Scalability

Question 1

What is Scalability testing?

Answer 1

Scalability Testing is the ability of a network, system or a process to continue to function well, when changes are done in size or volume of the system to meet growing need.

Question 2

What types of things increase when a system is scaled?

Answer 2

increase in user traffic, data volume, transaction counts frequency, et

Question 3

What types of components would you test for scalability.

Answer 3

Test the system, processes and databases ability to meet a growing need.

Question 4

Tell me a time when you’ve had to perform scalability testing?

Answer 4

Talk about server side issues with Ossur and query optimization, client side degradation on billing home (implement lazy load), eligibility page

Question 5

What is the purpose of scalability testing

Answer 5

to measure at what point the application stops scaling and identify the reason behind it.

Question 6

Why do scalability testing?

Answer 6

• Scalability testing lets you determine how your application scales with increasing workload.
• Determine the user limit for the system.
• Determine client-side degradation and end user experience under load.
• Determine server-side robustness and degradation.

Question 7

What things do you test in scalability testing?

Answer 7

• Response Time
• Screen transition
• Throughput
• Time (Session time, reboot time, printing time, transaction time, task execution time)
• Performance measurement with number of users
• Request per seconds, Transaction per seconds, Hits per second
• Performance measurement with number of users
• Network Usage
• CPU / Memory Usage
• Web Server ( request and response per seconds)
• Performance measurement under load