storm基础系列之二----zookeeper的作用
https://www.cnblogs.com/xyang/p/5643745.html
https://www.jianshu.com/p/a1a926fba030
JStorm 源码解析:supervisor 的启动和运行机制
https://www.zhenchao.org/2018/11/19/storm/storm-supervisor/