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Nginx的gzip压缩
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JhouShuai  >《Nginx》

2015.01.08

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cat /usr/local/nginx/conf/nginx.conf
user  www;
worker_processes  2;
#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;
events {
use epoll;
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;
client_max_body_size 20m;
####默认情况下，Nginx的gzip压缩是关闭的
#gzip  on;
server {
listen       80;
server_name  localhost;
root html;
index index.php index.html index.htm
#charset koi8-r;
#access_log  logs/host.access.log  main;
#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$ {
fastcgi_pass   127.0.0.1:9000;
fastcgi_index  index.php;
fastcgi_param  SCRIPT_FILENAME  $document_root$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;
#}
}
server {
listen       80;
server_name  hipigo.51.local;
root   /home/www/hipigo.cn/1.5.1/public;
index  index.html index.htm index.php;
charset utf-8;
location ~ ^/(images|javascript|js|css|flash|media|static)/  {
expires 30d;
log_not_found off;
}
# 设置不被防问的目录
location ~ ^/(application|library|var)/ {
deny all;
}
#将request指向index.php
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  hipigo.53.local;
root   /home/www/hipigo.cn/1.5.3/public;
index  index.html index.htm index.php;
charset utf-8;
location ~ ^/(images|javascript|js|css|flash|media|static)/  {
expires 30d;
log_not_found off;
}
# 设置不被防问的目录
location ~ ^/(application|library|var)/ {
deny all;
}
#将request指向index.php
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  hipigo.5.local;
root   /home/www/hipigo.cn/1.5/public;
index  index.html index.htm index.php;
charset utf-8;
location ~ ^/(images|javascript|js|css|flash|media|static)/  {
expires 30d;
log_not_found off;
}
# 设置不被防问的目录
location ~ ^/(application|library|var)/ {
deny all;
}
#将request指向index.php
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  dev.2bi.net;
root   /home/www/2bi/wwwroot/;
index  index.php index.htm index.html;
charset utf-8;
location /admin/ {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /admin/index.php last;
}
# 设置不被防问的目录
# location ~ ^/home/ {
#   deny all;
# }
#零售官网首页
location /home/ {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /home/index.php last;
}
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  pay.dev.hipigo.cn;
root   /home/www/hipigo.cn/pay/wwwroot/;
index  index.php index.htm index.html;
charset utf-8;
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  dev.cmen.com;
root   /home/www/cmen/wwwroot/;
index  index.php index.htm index.html;
charset utf-8;
location /admin/ {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /admin/index.php last;
}
# 设置不被防问的目录
# location ~ ^/home/ {
#   deny all;
# }
#官网首页
location /home/ {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /home/index.php last;
}
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  wx.dev.hipigo.cn;
root   /home/www/hipigo.cn/2.0/trunck/wwwroot;
index  index.php index.htm index.html;
charset utf-8;
location /biz {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /biz/index.php last;
}
location /wapi {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /wapi/index.php last;
}
location / {
if (-f $request_filename) {
expires  max;
break;
}
if (!-e $request_filename){
rewrite ^/(.*)$ /index.php last;
}
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  manage.dev.xrenwu.com;
root   /home/www/it008.com.xrenwu/manage/public;
index  index.php index.htm index.html;
charset utf-8;
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  api.dev.xrenwu.com;
root   /home/www/it008.com.xrenwu/service/public;
index  index.php index.htm index.html;
charset utf-8;
location / {
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  dev.xrenwu.com;
root   /home/www/it008.com.xrenwu/website/public;
index  index.php index.htm index.html;
charset utf-8;
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
server {
listen       80;
server_name  att.it008.com;
root   /home/www/hipigo.cn/att;
index  index.php index.htm index.html;
charset utf-8;
location / {
if (-f $request_filename) {
break;
}
if (-d $request_filename) {
break;
}
rewrite ^(.+)$ /index.php last;
}
#引用PHP CGI
location ~ .*\.(php|php5)?$ {
fastcgi_pass   127.0.0.1:9000;
include fastcgi_params;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
fastcgi_read_timeout 600;
}
}
}
以下内容来自：
原文地址： http://www.php100.com/html/it/focus/2013/0905/5526.html
默认情况下，Nginx的gzip压缩是关闭的， gzip压缩功能就是可以让你节省不少带宽，但是会增加服务器CPU的开销哦，Nginx默认只对text/html进行压缩 ，如果要对html之外的内容进行压缩传输，我们需要手动来调。开启gzip的指令如下：
代码如下复制代码
gzip on;
gzip_http_version 1.0;
gzip_disable "MSIE [1-6].";
gzip_types text/plain application/x-javascript text/css text/javascript;
关于gzip_types，如果你想让图片也开启gzip压缩，那么用以下这段吧：
gzip_types text/plain application/x-javascript text/css text/javascript application/x-httpd-php image/jpeg image/gif image/png;
网站开启gzip压缩，不仅能够节省带宽，也能够快速响应用户的访问，在nginx中，开启gzip压缩的方法为：
gzip on;      （启用 gzip 压缩功能）
gzip_proxied any;  （nginx 做前端代理时启用该选项，表示无论后端服务器的headers头返回什么信息，都无条件启用压缩）
gzip_min_length  1024; （最小压缩的页面，如果页面过于小，可能会越压越大，这里规定大于1K的页面才启用压缩）
gzip_buffers     4 8k; （设置系统获取几个单位的缓存用于存储gzip的压缩结果数据流）
gzip_comp_level 3; （压缩级别，1压缩比最小处理速度最快，9压缩比最大但处理最慢，同时也最消耗CPU,一般设置为3就可以了）
gzip_types       text/plain text/css application/x-javascript application/javascript application/xml; （什么类型的页面或文档启用压缩）
注意：
1. 其中的gzip_http_version的设置，它的默认值是1.1，就是说对HTTP/1.1协议的请求才会进行gzip压缩
如果我们使用了proxy_pass进行反向代理，那么nginx和后端的upstream server之间是用HTTP/1.0协议通信的
This module makes it possible to transfer requests to another server.
It is an HTTP/1.0 proxy without the ability for keep-alive requests yet. (As a result, backend connections are created and destroyed on every request.) Nginx talks HTTP/1.1 to the browser and HTTP/1.0 to the backend server. As such it handles keep-alive to the browser.
如果我们使用nginx通过反向代理做Cache Server，而且前端的nginx没有开启gzip
同时，我们后端的nginx上没有设置gzip_http_version为1.0，那么Cache的url将不会进行gzip压缩
2. gzip_disable的设置是禁用IE6的gzip压缩，又是因为杯具的IE6
IE6的某些版本对gzip的压缩支持很不好，会造成页面的假死，今天产品的同学就测试出了这个问题
后来调试后，发现是对img进行gzip后造成IE6的假死，把对img的gzip压缩去掉后就正常了
为了确保其它的IE6版本不出问题，所以就加上了gzip_disable的设置
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