玩转Nginx - Nginx + Proxy Cache 快速搭建
user www www;worker_processes 8;
error_log /data/nginx/logs/error.log crit;
pid /usr/local/nginx/nginx.pid;
worker_rlimit_nofile 65535;
events
{
use epoll;
worker_connections 65535;
}
http
{
include mime.types;
default_type application/octet-stream;
charset utf-8;
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 300m;
sendfile on;
tcp_nopush on;
keepalive_timeout 60;
tcp_nodelay on;
client_body_buffer_size 512k;
proxy_connect_timeout 5;
proxy_read_timeout 60;
proxy_send_timeout 5;
proxy_buffer_size 16k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 128k;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.1;
gzip_comp_level 2;
gzip_types text/plain application/x-javascript text/css application/xml;
gzip_vary on;
proxy_temp_path /data/nginx/proxy_cache_tmp;
proxy_cache_path /data/nginx/proxy_cache_dir levels=1:2 keys_zone=cache_one:6000m inactive=1d max_size=400g;
#include vhosts/* ;
log_format cache '$request_time - $upstream_cache_status ' '$status $remote_addr - $remote_user [$time_local] - $request' '$body_bytes_sent $http_referer' 'upstream_response_time $upstream_response_time ' 'msec $msec';
access_log /data/nginx/logs/access.log cache;
upstream cdnups {
server www.baidu.com:80 weight=100 max_fails=3 fail_timeout=30s;
}
server
{
listen 80;
server_name www.baidu.com;
index index.html index.htm;
location /
{
#如果后端的服务器返回502、504、执行超时等错误，自动将请求转发到upstream负载均衡池中的另一台服务器，实现故障转移。
proxy_next_upstream http_502 http_504 error timeout invalid_header;
proxy_cache cache_one;
#对不同的HTTP状态码设置不同的缓存时间
proxy_cache_valid 200 304 12h;
#以域名、URI、参数组合成Web缓存的Key值，Nginx根据Key值哈希，存储缓存内容到二级缓存目录内
proxy_cache_key $host$uri$is_args$args;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_pass http://cdnups;
#expires 30d;
}
location ~ /purge(/.*)
{
allow 127.0.0.1;
allow 192.168.1.1;
deny all;
proxy_cache_purge cache_one $host$1$is_args$args;
}
location ~ .*\.(php|jsp|cgi|do|shtml)?$
{
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_pass http://cdnups;
}
}
}
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