stream {
    log_format proxy '$remote_addr [$time_local] '
                     '$protocol $status $bytes_sent $bytes_received '
                     '$session_time "$upstream_addr" '
                     '"$upstream_bytes_sent" "$upstream_bytes_received" "$upstream_connect_time"';

    access_log logs/tcp-access.log proxy ;

    
    server {
        listen 9001;
        proxy_pass 10.17.10.2:5236;
        proxy_socket_keepalive on;
        proxy_connect_timeout 5s;  # 与被代理服务器建立连接的超时时间为5s
        proxy_timeout 10s;   # 获取被代理服务器的响应最大超时时间为10s
        proxy_next_upstream on;  # 当被代理的服务器返回错误或超时时，将未返回响应的客户端连接请求传递给upstream中的下一个服务器
        proxy_next_upstream_tries 3;   # 转发尝试请求最多3次
        proxy_next_upstream_timeout 10s;    # 总尝试超时时间为10s  
    }
    
}