The promise of solid state disks: increasing efficiency and reducing cost of DBMS processing

Authors:
Karsten Schmidt;Yi Ou;Theo Härder
Affiliations:
University of Kaiserslautern, Kaiserslautern, Germany;University of Kaiserslautern, Kaiserslautern, Germany;University of Kaiserslautern, Kaiserslautern, Germany
Venue:
C3S2E '09 Proceedings of the 2nd Canadian Conference on Computer Science and Software Engineering
Year:
2009

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Abstract

Most database systems (DBMSs) today are operating on servers equipped with magnetic disks. In our contribution, we want to motivate the use of two emerging and striking technologies, namely native XML DBMSs (XDBMSs for short) and solid state disks. In this context, the traditional read/write model optimized by a sophisticated cache hierarchy and the IO cost model for databases needs adjustment. Such new devices together with optimized storage mapping of XML documents provide a number of challenging characteristics. We discuss howtheir optimization potential ca be exploited to enhance transactional DB performance under reduced energy consumption to match increasing application demands and, at the same time, to guarantee economic energy use in data centers.