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…

Greenplum and Teradata: Simliar Architecture, Different Strategies

Hardware systems, servers and network fabric, provide the foundation upon which all shared-nothing database management systems rest. Hardware systems are a major contributor to the overall price/performance and total cost of ownership for a data warehouse platform. This blog considers the hardware strategies of EMC/Greenplum: applying the idea of using common, off-the-shelf (COTS) components to…