redis 分部式锁

参考

https://www.cnblogs.com/rgcLOVEyaya/p/RGC_LOVE_YAYA_1003days.html

https://blog.csdn.net/Seraphimon/article/details/84944693

https://blog.csdn.net/wutengfei_java/article/details/100699538

https://blog.csdn.net/wutengfei_java/article/details/100699538

nodejs  redlock实现库 redlock https://www.npmjs.com/package/redlock