nginx upstream 模块 负载均衡

https://blog.csdn.net/qq_41453285/article/details/106335358

https://blog.csdn.net/genglei1022/article/details/5844712?utm_medium=distribute.pc_relevant.none-task-blog-baidujs_title-11&spm=1001.2101.3001.4242

https://blog.csdn.net/genglei1022/article/details/5844712?utm_medium=distribute.pc_relevant.none-task-blog-baidujs_title-11&spm=1001.2101.3001.4242

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原文地址：https://www.cnblogs.com/zhrngM/p/14216171.html