Demo: computing checkout's real availability from its dependencies
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
calculate a realistic availability number for checkout.
Draft outline details
Step by step
- Draw the dependency graph, hard versus soft dependencies.
- Collect measured availability of each hard dependency.
- Multiply the serial hard dependencies and note the cap.
- Planned mistake: multiply nines for every dependency including optional ones; fix by marking recommendations as soft with a fallback.
- Show how a cache fallback for the FulfillCo stock check raises the total, and by how much.
Prepares SRB-005-LAB1.
Practice
Apply this lesson with the module's lab, exercises and quiz.
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