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On the Impact of Memory Allocation on High-Performance Query Processing
May 03, 2019 Β· Declared Dead Β· π International Workshop on Data Management on New Hardware
"No code URL or promise found in abstract"
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Authors
Dominik Durner, Viktor Leis, Thomas Neumann
arXiv ID
1905.01135
Category
cs.DB: Databases
Cross-listed
cs.PF
Citations
32
Venue
International Workshop on Data Management on New Hardware
Last Checked
6 months ago
Abstract
Somewhat surprisingly, the behavior of analytical query engines is crucially affected by the dynamic memory allocator used. Memory allocators highly influence performance, scalability, memory efficiency and memory fairness to other processes. In this work, we provide the first comprehensive experimental analysis on the impact of memory allocation for high-performance query engines. We test five state-of-the-art dynamic memory allocators and discuss their strengths and weaknesses within our DBMS. The right allocator can increase the performance of TPC-DS (SF 100) by 2.7x on a 4-socket Intel Xeon server.
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