Demo: checking last year's capacity plan against reality
On This Lesson 3 topics
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In this lesson
learn from the gap between plan and actual.
Draft outline details
Step by step
- Collect last year's plan and actual usage from monitoring.
- Compare each number: forecast, peak RPS, storage, CPU.
- Planned mistake: blame the forecast. Fix: separate forecast error from model error; requests per order was underestimated, not orders.
- Update the assumptions and the burst factor.
- Add a trigger that would have caught the drift.
- Record the lesson in the plan template.
Practice
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