Advanced – Non-Functional Testing
Soak Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A type of performance testing conducted to evaluate a component or system with a significant load extended over a significant period of time.
In simple words
Run heavy but normal load for hours or days to reveal memory leaks and slow degradation.
Exam tip
Same idea as endurance testing — soak is the common industry term.
Related terms
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