Update README.md

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Li Qiang
2019-09-06 14:45:33 +08:00
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- MySQL slave 重放 relay log 中事件,将数据变更反映它自己的数据
#### canal 工作原理
![](http://dl.iteye.com/upload/attachment/0080/3107/c87b67ba-394c-3086-9577-9db05be04c95.jpg)
![](https://github.com/bucketli/simpletools/blob/master/main_func.png?raw=true)
- canal 模拟 MySQL slave 的交互协议,伪装自己为 MySQL slave ,向 MySQL master 发送dump 协议