The CA MICS Capacity Planner enables analysts to create a capacity planning database that is derived from, but independent of, the CA MICS database. This database satisfies the long-term historical requirements for forecasting workloads and resource utilization without retaining unnecessary data. The most fundamental technique employed by capacity planners is the analysis of historical data describing workload resource consumption, system service levels, and system component utilizations. Although the CA MICS database contains a wealth of these data elements, the collection of such an historical series from multiple cycles of the CA MICS database (while operationally trivial) requires significant CPU resources. Moreover, it may be infeasible to retain a significant number of cycles of the DETAIL, DAYS, WEEKS, and/or MONTHS timespans for capacity planning because of the DASD space required. To minimize these resource requirements, the concept of a specialized capacity planning database was developed. We supply interactive screens with the CA MICS Capacity Planner that allow you to define any number of capacity planning files within the capacity planning database. These files contain the various data elements that the capacity planner finds useful and has selected and/or computed from a variety of files in the CA MICS database. These files are then used as input to Presentation Graphics, Profile and Trending Analysis, Simple Regression Analysis, Univariate Model Forecasting, Capacity Planning Worksheet, Multivariate Regression Forecasting, and Business Element Forecasting facilities of the CA MICS Capacity Planner. These facilities are discussed in Chapters 4 through 10. The following sections describe the operation and reporting facilities of the CA MICS Capacity Planner Products's database system.
This section contains the following topics:
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