3月2日凌晨，豆瓣旗下自营文创平台豆瓣市集（豆瓣豆品）因优惠券系统设置错误，出现“满200减200”的异常优惠，引发全网“薅羊毛”热潮，平台商品库存被大量清空。此次漏洞源于平台妇女节促销活动设置失误，原计划推出“满200减20”优惠，却被错配为“满200减200”优惠券。用户下单满200元即可全额减免，仅需支付10元运费，部分订单实付金额低至17元，即可购得原价247元的商品组合。
An additional constraint is that Hatchet is designed to be fast; it takes less than an average of 25ms (and in the optimistic case, as fast as 9ms) for a task to be sent to the engine and start running on a worker. This rules out a set of candidate options. Object stores are much too slow, and many hosted databases can be tricky to work with because networked disks have restrictive IOPS. NVMe disks are a great fit, and we already run most of our hosted infrastructure on NVMe-backed Postgres already!
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