Google Question - What Are Www2.Google.Com And Www3.Google.Com|
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Subjects > Computers (Search) > Internet (Search for Internet) > Search Engine News (Search for Engine News) > Search Engine News Google (Search for Search Engine News Google)
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Q. What is www2.google.com or www3.google.com?
A. Google has several data centers around the world composed of atleast 10,000 individual personal computers. When Google updates it's index (copies the index throughout the system), there is a "staging area" for the new index on www2.google.com and www3.google.com. You can watch the new index migrate from www2 or www3 to the standard www.google.com.
This process of migration, usually takes 2-4 days and will appear to fluctuate between the three wwwX.google.coms.
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