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Find out where your service breaks

Load-test until it falls over, then explain exactly why it fell over.

intermediateJavaScript~20h

Why it matters

'How many users can it handle?' is a normal question with an embarrassing number of shrugged answers. Having an actual number, and the reason, is memorable.

What you build

  • A realistic load profile, not a flat hammer
  • The breaking point identified
  • The bottleneck diagnosed with evidence
  • A documented capacity figure

If you want more

  • Add a soak test for memory leaks
  • Automate a regression threshold in CI

Build it 5 steps

  • Fix the top bottleneck and re-measure
  • Write down the capacity figure and its assumptions

Material for the whole build

Shows you can answer capacity questions with measurements instead of guesses.

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