基于nginx的负载均衡和集群

#user  nobody;worker_processes  1;#error_log  logs/error.log;#error_log  logs/error.log  notice;#error_log  logs/error.log  info;#pid        logs/nginx.pid;events {    worker_connections  1024;}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;    #gzip  on;    #负载平衡从这开始    upstream  localhost   {                 server   127.0.0.1:81;                 server   127.0.0.1:82;       }       server {        listen       80;        server_name  www.aqqla.com;        charset gbk;        #access_log  logs/host.access.log  main;        location / {            root   html;            index  index.html index.htm index.php;      #  负载指向            proxy_pass        http://localhost;               proxy_set_header  X-Real-IP  $remote_addr;               client_max_body_size  100m;            proxy_redirect default;                  }        #error_page  404              /404.html;        # redirect server error pages to the static page /50x.html        #        error_page   500 502 503 504  /50x.html;        location = /50x.html {            root   html;        }        # proxy the PHP scripts to Apache listening on 127.0.0.1:80        #        #location ~ \.php$ {        #    proxy_pass   http://127.0.0.1;        #}        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000        # 这里是php支持配置 可以注释掉        location ~ \.php$ {        #    root           html;             fastcgi_pass   127.0.0.1:9000;             fastcgi_index  index.php;             fastcgi_param  SCRIPT_FILENAME  d:\www\html$fastcgi_script_name;             include        fastcgi_params;        }        # deny access to .htaccess files, if Apache's document root        # concurs with nginx's one        #        #location ~ /\.ht {        #    deny  all;        #}    }    # another virtual host using mix of IP-, name-, and port-based configuration    #    #server {    #    listen       8000;    #    listen       somename:8080;    #    server_name  somename  alias  another.alias;    #    location / {    #        root   html;    #        index  index.html index.htm;    #    }    #}    # HTTPS server    #    #server {    #    listen       443;    #    server_name  localhost;    #    ssl                  on;    #    ssl_certificate      cert.pem;    #    ssl_certificate_key  cert.key;    #    ssl_session_timeout  5m;    #    ssl_protocols  SSLv2 SSLv3 TLSv1;    #    ssl_ciphers  ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;    #    ssl_prefer_server_ciphers   on;    #    location / {    #        root   html;    #        index  index.html index.htm;    #    }    #}}

?nginx开80? 做负载器

?apache开81? 82 做支点