BIG Data

How much data?

•Google processes 20 PB a day (2008)

•Wayback Machine has 3 PB + 100 TB/month (3/2009)

•Facebook has 2.5 PB of user data + 15 TB/day (4/2009)

•eBay has 6.5 PB of user data + 50 TB/day (5/2009)

•CERN’s Large Hydron Collider (LHC) generates 15 PB a year