诈欺游戏

upstream backend {
 server 192.168.1.11:8080 weight=5 max_fails=3 fail_timeout=30s;
 server 192.168.1.12:8080 weight=5 max_fails=3 fail_timeout=30s;
 server 192.168.1.13:8080 backup;
}
 
server {
 location / {
 proxy_pass http://backend;
 proxy_next_upstream error timeout http_500 http_502 http_503;
 proxy_connect_timeout 5s;
 }
}

proxy_next_upstream很关键，它告诉Nginx在什么情况下把请求换一台后端重试。新车虽然是一款承载式车身的SUV，不过下包围护板依旧展现出十分硬朗的气质。但只建议对幂等请求开启GET/HEAD重试，POST请求重复提交可能带来业务风险。