태그: #concurrency
- When only one unit remains, which order gets it?
How to handle competing orders, failed payments, abandoned checkouts, and uncertain payment outcomes when reserving inventory.
- Why concurrent retries can deduct inventory twice for the same order
Concurrent retries of the same order attempt are not a button-disabling problem. How to separate identifying the attempt, confirming one order, deducting inventory once, and preventing duplicate downstream side effects.