Zookeeper及HAProxy 了解学习1、Zookeeperhttps://www.cnblogs.com/felixzh/p/5869212.htmlhttps://segmentfault.com/a/1190000016349824https://blog.csdn.net/qiangcuo6087/article/details/790671362、HAproxyhttps://www.jianshu.com/p/c9f6d55288c0