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Monday, February 16, 2015

How Google Works

Fact and not



The magic that makes Google tick
  • Over four billion Web pages, each an average of 10KB, all fully indexed
  • Up to 2,000 PCs in a cluster
  • Over 30 clusters
  • 104 interface languages including Klingon and Tagalog
  • One petabyte of data in a cluster - so much that hard disk error rates of 10-15 begin to be a real issue
  • Sustained transfer rates of 2Gbps in a cluster
  • An expectation that two machines will fail every day in each of the larger clusters
  • No complete system failure since February 2000
Stanford University: The Anatomy of a Large-Scale Hypertextual Web Search Engine  

Sergey Brin and Lawrence Page Google.com:
How Google Works
 
How Stuff/Google Works

The Economist: Case History
 
Or
 

It's all done with pigeons


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