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nginx多个域名使用同一个upstream问题 #1880

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huangyonghome opened this issue Oct 30, 2023 · 1 comment

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huangyonghome commented Oct 30, 2023

nginx的多个域名配置了同一个upstream(比如k8s-server).当其中一个域名的后端应用出现问题,访问出现大量502的时候.Nginx会将这个upstream的后端服务置为异常(猜测).导致其他域名访问也出现502.

我们生产环境经常遇到某个应用502.引发很多其他正常使用的域名也出现502.

请问大家有遇到这个问题吗?

huangyonghome assigned chobits

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drawing commented Oct 30, 2023

502 的原因是什么呢，如果是建联失败等系统性问题，跟域名无关，upstream 相关联的请求都会报错

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