🖼️00Read later0Read MoreHow an Eventually Consistent DynamoDB GSI Let Mobile Retries Create 1,400 Duplicate OrdersDEV Community: backend·Darshan Turakhia·13 days ago#fTSvJLRA#devtobackend#devto#dev#order_id#idempotencykey+4 more🧰Tag tools✨Add tagThe idempotency check looked airtight: query for the key, create the order if nothing comes back. Nobody had checked whether that query was reading the same data it was about to write. For 22 minutes during a cell network blip, it wasn15s
