https://blog.csdn.net/jdtugfcg/article/details/83834295
https://ningyu1.github.io/site/post/71-zookeeper-considerations/
https://blog.csdn.net/lzb348110175/article/details/97643514
https://blog.csdn.net/hanchao5272/article/details/92796465
原文：https://www.cnblogs.com/tonggc1668/p/12053657.html