Cloud Computing and Data Warehousing: Part 4 – IMDB Data Warehouse in a Cloud

In the previous blogs on this topic (Part 1, Part 2, Part 3) I suggested that: Shared-nothing is required for an EDW, An EDW is not usually under-utilized, There are difficulties in re-distributing sharded, shared-nothing data to provide elasticity, and A SAN cannot provide the same IO bandwidth per server as JBOD… nor hit the…