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Ameen Abozaid
Planned lessonSRB-005-L06

Demo: shedding low-priority traffic during a flash sale

  • Lesson 6 of 7
  • Senior B
On This Lesson 3 topics

This lesson is planned. The outline below lists the topics it will cover. The full lesson has not been published yet.

In this lesson

protect checkout during a spike.

Draft outline details

Step by step

  1. Generate a flash-sale load test with browse, checkout, and crawler traffic.
  2. Observe checkout latency collapsing without limits.
  3. Add priority-based admission control with separate queues and concurrency limits.
  4. Planned mistake: shed by arrival order, dropping paying customers first; fix by classifying with an authenticated cart header and limiting anonymous traffic first.
  5. Re-run and compare checkout success rate.

Prepares SRB-005-LAB1.

Practice

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