利用nginx+tomcat+memcached组建web服务器负载均衡(3)

    gzip_disable     "MSIE [1-6]\.(?!.*SV1)";
 
    proxy_connect_timeout 300;
    proxy_send_timeout 300;
    proxy_read_timeout 300;
    proxy_buffer_size 16k;
    proxy_buffers 4 32k;
 
    proxy_set_header X-Forwarded-For $remote_addr;
    proxy_set_header Connection Close;
    server_names_hash_max_size 1024;
    server_names_hash_bucket_size 1024;
 
    # Default cache parameters for use by virtual hosts
    # Set the cache path to tmpfs mounted disk, and the zone name
    # Set the maximum size of the on disk cache to less than the tmpfs file system size
    proxy_cache_path  ./cache  levels=1:2  keys_zone=pscms:100m max_size=800m;
    proxy_temp_path   ./proxy;
 
    #配置后端服务器信息
    upstream web_server {
        #ip_hash;
        server localhost:8080 max_fails=3  fail_timeout=30s;
        server localhost:8180 max_fails=3  fail_timeout=30s;
    }
 
    server {
        listen   8888; ## listen for ipv4
        #listen   [::]:80 default ipv6only=on; ## listen for ipv6
        server_name  localhost;
 
        charset utf-8;
        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/host.access.log  main;
        #access_log off;
 
        location ~ .*\.(jsp|action)?$ {
            proxy_set_header Host $http_host;
            proxy_redirect     off;
            proxy_pass         http://web_server;