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04/25/2005

Yan Huang - CSCI5330 Database Implementation – Parallel Database

Shared Nothing

Examples: Teradata, Tandem, Oracle-n CUBE

Data accessed from local disks (and local memory accesses)  do not pass through interconnection network, thereby minimizing the interference of resource sharing.

Shared-nothing multiprocessors can be scaled up to thousands of processors without interference.

Main drawback: cost of communication and non-local disk access; sending data involves software interaction at both ends.

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