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When reducing the number of hot mode virtual machines, hot mode virtual machines are switched to cold mode. In this paper, it will choose a solution with greater decrement in energy consumption. Table 2 shows the measured power consumption of loaded servers in the experiment. The data analysis result shows that servers with more cold mode switch from hot mode to cold mode will reduce less energy consumption. In contrast, physical machines with fewer cold mode switch from hot mode to cold mode will reduce greater energy consumption. Therefore, when reducing the number of hot mode virtual machines, to ensure as few energy consumption as possible, physical machines are set to sleep as the number of cold mode exceeds the number on a physical machine. Therefore, the optimal solution is to reduce hot mode on physical machines with more cold mode, so that it will reduce the number of migrated virtual machines while the physical machines are sleep. |
IEEE/ICACT20210156 Slide.07
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