Evolutionary Multiobjective Query Workload Optimization of Cloud Data Warehouses

Table 4

Virtual machine prices.

Symbol	Virtual; machine; configuration	Price
XS	1 GHz CPU, 768 MB RAM	$0.02/hr
S	1.6 GHz CPU, 1.75 GB RAM	$0.06/hr
M	2 × 1.6 GHz CPU, 3.5 GB RAM	$0.12/hr
L	4 × 1.6 GHz CPU, 7 GB RAM	$0.24/hr
XL	8 × 1.6 GHz CPU, 14 GB RAM	$0.48/hr
A6	4 × 1.6 GHz CPU, 28 GB RAM	$0.82/hr
A7	8 × 1.6 GHz CPU, 56 GB RAM	$1.64/hr