ZooKeeper 分布式锁
时间: 2023-10-13 13:04:48 浏览: 41
ZooKeeper是一种分布式协调服务,可以用于实现分布式锁。ZooKeeper通过创建临时节点来实现分布式锁的原理。首先,ZooKeeper节点路径是唯一的,这保证了锁的唯一性。其次,使用临时节点可以实现事件通知,当一个客户端释放了该锁,其他客户端会收到通知。当一个客户端获取锁时,它会在ZooKeeper上创建一个临时节点,表示它持有锁。如果该客户端宕机或断开连接,ZooKeeper会自动删除对应的临时节点,确保锁的有效性。这样就实现了分布式锁的功能。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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