(I have a workaround for this problem, but it\'s not the first time I\'ve been bitten, so I\'m trying to understand exactly what\'s going on.)
目录缓存淘汰策略标题LRU原理标题Redis缓存淘汰策略设置最大缓存淘汰策略Redis事务Redis事务介绍MULTIEXECDISCARDWATCHRedis 不支持事务回滚（为什么呢）Redis乐观锁Redis乐观锁实现秒杀缓存淘汰策略
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