The size of Google web search index

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Google usually doesn’t share much information about their capabilities, numbers or upcoming releases. This time they have shared the size of their search index in a blog post about a new service called Google Cloud Platform.

The size of Google web search index is 100 petabytes (info from July 24, 2012).

The other numbers they have shared are:

  • There are 425 million Gmail users .
  • Youtube infrastructure can serve 4 billion hours of video every month.

In other news it was reported that Google+ network had 250 million users in the beginning of July 2012.