Elements of Performance
Performance is the way a computer system behaves given a particular workload. Performance is measured through the system's response time, throughput, and availability. It is affected by
The resources available
How well the resources are utilized
Performance tuning should be undertaken when you want to improve the cost-benefit ratio of your system. Specific situations include the following:
You want to process a larger, more demanding workload without increasing processing costs that may include having to acquire additional hardware.
You want to obtain faster system response time or higher throughput without increasing processing costs.
You want to reduce processing costs without negatively affecting service to the client(s). ...
Get DB2® Universal Database™ for OS/390™ v7.1 Application Certification Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
