Thursday, November 23, 2006

OMG, power hungry Google needs nuke plant

The Information Factories
The desktop is dead. Welcome to the Internet cloud, where massive facilities across the globe will store all the data you'll ever use.
George Gilder on the dawning of the petabyte age
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Although the evergreen mazes, mountain majesties, and always-on skiing surely play a role, two amenities in particular make this the perfect site for a next-gen data center. One is a fiber-optic hub linked to Harbour Pointe, Washington, the coastal landing base of PC-1, a fiber-optic artery built to handle 640 Gbps that connects Asia to the US. A glassy extension cord snakes through all the town's major buildings, tapping into the greater Internet though NoaNet, a node of the experimental Internet2. The other attraction is The Dalles Dam and its 1.8‑gigawatt power station. The half-mile-long dam is a crucial source of cheap electrical power – once essential to aluminum smelting, now a strategic resource in the next phase in the digital revolution. Indeed, Google and other Silicon Valley titans are looking to the Columbia River to supply ceaseless cycles of electricity at about a fifth of what they would cost in the San Francisco Bay Area. Why? To feed the ravenous appetite of a new breed of computer.

If it's necessary to waste memory and bandwidth to dominate the petascale era, gorging on energy is an inescapable cost of doing business. Ask.com operations VP Dayne Sampson estimates that the five leading search companies together have some 2 million servers, each shedding 300 watts of heat annually, a total of 600 megawatts. These are linked to hard drives that dissipate perhaps another gigawatt. Fifty percent again as much power is required to cool this searing heat, for a total of 2.4 gigawatts. With a third of the incoming power already lost to the grid's inefficiencies, and half of what's left lost to power supplies, transformers, and converters, the total of electricity consumed by major search engines in 2006 approaches 5 gigawatts.

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