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- What database does google use
August 3, 2006, 8:32 am
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Re: What database does google use
In about 100 pages Bryn and Page, Googles creators explained how it works.
Google's data structures are optimized so that a large document collection can be
crawled, indexed, and searched with little cost. Although, CPUs and bulk input output
rates have improved dramatically over the years, a disk seek still requires about 10
ms to complete. Google is designed to avoid disk seeks whenever possible, and this has
had a considerable influence on the design of the data structures.
So to answer your query proprietary.
Getting your head around how it works is another matter. Complex is putting it mildly.
In 1997 they wrote
A large-scale web search engine is a complex system and much remains to be done. Our
immediate goals are to improve search efficiency and to scale to approximately 100
million web pages.
Of course the 100 million was in 1997.