在nginx接收到请求之后, 需把请求分发到后端WEB服务集群.

在这里需要记录分发日志, 来分析后端每台WEB服务器处理的请求数目.

Text代码 收藏代码
http {
log_format main
' $remote_user [$time_local] $http_x_Forwarded_for $remote_addr $request '
'$http_x_forwarded_for '
'$upstream_addr '
'ups_resp_time: $upstream_response_time '
'request_time: $request_time';

access_log logs/access.log main;

server{}
...
}
在日志显示的信息为:

Text代码 收藏代码

• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.15:8188 ups_resp_time: 0.010 request_time: 0.011
• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.16:8188 ups_resp_time: 0.006 request_time: 0.006
• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.15:8188 ups_resp_time: 0.013 request_time: 0.013
• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.17:8188 ups_resp_time: 0.003 request_time: 0.003
• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.18:8188 ups_resp_time: 0.004 request_time: 0.004
• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.15:8188 ups_resp_time: 0.012 request_time: 0.013
• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.18:8188 ups_resp_time: 0.005 request_time: 0.005
• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.16:8188 ups_resp_time: 0.011 request_time: 0.011
• [31/May/2013:00:01:03 -0700] - xxx.ip.addr.xxx GET /portal/index.html HTTP/1.1 - 192.168.100.15:8188 ups_resp_time: 0.447 request_time: 0.759
  全部配置文件nginx.conf. greatwqs@163.com Install on 2012-08-11 linux user devwqs; 2 intel(R) xeon(R) CPU

worker_processes 4;

worker_cpu_affinity 00000001 00000010 00000100 00001000; error_log logs/error.log; error_log logs/error.log notice;

error_log logs/error.log error;

pid logs/nginx.pid; allow openning file nums

worker_rlimit_nofile 25600;

events { linux 2.6 upper version.

use epoll;  worker_connections  51200;  

}

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"'  #                   '"$upstream_addr"' '"$upstream_response_time"';  log_format  main  ' $remote_user [$time_local]  $http_x_Forwarded_for $remote_addr  $request '                    '$http_x_forwarded_for '                    '$upstream_addr '                    'ups_resp_time: $upstream_response_time '                    'request_time: $request_time';  access_log  logs/access.log  main;  sendfile                     on;  # tcp_nopush                 on;  keepalive_requests           200;  keepalive_timeout            20;  gzip  on;                      client_body_buffer_size      128k;  client_body_timeout          60s;  client_max_body_size         10m;  # proxy_buffer_size          8k;  # proxy_busy_buffers_size    64k;  proxy_temp_file_write_size   64k;  # portal-cluster  upstream portal-cluster {      # http://192.168.100.15:8188/portal/      server 192.168.100.15:8188 weight=5 max_fails=5 fail_timeout=30s;      # http://192.168.100.16:8188/portal/      server 192.168.100.16:8188 weight=5 max_fails=5 fail_timeout=30s;      # http://192.168.100.17:8188/portal/      server 192.168.100.17:8188 weight=5 max_fails=5 fail_timeout=30s;      # http://192.168.100.18:8188/portal/      server 192.168.100.18:8188 weight=5 max_fails=5 fail_timeout=30s;  }  # manage-cluster  upstream manage-cluster {      # http://192.168.100.25:8189/manage/      server 192.168.100.25:8189 weight=4 max_fails=5 fail_timeout=30s;      # http://192.168.100.26:8189/manage/      server 192.168.100.26:8189 weight=6 max_fails=5 fail_timeout=30s;  }  # External Internet.  server {      listen       80;      server_name  www.huaxixiang.com;      access_log   logs/host.access.log  main;      location /portal/ {          # root   html;          # index  index.html index.htm;          # nginx http header send to tomcat app.          # proxy_set_header Host  $host;          # proxy_set_header X-Forwarded-For  $remote_addr;          proxy_set_header Host $host;          proxy_set_header X-Real-Ip $remote_addr;          proxy_set_header X-Forwarded-For $remote_addr;          proxy_pass http://portal-cluster;      }      # nginx status      location /nginx_status {          # copied from http://blog.kovyrin.net/2006/04/29/monitoring-nginx-with-rrdtool/          stub_status  on;          access_log   off;          allow        192.168.100.100;          #deny all;      }      location / {          root   html;          index  index.html index.htm;      }      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;      }  }  # External Internet.  server {      listen       80;      server_name  manage.huaxixiang.com;      access_log  logs/host.access.log  main;      location /manage/ {          proxy_pass http://manage-cluster;      }      location / {          root   html;          index  index.html index.htm;      }      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;      }  }