Chapter 2 – Testing Throughout the SDLC
Capacity Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
Performance testing to determine how many users or transactions a system can handle while still meeting performance goals.
In simple words
Find the maximum load at which response times still meet targets.
Exam tip
Capacity testing answers ‘how big can we get before we need more hardware?’
Related terms
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