“Design of the Red Envelope System” In the seckill system, a very common one is to grab red envelopes, and there are other such as: Double 11 snap-up, live broadcast instant kill orders, one yuan to win treasures, etc. Among them, the feature of grabbing red envelopes is that they cannot be oversold. For placing an order, if it is slightly oversold than the inventory, it is actually acceptable. But for red envelopes, once the user grabs more money than sent out, it will be a big problem. . Of course, rush buying also has specific business complexity. For example, after placing an order, the user may not pay, and the inventory needs to be added back after the timeout. We are mainly discussing the red envelope system here…
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