對FPM 模塊進行參數優化！

Nginx 的 PHP 解析功能實現若是是交由 FPM 處理的，爲了提升 PHP 的處理速度，可對
FPM 模塊進行參數跳轉。
FPM 優化參數：
pm 使用哪一種方式啓動 fpm 進程，能夠說 static 和 dynamic，前者將產生
固定數量的 fpm 進程，後綴將以動態的方式產生 fpm 進程
pm.max_children static 方式下開啓的 fpm 進程數
pm.start_servers 動態方式下初始的 fpm 進程數量
pm.min_spare_servers 動態方式下最大的 fpm 空閒進程數
pm.max_spare_servers 動態方式下最大的 fpm 空閒進程數

root@nginx ~]# cat /usr/local/nginx/conf/nginx.conf

user nginx nginx;
worker_processes 2;
error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
pid logs/nginx.pid;
events {
use epoll;
worker_connections 10240;
}

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_header_timeout 60;
client_body_timeout 60;
server_tokens off;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.1;
gzip_comp_level 2;
gzip_types text/plain text/javascript application/x-javascrip t text/css text/xml
application/xml application/xml+rss;
gzip_vary on;
server {
listen 80;
server_name www.amber.com;
charset utf-8;
access_log logs/amber.com.access.log main;
location / {
root /web/amber.com;
index index.html index.htm;
}
location ~*\.(gif|jpg|jpeg|png|bmp|ico)$ {

root /web/amber.com;
expires 1d;
valid_referers none blocked *.amber.com amber.com;
if ($invalid_referer) {
rewrite ^/ http://www.amber.com/error.jpg;
#return 403;
}
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
}

 示例：服務器爲雲服務器。運行我的論壇，內存爲1.5G,fpm進程數爲20，內存消耗近1G，處理比較慢