QSpiders - Introduction to Performance Testing
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This document discusses performance testing of applications. It defines performance testing and describes different types of performance testing tools that can be used for testing applications from the client or server side. It emphasizes the importance of performance testing to ensure applications can handle expected user loads and transactions and provide positive user experiences. Key goals of performance testing are to test response times, speed, resource usage, stability, and throughput under different loads. Examples are provided of how performance issues negatively impacted major companies through lost revenue and customers.
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- 7. Performance failure = Lost revenue Amazon Inc US website was down for about 2 hours Impact : Amazon Shares fell 4.59 percent Australia's JetStar airline website crashed as too many users went online to take advantage of holiday promotions. Internet Business News: July 27,2006 Yahoo News : Fri Jun 6, 2008 4:50 PM ET
- 8. Security flaw breached rules on confidentiality and data protection, and forced system downtime, undermining campaign to win citizen confidence in online filing. In May 2002, 10 months after its launch, the Inland Revenue's self-assessment online tax returns service suffered a major security breach Failed to cope with expected surge in activity, resulting in forced downtime and extensive loss of revenue. On 17 June 2002, the online betting site suffered an embarrassing outage two days before the England versus Brazil World Cup game. The site was only offline for a day, but it resulted in extensive revenue loss, and the loss of customers to other betting sites during what was arguably the biggest betting event in a dozen years.
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