Load Testing · Junior · Question 62 of 75
Why can results from two runs differ even with the same script?
- 1Load tools randomly change the number of users each run
- 2Caches, other traffic, GC and infrastructure add natural variance
- 3Because the script is compiled differently each time
Show the answer
Correct answer: Caches, other traffic, GC and infrastructure add natural variance
Explanation
Performance is noisy. Run tests more than once, use the same data and environment, and compare trends instead of single numbers.