This project forked from qiurunze123/zookeeperdesign
⭐⭐⭐zk的设计与使用（集群，dubbo，分布式锁，master选举，负载均衡，watch，权限等）
ＱＱ:3341386488 邮箱：[email protected]
我会不断完善，希望大家有好的想法拉一个分支提高，一起合作！
觉得不错对您有帮助，麻烦右上角点下star以示鼓励！长期维护不易 多次想放弃 坚持是一种信仰 专注是一种态度！
1.针对每一个节点的操作，都会有一个监督者 -- watcher
2.当监控的某个对象znode发生变化时，则会出发watcher事件
3.zk中的watcher是一次性的，触发后立刻销毁，通过之后客户端也可以配置不是一次性的,我们不需要一次又一次的重新设置
② 父节点和子节点，增删改都能够触发其watcher
根据不同的类型的操作触发的watcher事件是不同的 1.(子)节点创建事件 2.（子）节点删除事件 3.（子）节点数据变化事件 会有专门的事件名称，知道这些名称客户端才能够进行下一步操作
wantcher的命令行学习
通过get path [watch]设置watcher 父节点 增删改 操作触发 watcher 子节点 增删改 操作触发 watcher
watcher的事件类型
创建父节点： nodecreateed
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