客户端配置

http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;#	
######################################################	
    keepalive_timeout  65;
	keepalive_timeout 65; #超过这个时间没有活动，会让keepalive失效
	keepalive_time 1h; #一个tcp连接总时长，超过之后，强制失效
	send_timeout 60;#默认60s，此处有坑，系统中若有耗时操作，超过send_timeout强制断开连接
					#是准备过程中，不是传输过程
	keepalive_requests 1000;#一个tcp复用中，可以并发接收的请求个数
######################################################
    #gzip  on;
	upstream httpd_get {
			ip_hash;
			server 192.168.44.102;
			server 192.168.44.103;
			server 192.168.44.104;
		}
    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
			#正则方式
			rewrite ^/[0-9].html$ /index.jsp?pageNum=$1 break; 
			proxy_pass http://httpd_get;  #proxy_pass配置下 root 不生效
        }
		location ~*/(css|js|) { 
            root   html;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}

上游服务配置

http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;#	
#################客户端###############################	
    keepalive_timeout  65;
	keepalive_timeout 65; #超过这个时间没有活动，会让keepalive失效
	keepalive_time 1h; #一个tcp连接总时长，超过之后，强制失效
	send_timeout 60;#默认60s，此处有坑，系统中若有耗时操作，超过send_timeout强制断开连接
					#是准备过程中，不是传输过程
	keepalive_requests 1000;#一个tcp复用中，可以并发接收的请求个数
#################客户端#####################################
    #gzip  on;
	upstream httpd_get {
#################上游服务###############################	
			keepalive 100;  #上游服务器保证的连接数
			keepalive_requests 1000;
			keepalive_timeout 65;
#################上游服务###############################	
			server 192.168.44.102;
			server 192.168.44.103;
			server 192.168.44.104;
		}
    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
#################上游服务###############################	
			proxy_http_version 1.1;
			proxy_set_header Connection "";
#################上游服务###############################	
			proxy_pass http://httpd_get;  #proxy_pass配置下 root 不生效
        }
		location ~*/(css|js|) { 
            root   html;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}