Workload and Performance
30 AS/400e System Handbook
This chart shows the CPW available for server workloads as the interactive workload
increases. On the left side of the chart, the scale runs from 0 to 100%, which represents the
amount of Processor CPW available for server workloads (non 5250-type workload). On the
right side of the chart, a similar scale reflects the amount of Interactive CPW used by
Interactive workloads (5250 based). Each of the dotted lines dissecting the rectangle
represents various levels of Interactive CPW that can be purchased when ordering an
interactive feature for 270 and 8xx servers. Interactive features are not available on the 250.
At any point, the amount of CPW used to perform interactive workloads reduces the CPW
available for server workloads by an equal and proportionate amount. For example, for a
system with a processor CPW of 810 and an interactive feature CPW of 240, it is possible to
use up to 240 CPW for an interactive workload and still have 570 CPW available for the
non-interactive workload. On the other hand, if none of the AS/400e is used for interactive
workloads, all of the Processor CPW is available to perform server workloads. No tuning or
management is required.
For best performance, all critical system resources should be kept in balance by proper
configuration. This includes processors (quantity and speed), number of disk arms, amount of
memory, and more.
AS/400e Dedicated Server for Domino Positioning
AS/400e capabilities to support Lotus Domino are firmly established since the announcement
of Lotus Domino for AS/400 in January 1998. In mid-1999, IBM and Lotus delivered a first in
the industry—the AS/400e Dedicated Server for Domino. The AS/400e system’s reliability,
robust subsystem architecture, and ease of operations provide a sound base to develop and
deploy Domino solutions.
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