November 2004
Intermediate to advanced
64 pages
1h 55m
English
book
zSeries Application Assist Processor (zAAP) Implementation
by Paul Rogers, Luiz Fadel, Fernando Ferreira
Content preview from zSeries Application Assist Processor (zAAP) Implementation
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Chapter 4. Performance considerations 43
used to full capacity (each logical processor is using 49.71% of a processor). If you compute
the weights for this pool you will see that each partition is getting 10/60 of system capacity. In
other words, each partition is getting approximately the capacity of one processor.
It is important to see the way LPAR manager is managing the available processor capacity
between partitions. Keep this in mind when configuring your partitions including zAAPs.
4.4 Capacity planning
There is a tool available to help you understand the potential for exploiting zAAPs and
estimate the possible savings.
In order to use this tool, you should have a prototype or application code running on the
zSeries processor which ca ...
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