Hard Design: E-Commerce System (Amazon)

What happens if the inventory reservation succeeds but the database write for the order record fails?

— Tests your understanding of this concept.

Answer Options

A Inventory is permanently lost

B Saga compensating transaction releases the reservation; user sees failure and can retry

C Automatically retry order write indefinitely

D Inventory stays reserved forever

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This question is from the Design: E-Commerce System (Amazon) topic (System Design Cases).

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