HP-UX 11i Tuning and Performance

Chapter 2. Performance Management Tasks

Performance Management is a job function and a process that may be performed by the System Administrator, or by a person whose job is to monitor system performance. Performance Management is a process that starts when the computer purchaser considers what system to buy, and it continues throughout the life of that system. Unfortunately, the role of performance management is sometimes left until a performance crisis occurs, as in the following example.

From Bob's Consulting Log— We were called in to a situation where performance was so bad that users and management were complaining loudly. However, the problem had existed for several months, and no one had bothered to collect any performance data, so it ...