nginx调优配置

#运行用户
#user nobody;
#启动进程,通常设置成和cpu的数量相等
worker_processes 2;
#全局错误日志及PID文件
error_log E:/server/nginx-1.2.9/logs/error.log;
pid E:/server/nginx-1.2.9/logs/nginx.pid;


events {
#epoll是多路复用IO(I/O Multiplexing)中的一种方式,但是仅用于linux2.6以上内核,可以大大提高nginx的性能
#use epoll;
worker_connections 1024;
}


http {
#设定mime类型,类型由mime.type文件定义
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"';
#设定日志格式
access_log E:/server/nginx-1.2.9/logs/access.log;

sendfile on;
#tcp_nopush on;

#连接超时时间
#keepalive_timeout 0;
keepalive_timeout 65;
tcp_nodelay on;

#开启gzip压缩,文件类型为静态文件，类型根据实际情况修改
gzip on;
gzip_disable "MSIE [1-6]\.(?!.*SV1)";
gzip_types text/plain application/x-javascript text/css text/javascript application/x-httpd-php image/jpeg image/gif image/png;

#设定请求缓冲
client_header_buffer_size 1k;
large_client_header_buffers 4 4k;

upstream localhost {
#根据ip计算将请求分配各那个后端tomcat，许多人误认为可以解决session问题，其实并不能。
#同一机器在多网情况下，路由切换，ip可能不同
#ip_hash;
server 192.168.1.104:8080;
server 192.168.1.104:8081;
}
server {
#侦听80端口
listen 80;
server_name 192.168.1.104;

#charset koi8-r;

#access_log logs/host.access.log main;

#location / {
# root html;
# index index.jsp;
#}
location / {
proxy_connect_timeout 3;
proxy_send_timeout 30;
proxy_read_timeout 30;
proxy_pass http://localhost;
}
#error_page 404 /404.html;

# # 定义错误提示页面
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
#静态文件，nginx自己处理
location ~ ^/(images|javascript|js|css|flash|media|static)/ {
root /var/www/virtual/htdocs;
#过期30天，静态文件不怎么更新，过期可以设大一点，如果频繁更新，则可以设置得小一点。
expires 50d;
}

# 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 ssl;
# server_name localhost;

# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;

# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;

# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;

# location / {
# root html;
# index index.html index.htm;
# }
#}

}