Peak Power Plays in Database Engines

Provided by: Association for Computing Machinery
Topic: Data Management
Format: PDF
Database engines often consume significant power during query processing activities, motivating researchers to investigate the redesign of their internals to minimize these overheads. While the prior paper has dealt exclusively with average power considerations, the authors' focus here is on peak power consumption. They begin by profiling the peak power behavior of a representative suite of popular commercial database engines in benchmark query processing environments, and demonstrate that their consumption can often be substantial. Then, they develop a pipeline-based model of query execution plans that lends itself to accurately estimating peak power consumption, suggesting its gainful employment in server design and capacity planning.

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