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distributedlock

分布式锁

1.使用redis实现分布式锁

获取锁使用jedis.set(key,value,"NX","EX",timeOut); 避免使用jedis.setnx(lockKey, identifier)和jedis.expire(lockKey, lockExpire)导致的非原子操作,释放锁使用的是lua代码实现原子性

2.使用zookeeper实现分布式锁

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两种方式实现分布式锁

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