Sizing And Configuration; Sizing Your Hardware And Resources; Understanding Concurrent Users And User Population - Oracle Oracle9i Application Manual

This chapter provides guidelines for sizing and configuration which can help you
meet performance goals. It also discusses performance factors, such as memory
consumption, I/O issues, and network and software constraints.
Contents

Sizing your Hardware and Resources

In addition to the minimum installation recommendations, your hardware
resources need to be adequate for the requirements of your specific applications. To
avoid hardware-related performance bottlenecks, each hardware component should
operate at no more than 80% of capacity. See
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Processor and memory resources in particular should be allocated generously, for
the maximum user load expected.

Understanding Concurrent Users and User Population

The amount of hardware resources required varies based on the application. A
common mistake is to use resource estimates that do not incorporate user think time
and network latencies. In sizing applications, you must have some idea of the
Sizing your Hardware and Resources
Understanding Concurrent Users and User Population
Determining CPU Requirements
Determining Memory Requirements
on page 2-2 for information on measuring CPU utilization.

Sizing and Configuration

"Using the sar Utility (AIX, HP-UX,
Sizing and Configuration 3-1
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