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. The
resources detailed in this report are specified on the
Workload Characterization screen (see Section 11.5).
A sample Cluster Assignment Report for the randomly selected
sample is shown in Figure 11-3. It lists the following
fields:
TOTAL The total number of resource vectors
OBSERVATIONS: summarized by the report.
OBS WITHIN The number of resource vectors that are
RADIUS: assigned within the radius of one of the
clusters. These observations are well
represented by the clusters.
MARGINAL The number and percent of resource vectors
ASSIGNMENTS: that are not within the radius of any of the
clusters. The marginal assignments should
represent no more than 5 to 7% of the
sample.
The columns of the report are the following:
CLUS: The cluster number.
WITHIN: The number of resource vectors assigned to
the cluster that are within the radius of
the cluster.
MARGIN: The number of resource vectors assigned to
the cluster that are outside of the
cluster's radius. A resource vector is
marginally assigned to a cluster when it is
farther away from the cluster's centroid
than the radius of the cluster.
The last four report columns are the resource names that are
specified on the Workload Characterization screen (see
Section 11.5). The fields are as follows:
JOBTCBTM: The total TCB CPU time consumed by the job
assigned to the cluster.
JOBEDASD: The total number of DASD EXCPs issued by
jobs assigned to the cluster.
INITMIN: The total number of initiator minutes
consumed by jobs assigned to the cluster.
JOBNLR: The total print lines generated by jobs
assigned to the cluster.
The second line for each cluster provides the percent of the
specified resource consumed by the cluster.
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 11-3. Resource Consumption by Cluster - Randomly Selected Sample
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