Research Article

Evolutionary Multiobjective Query Workload Optimization of Cloud Data Warehouses

Table 1

Response time and monetary costs of TPC-H query 3 (QP1) with 6 different virtual resource configurations.

Virtual machine
configuration
Network
bandwidth
Response time (sec.) Price

1 × 2 Ghz CPU, 768 MB RAM 10 Mbps 57.0 0.048
1 × 2 Ghz CPU, 768 MB RAM 100 Mbps 16.5 0.055
1 × 2 Ghz CPU, 768 MB RAM 300 Mbps 15.7 0.140
4 × 2 Ghz CPU,
8 GB RAM
10 Mbps 58.2 0.404
4 × 2 Ghz CPU,
8 GB RAM
100 Mbps 13.5 0.128
4 × 2 Ghz CPU,
8 GB RAM
300 Mbps 13.1 0.197