FP-ABC: Fast and Parallel ABC Based Energy-Efficiency Live VM Allocation Policy in Data Centers

Table 1

Characteristics of the workload data (CPU utilization rate).

Date	The number of VMs	Mean	Standard deviation	Quartile 1	Median	Quartile 3
03/03/2011	1052	12.31%	17.09%	2%	6%	15%
06/03/2011	898	11.44%	16.83%	2%	5%	13%
09/03/2011	1061	10.70%	15.57%	2%	4%	13%
22/03/2011	1516	9.26%	12.78%	2%	5%	12%
25/03/2011	1078	10.56%	14.14%	2%	6%	14%
03/04/2011	1463	12.39%	16.55%	2%	6%	17%
09/04/2011	1358	11.12%	15.09%	2%	6%	15%
11/04/2011	1233	11.56%	15.07%	2%	6%	16%
12/04/2011	1054	11.54%	15.15%	2%	6%	16%
20/04/2011	1033	10.43%	15.21%	2%	4%	12%