petabytes of data every hour. To make sense of all of this information and put it to work solving problems, the company has created what it calls its Data Café — a state-of-the-art analytics hub located within its Bentonville, Arkansas headquarters.
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