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Google’s x1000 processing power; 1000 machines find search results for a Google Query

Jeff Dean’s keynote at WSDM 2009 gave several examples of how Google has grown from 1999 to 2009. He says:  “They now have x1000 number of queries, x1000 processing power (# machines * speed of the machines), and they went from query latency normally under 1000ms to normally under 200ms.

Google now detects many web page changes nearly immediately, computes an approximation of the static rank of that page, and rolls out an index update. Their performance gains are also impressive, now serving pages in under 200ms.”

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