How big is Amazon's cloud? It's huge, and getting huger. Amazon Web Services said this week that its S3 cloud storage service housed 262 billion objects at year-end of 2010, more than doubling in size from 102 billion objects at the close of 2009. The peak request rate for S3 is now in excess of 200,000 requests per second, according to Amazon's Jeff Barr.
An analysis of new virtual server instances launched each day on Amazon's EC2 cloud computing service, shows a similar growth curve, with activity more than doubling between 2009 and 2010. Check out this chart from the analysis by Cloudkick and Guy Rosen (Jack of All Clouds):