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Performance Metrics
QA Engineer
Performance Metrics questions
16 questions on Performance Metrics for qa engineers, easiest first.
Easy
7
What throughput measures
easy
Reading a p90 value
easy
Calculating an error rate
easy
Reading http_req_failed
easy
Lots of HTTP 429 responses
easy
What TPS stands for
easy
Why not report only the max
easy
Medium
6
What http_req_duration includes
medium
Time to first byte in k6
medium
Apdex from response counts
medium
Reporting the steady-state window
medium
Timing a multi-request step
medium
Counting out-of-stock responses
medium
Hard
3
Is 10% slower a real regression?
hard
Latency improved during an outage
hard
Mean plus two standard deviations
hard
