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Google Presents Early Power Efficiency Techniques
MOUNTAIN VIEW, Calif. (2 April 2009) --Google is tight-lipped about its computing operations, but the company for the first time on Wednesday revealed the hardware at the core of its Internet might at a conference here about the increasingly prominent issue of data center efficiency.
Most companies buy servers from the likes of Dell, Hewlett-Packard, IBM, or Sun Microsystems. But Google, which has hundreds of thousands of servers and considers running them part of its core expertise, designs and builds its own. Ben Jai, who designed many of Google's servers, unveiled a modern Google server before the hungry eyes of a technically sophisticated audience.
Google's big surprise: each server has its own 12-volt battery to supply power if there's a problem with the main source of electricity. The company also revealed for the first time that since 2005, its data centers have been composed of standard shipping containers--each with 1,160 servers and a power consumption that can reach 250 kilowatts.
It may sound geeky, but a number of attendees--the kind of folks who run data centers packed with thousands of servers for a living--were surprised not only by Google's built-in battery approach, but by the fact that the company has kept it secret for years. Jai said in an interview that Google has been using the design since 2005 and now is in its sixth or seventh generation of design.
"It was our Manhattan Project," Jai said of the design."
Complete article at: http://news.cnet.com/8301-1001_3-10209580-92.html