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Re: What database does google use

  • Subject: Re: What database does google use
  • From: Roy Schestowitz <newsgroups@xxxxxxxxxxxxxxx>
  • Date: Thu, 03 Aug 2006 14:26:51 +0100
  • Newsgroups: alt.internet.search-engines
  • Organization: schestowitz.com / ISBE, Manchester University / ITS
  • References: <1154593942.949993.38640@s13g2000cwa.googlegroups.com> <sJGdnXisd8C5QEzZRVnyvg@pipex.net>
  • Reply-to: newsgroups@xxxxxxxxxxxxxxx
  • User-agent: KNode/0.7.2
__/ [ ato_zee@xxxxxxxxxxx ] on Thursday 03 August 2006 12:25 \__

> On  3-Aug-2006, "hon123456" <peterhon321@xxxxxxxxxxxx> wrote:
>> Dear all,
>>             Do you know what database google is using? Proprietary one
>> or something like Oracle?
>> Thanks
> In about 100 pages Bryn and Page, Googles creators explained how it works.
> I quote
> 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.
> Unquote.
> Of course the 100 million was in 1997.

According to an E-mail I received last night (I didn't apply or anything),
their requirements include "SQL experience a plus, MySQL a plusplus."

MySQL is (Free) Open Source.

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