Shared scans on main memory column stores
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Date
2012-07
Publication Type
Report
ETH Bibliography
yes
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Abstract
Column stores and shared scans have been found to be effective techniques in order to improve performance for many
workloads. Another recent hardware trend makes it possible to keep most data in main memory. This paper builds upon
these trends and explores how to implement shared scans on column stores in main memory efficiently. In particular, this
paper proposes new approaches to avoid unnecessary work and to best implement position lists in such a query processing archi tecture. Performance experiments with real workloads from the travel industry show the advantages of combining column stores and shared scans in main memory over traditional database architectures.
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published
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Volume
769
Pages / Article No.
Publisher
ETH Zurich, Department of Computer Science
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Software
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Organisational unit
03689 - Kossmann, Donald (ehemalig)
03506 - Alonso, Gustavo / Alonso, Gustavo
02150 - Dep. Informatik / Dep. of Computer Science