J2EE application performance QA and tuning (2)

http://www.onjava.com/pub/a/onjava/2001/02/22/optimization.html Performance planning for managers: Include budget for performance management. Create internal performance experts. Set performance requirements in the specifications. Include a performance focus in the analysis. Require performance predictions from the design. Create a performance test environment. Test a simulation or skeleton system for validation. Integrate performance logging into the application layer boundaries. Performance Read more…

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J2EE application performance QA and tuning (1)

To start J2EE application performance QA and tuning: Set a goal: Before you begin tuning your J2EE application’s performance, set a goal. Often this goal addresses the maximum concurrent users the application will support for a given limit on response times. But the goal can also focus on other variables—for example, the response times should Read more…

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How can it be determined if a test environment is appropriate?

This is a difficult question in that it typically involves tradeoffs between ‘better’ test environments and cost. The ultimate situation would be a collection of test environments that mimic exactly all possible hardware, software, network, data, and usage characteristics of the expected live environments in which the software will be used. For many software applications, Read more…

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