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Building the Unstructured Data Warehouse: Architecture, Analysis, and Design by Krish Krishnan, W. H. Inmon

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The fundamental difference in the data warehouse appliance architecture is the “shared nothing” concept. Figure 10.1 shows the appliance architecture from a conceptual perspective. There are subtle differences and nuances to each appliance.

Figure 10.1 Appliance architecture (conceptual)

As seen in Figure 10.1, each node (or blade) of an appliance has its own set of CPUs, memory, IO channels, and storage. This self-contained unit is inter-connected by a switch called an “infini-band” switch. In a typical appliance, one node is designated as the “master” node. It will be responsible for coordination of workload management, ...

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