What factors impact the performance of software system?
What is performance?
Performance refers to the response time or throughput as seen by the users
What is response time?
Response time is the time required to respond to a request
What is throughput?
The number of requests that can be processed in some specified time interval
What is responsiveness?
Ability of a system to meet its objectives for response time or throughput.
Is responsiveness objective?
Responsiveness is objective and subjective from user perspective
What is scalability?
Ability of a system to continue to meet its response time or throughput objectives as the demand for functionality increases
What is most serious consequence of performance failure?
Business failure