Table 9
Robustness test results (each of the three sets of workloads is replicated five times and calculate average values).
| Parameter | Original results | 3 times workload | 5 times workload | 1/3 of DC resources | 1/5 of DC resources | 1/3 of RES availability | 1/5 of RES availability |
|---|---|---|---|---|---|---|---|
| Energy consumption/kW h | 3800 | 12,160 | 20,900 | 4015 | 4569 | 3987 | 4235 |
| Energy cost/$ | 243 | 802 | 1361 | 257 | 278 | 285 | 302 |
| The RES utilization | 87.4% | 82.2% | 79.3% | 85.2% | 83.6% | 28.6% | 15.8% |
| Carbon emission/kg | 210.2 | 735.7 | 1196.2 | 218.9 | 225.6 | 689 | 1287 |
| Response time/ms | 12.6 | 13.5 | 14.6 | 16.2 | 20.5 | 13.6 | 14.2 |
| Task failure rate | 1.25% | 2.14% | 3.21% | 4.8% | 6.9% | 1.27% | 1.29% |
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