Performance Testing

System performance is generally assessed in terms of response time and throughput rates under differing processing and configuration conditions. To attack the performance problems, there are several questions should be asked first:

How much application logic should be remotely executed?

How much updating should be done to the database server over the network from the client workstation?

How much data should be sent to each in each transaction?

According to Hamilton [10], the performance problems are most often the result of the client or server being configured inappropriately.

The best strategy for improving client-sever performance is a three-step process [11]. First, execute controlled performance tests that collect the data about volume, stress, and loading tests. Second, analyze the collected data. Third, examine and tune the database queries and, if necessary, provide temporary data storage on the client while the application is executing.

Recommended Resources
• Testing Interview Questions - http://www.coolinterview.com/type.asp
• Testing Tools Interview Questions - http://www.coolinterview.com/type.asp
• What is Software Testing?- http://en.wikipedia.org/wiki/Software_testing
• Software QA & Testing Resource Center- http://www.softwareqatest.com/
• Testing Faqs- http://www.testingfaqs.org/

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