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  • nginx-http之upstream(七)

    语法

    描述

    // 默认顺序轮询
    upstream api_server_upstream {
          server 203.18.225.19:80;
          server 203.18.225.19:81;
          server 203.18.225.20:80;
    }
    
    // 权重
    upstream api_server_upstream {
          server 203.18.225.19:80 weight 1;
          server 203.18.225.19:81 weight 2;
          server 203.18.225.20:80 weight 1;
    }
    
    // ip_hash
    upstream api_server_upstream {
          ip_hash;
          server 203.18.225.19:80;
          server 203.18.225.19:81;
          server 203.18.225.20:80;
    }
    
    // url指定服务器
    upstream api_server_upstream {
          server 203.18.225.19:80;
          server 203.18.225.19:81;
          server 203.18.225.20:80;
          hash $request_uri;
          hash_method crc32;
    }
    
    // 设备状态 down/backup
    upstream api_server_upstream {
          ip_hash;
          server 203.18.225.19:80 down; // 服务器暂时不参与负载
          server 203.18.225.19:81;  
          server 203.18.225.20:80 backup; // 当其他过于繁忙时,参与负载
    }
    
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  • 原文地址:https://www.cnblogs.com/pengsn/p/13710210.html
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