Facebook Now Has 30,000 Servers

Found this super-interesting article at one of my favorite websites, Data Center Knowledge: Facebook Now Has 30,000 Servers

Some of the interesting points are:

• 30,000 servers
• Added 20,000 servers in 18 months
• Stores 80 billion images (20 billion but 4 sizes per image)
• 600,000 photos served per second
• 25TB log data generated daily
• 230 engineers

You can view the CNS 2009 Lecture series webcast where Jeff Rothschild (facebook.com/jeff of course), VP of Technology @ Facebook, presented this information and some more tidbits at the post High Scalability: High performance at massive levels – lessons learned at Facebook discussing this presentation.

I’m glad I only have 400 servers.

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