When Nasdaq halted trading this week, once again demonstrated how global companies are a thank you to who created

"Data is the new oil," said Clive Humby, a Sheffield mathematician who, with his wife, Edwina Dunn, Tesco ? 90m to help your customer card system. Although he said that in 2006, the idea that there is much money to be made - and lost - by marshaling or neglect of "big data" attention has only begun at the dawn of business men

The accident knocked out the Nasdaq trading system was just an example, last week, Amazon, Google and Apple have all experienced service failures that affected its customers, lost sales or inconvenienced . They lost millions on the Amazon main site was offline for almost an hour, estimates suggest dollars in sales. When Google is disconnected for four minutes this month, the missed opportunity to display ads on the search could cost is $ 500,000.

Michael Palmer, the Association of National Advertisers, expanded Humby quote: "The facts are the same oil is valuable, but so gross that it can not be used should really be turned into gas .. plastics, chemicals, etc. to create a valuable entity governing profitable, so the data should be broken down, analyzed have a value "

for Amazon and Google in particular, the ability to process and store large amounts of data is critical to your success. But when things go wrong - which is inevitable - the effects can be dramatic. And the biggest problem might be that the data is "dirty", which contains false or misleading entries can corrupt files and launch systems in freefall. This can make the kind of "software problem" that caused the fall of the Nasdaq - or lead to lock servers and a domino effect of overload

"Whenever I meet people that I wonder about the quality of data," said Duncan Ross, director of scientific Teradata data, which provides data storage systems for customers such Wal-Mart, Tesco and Apple. "When I say that the quality is very good, I guess I have not really looked."

This is because companies use systems increasingly rely on external data, whether by governments or private companies, which can not be assumed to be reliable. Ross said: "It is always dirty"

And that puts companies to thank you data at high pressure tides occasionally. Inject the wrong piece of data and trouble continues. In April, when the automatic reading a tweet from the Associated Press Twitter feed, said the White House had been bombed and injured Barack Obama, who has sold shares faster than the blink of an eye, sending the Dow EE. States. 143 points a few seconds. However, data were dirty: AP Twitter was hacked

"If you think something like phones or phone calls about three or four years, and the last was the iPhone 3GS and BlackBerry have been very popular. OF useless for analysis. The only area where they are stored data for a period of time is the implementation of the regulation. "

However, the amount of short-term data being processed is triggered. Twitter has recently rewritten backend system complete database, it would not be able to cope with 500 piles, each as long as a text message, which happens every day otherwise. (In comparison, the four mobile networks in the UK and handle about 250 million text messages a day, a figure that drops people change services like Twitter.)

Raffi Krikorian, vice-president of "engineering platform" Twitter - who is responsible for maintaining the ship in operation and whale away - admits the 2010 World Cup was a dramatic lesson when goals, penalties and free kicks are watched by a global audience chewed system and quail.


a major rewrite of its back-end systems over the past three years means that you can now "stand" that exposure events in Japan a new movie called The Castle in the Sky, which set a record number of 143,199 tweets to generate the second on August 2 at 15:21 CEST. "The number of teams involved in the service of the site was reduced from five to 12 times," he says proudly. Better yet, Twitter has been available for about 99.9999% over the past six months, although Japanese peak.
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