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  1. Proceedings of the 13th International Workshop on Data Management on New Hardware (DAMON '17)
  2. A PetriNet mechanism for OLAP in NUMA
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A methodology for OLTP micro-architectural analysis
An analysis of memory power consumption in database systems
Profiling a GPU database implementation: a holistic view of GPU resource utilization on TPC-H queries
Scaling column imprints using advanced vectorization
Deadlock-free joins in DB-mesh, an asynchronous systolic array accelerator
Big data causing big (TLB) problems: taming random memory accesses on the GPU
A PetriNet mechanism for OLAP in NUMA
Faster across the PCIe bus: a GPU library for lightweight decompression: including support for patched compression schemes
An analysis of LSM caching in NVRAM
SiliconDB: rethinking DBMSs for modern heterogeneous co-processor environments

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A PetriNet mechanism for OLAP in NUMA

Content Provider ACM Digital Library
Author Meira, Jorge Augusto Dominico, Simone de Almeida, Eduardo Cunha
Abstract In the parallel execution of queries in Non-Uniform Memory Access (NUMA), the operating system maps database processes/threads (i.e., workers) to the available cores across the NUMA nodes. However, this mapping results in poor cache activity with many minor page faults and slower query response time when workers and data are allocated in different NUMA nodes. The system needs to move large volumes of data around the NUMA nodes to catch up with the running workers. Our hypothesis is that we mitigate the data movement to boost cache hits and response time if we only hand out to the system the local optimum number of cores instead of all the available ones. In this paper we present a PetriNet mechanism that represents the load of the database workers for dynamically computing and allocating the local optimum number of CPU cores to tackle such load. Preliminary results show that data movement diminishes with the local optimum number of CPU cores.
Starting Page 1
Ending Page 4
Page Count 4
File Format PDF
ISBN 9781450350259
DOI 10.1145/3076113.3076121
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2017-05-14
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Abstract model Olap Multi-core cpus Numa
Content Type Text
Resource Type Article
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