November 2001
Intermediate to advanced
158 pages
5h 10m
English
Content preview from IBM ESS and IBM DB2 UDB Working Together
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114 IBM ESS and IBM DB2 UDB Working Together
Figure A-5 Horizontal layout diagram
Measurements
Using a database of approximately 100 Gb in size, we measured the elapsed time it takes to
load data into the tablespaces. We also measured the elapsed time it takes to perform a set
of 22 queries. In addition elapsed time for tablescans were also measured. Iostat and vmstat
data were gathered for all tests. Tests were repeated to ensure variances in results were
minimal.
Results
Tests were performed with all three setups described previously (mixed-path, eight-paths, and
three Fibre connections). For each setup the variance between vertical and horizontal ...
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