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Advances, Systems and Applications

Table 4 Experimental parameters

From: Integrated resource management pipeline for dynamic resource-effective cloud data center

RMP phase Algorithm Parameters Definition Values
Underload THR n last CPU utilization values to be averaged n=2
detection   THRunderload underload CPU utilization threshold THRoverload=0.5
Overload THR n last CPU utilization values to be averaged n=2
detection   THRoverload overload CPU utilization threshold THRoverload=0.8,0.9,1.0
  LRR n last CPU utilization values to be averaged n=2
   α safety parameter α=0.9,1.0,1.1
  DES n last CPU utilization values to be averaged n=2
   N Input samples N=30
   K Forecast sample K=1
  SHW n last CPU utilization values to be averaged n=2
   N Input samples N=30
   K Forecast sample K=1
VM MMTMC n last CPU utilization values to be averaged n=2
selection MMTMC 1 n last CPU utilization values to be averaged n=2
  MMTMC 2 n last CPU utilization values to be averaged n=2
   uinitial The initial threshold value uinitial=3
   λ The rate of growth λ is an empirical value
VM Modified best fit THRPlacement CPU threshold from total server’s capacity THRPlacement=80%
placement Medium-fit (MF) THRPlacement CPU threshold from total server’s capacity THRPlacement=80%