Nginx核心知识100讲

proxy_http_version 1.1; # 1.0 不支持长链接, 所以重置下, 为1.1
proxy_set_header Connection "";

upstream rrups {
    server 127.0.0.1:8011 weight=2 max_conns=2 max_fails=2 fail_timeout=5;
    server 127.0.0.1:8012;
    keepalive 32;
}

server {
    server_name rrups.liuhonghe.me;
    error_log myerror.log info;

    location /{
        proxy_pass http://rrups;
        proxy_http_version 1.1;
        proxy_set_header Connection "";
    }
}

log_format  varups  ‘$upstream_addr $upstream_connect_time $upstream_header_time $upstream_response_time ‘
                        ‘$upstream_response_length $upstream_bytes_received ‘
                        ‘$upstream_status $upstream_http_server $upstream_cache_status‘;

upstream iphashups {
    #ip_hash;
    # curl -H ‘X-Forwarded-for: 192.168.1.100 iphash.liuhonghe.me?username=abcdefg‘
    hash user_$arg_username; # 使用特定字符串作为hash, 除非username更改, 否则不会更改
    server 127.0.0.1:8011 weight=2 max_conns=2 max_fails=2 fail_timeout=5; # 使用ip_hash 后权重不生效
    server 127.0.0.1:8012 weight=1;
}

server {
    set_real_ip_from  116.62.160.193;
    real_ip_recursive on;
    real_ip_header X-Forwarded-For;
    server_name iphash.liuhonghe.me;
    error_log myerror.log info;
    access_log logs/upstream_access.log varups;

    location /{
        proxy_pass http://iphashups;
        proxy_http_version 1.1;
            proxy_set_header Connection "";
    }
}