Load Testing · Middle · Question 22 of 76
A test sent 200 requests and reports p99.9. How reliable is that value?
- 1Very reliable, because p99.9 needs only a few samples
- 2Not reliable: with 200 samples p99.9 is basically the maximum
- 3Reliable, as long as all 200 requests succeeded
Show the answer
Correct answer: Not reliable: with 200 samples p99.9 is basically the maximum
Explanation
p99.9 means 1 in 1000. You need thousands of samples for the high percentiles to mean something.