The Cluster Assignment Report for the randomly selected sample indicates how well the clusters represent the resource vectors in the sample. The report also provides an analysis of the resources that are consumed by the clusters. A sample Cluster Assignment Report for the randomly selected sample is shown in Figure 11-27. The resources detailed in this report are specified on the Workload Characterization screen (see Figure 11-18). This report demonstrates the potential benefits of job classes that you developed using the clusters. For example, consider cluster 7. This cluster represents approximately 59% of all the jobs processed by the system. These jobs use less than 10% of the resources consumed by all jobs that execute on the system. By exploiting the characteristics of cluster 7, you could establish a job class and an initiator structure that would isolate jobs in this cluster. By prioritizing the initiators which process these jobs, you can guarantee excellent service to more than half of the jobs while minimally impacting resources on the system as a whole.
RESOURCE CONSUMPTION BY CLUSTER -- RANDOMLY SELECTED SAMPLE TOTAL OBSERVATIONS : 2000 OBS WITHIN RADIUS : 1892 MARGINAL ASSIGNMENTS: 108 5.4% CLUS WITHIN MARGIN JOBTCBTM JOBEDASD INITMIN JOBNLR ---- ------ ------ ---------- ---------- ---------- ---------- 1 145 0 0:11:19 188270 321.142 461175 7.25% 2.04% 3.15% 2.12% 9.91% 2 163 0 0:08:51 184617 1329.24 46110 8.15% 1.59% 3.09% 8.78% 0.99% 3 25 43 5:55:41 2646216 5432.45 157324 3.40% 64.09% 44.26% 35.86% 3.38% 4 51 5 0:25:14 356752 1644.46 27583 2.80% 4.55% 5.97% 10.86% 0.59% 5 156 0 0:35:38 212340 848.633 27388 7.80% 6.42% 3.55% 5.60% 0.59% 6 52 6 0:07:58 182933 1081.27 43144 2.90% 1.43% 3.06% 7.14% 0.93% 7 1172 0 0:22:04 390123 1383.77 298355 58.60% 3.97% 6.52% 9.14% 6.41% 8 52 2 0:09:56 146459 208.562 417324 2.70% 1.79% 2.45% 1.38% 8.97% 9 20 0 0:02:03 54634 176.678 110967 1.00% 0.37% 0.91% 1.17% 2.38% 10 30 51 1:01:05 1221149 1433.75 3037632 4.05% 11.01% 20.42% 9.47% 65.26% 11 26 1 0:15:13 395459 1287.72 27829 1.35% 2.74% 6.61% 8.50% 0.60% **TOTALS** 9:15:02 5978952 15147.7 4654831
Figure 11-27. Random Sample Cluster Assignment Report
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