An Elastic Shared-Nothing Architecture

In this post we will consider again the implications of implementing a shared-nothing architecture in the cloud. That is, we will start wondering about how to extend a static shared-nothing cluster deployed into an elastic hardware environment. This is the first of three posts inspired by a series of conversations with the folks at Bityota (Bityota.com). After…

Thoughts on Oracle 12c…

  Here are some quick thoughts on Oracle 12c…   First, I appreciate the tone of the announcements. They were sober and smart.   I love the pluggable database stuff. It fits into the trends I have discussed here and here. Instead of consolidating virtual machines on multi-core processors and incurring the overhead of virtual operating…

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…