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redis 分布式锁的 5个坑，真是又大又深-程序员内点事
source link: https://blog.51cto.com/14787961/2489251
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引言最近项目上线的频率颇高，连着几天加班熬夜，身体有点吃不消精神也有些萎靡，无奈业务方催的紧，工期就在眼前只能硬着头皮上了。脑子浑浑噩噩的时候，写的就不能叫代码，可以直接叫做Bug。我就熬夜写了一个bug被骂惨了。由于是做商城业务，要频繁的对商品库存进行扣减，应用是集群部署，为避免并发造成库存超买超卖等问题，采用redis分布式锁加以控制。本以为给扣库存的代码加上锁lock.tryLock就万事大
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