Linux下Nginx调优示例（loadbalance+sessionstick）

#user  nobody;

worker_processes  8;

worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000;



#error_log  logs/error.log;

#error_log  logs/error.log  notice;

#error_log  logs/error.log  info;



#pid        logs/nginx.pid;

worker_rlimit_nofile 204800;



events {

use epoll; 

worker_connections 204800;    

}



http {

include       mime.types;

default_type  application/octet-stream;



server_names_hash_bucket_size 128;

client_header_buffer_size 2k;

large_client_header_buffers 4 4k;

client_max_body_size 8m; 



#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  60;



fastcgi_cache_path /opt/nginx_installed/fastcgi_cache levels=1:2



keys_zone=TEST:10m inactive=5m;

fastcgi_send_timeout 300;

fastcgi_read_timeout 300;

fastcgi_buffer_size 16k;

fastcgi_buffers 16 16k;

fastcgi_busy_buffers_size 16k;

fastcgi_temp_file_write_size 16k;

fastcgi_cache TEST;

fastcgi_cache_valid 200 302 1h;

fastcgi_cache_valid 301 1d;

fastcgi_cache_valid any 1m;

fastcgi_cache_min_uses 1;

fastcgi_cache_use_stale error timeout invalid_header http_500;



open_file_cache max=204800 inactive=20s;

open_file_cache_min_uses 1;

open_file_cache_valid 30s;



tcp_nodelay on;



upstream backserver  {

ip_hash;

server   192.168.112.14:6888;

server   192.168.112.14:7888;

}



#gzip  on;



server {

listen       80;

server_name  localhost;



#charset koi8-r;



#access_log  logs/host.access.log  main;



location / {

proxy_pass   http://backserver;

proxy_redirect  off;

proxy_set_header   Host $host;

proxy_set_header    X-Real-IP $remote_addr;

proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;

client_max_body_size 10m;

client_body_buffer_size 128k;

proxy_connect_timeout  90;

proxy_send_timeout      90;

proxy_read_timeout      90;

proxy_buffer_size      4k;

proxy_buffers          4 32k;

proxy_busy_buffers_size 64k;

proxy_temp_file_write_size 64k;

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;

}



# 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

#

#location ~ \.php$ {

#    root           html;

#    fastcgi_pass   127.0.0.1:9000;

#    fastcgi_index  index.php;

#    fastcgi_param  SCRIPT_FILENAME  /scripts$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  HIGH:!aNULL:!MD5;

#    ssl_prefer_server_ciphers   on;



#    location / {

#        root   html;

#        index  index.html index.htm;

#    }

#}

}

注意：同时实现了负载分发和sessionstick功能！