This document describes how to estimate hardware resources that are necessary to run a particular workload on a BW System, providing guidelines for the definition of hardware requirements like main memory, disk space and CPU. Generally, it is much more difficult to estimate the sizing requirements of a BW system than an R/3 system. The reason is that user behavior is more difficult to project than with the R/3 system, as BW provides great flexibility in order to meet the varied reporting needs of an organization. With this in mind, the goal of this document is to present general guidelines that can help in determining hardware requirements for a BW system. It is always encouraged to work directly with hardware vendors to receive further assistance in sizing a BW system.

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