mytrip writes "In a blog posting on Friday the company shared some detail about the challenges of one aspect of its search operation, the Web indexing and processing that must take place before the results are delivered to users. The short version: Google has no choice but to think big.
"This graph of one trillion URLs is similar to a map made up of one trillion intersections. So multiple times every day, we do the computational equivalent of fully exploring every intersection of every road in the United States. Except it'd be a map about 50,000 times as big as the U.S., with 50,000 times as many roads and intersections," the engineers said." Link to Original Source
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