我的网站存在性能问题。我的配置是 ubuntu 11.04 上带有 wordpress/nginx/php-fpm 的 1G VPS。瓶颈是浏览器等待来自服务器的第一个字节。启动连接后等待服务器的第一个响应需要 4-6 秒（该网站是新网站，它接收的流量非常低，大约 50-150 访问/天）。以下是我的 nginx conf，我希望它可以帮助理解问题出在哪里。我想知道这个配置是否有问题可以优化。另外，如果有人可以推荐我使用适合我的配置的分析/分析工具。
注意：我将我的用户名替换为myusername，我的域替换为mydomain.com
nginx.conf
user myusername;
worker_processes 4;
pid /var/run/nginx.pid;
events {
worker_connections 768;
# multi_accept on;
}
http {
index index.php index.html index.htm;
sendfile on;
# tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 5;
types_hash_max_size 2048;
# server_tokens off;
# server_names_hash_bucket_size 64;
# server_name_in_redirect off;
include /etc/nginx/mime.types;
default_type application/octet-stream;
client_max_body_size 50m;
access_log /var/log/nginx/access.log;
error_log /var/log/nginx/error.log;
gzip on;
gzip_disable "msie6";
# gzip_vary on;
# gzip_proxied any;
# gzip_comp_level 6;
# gzip_buffers 16 8k;
# gzip_http_version 1.1;
# gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
##
# Virtual Host Configs
##
include /etc/nginx/conf.d/*.conf;
include /etc/nginx/sites-enabled/*;
}
sites-enabled/default
server {
listen 80; ## listen for ipv4; this line is default and implied
listen [::]:80 default ipv6only=on; ## listen for ipv6
root /home/myusername/www;
# Make site accessible from http://localhost/
server_name mydomain.com;
location / {
# First attempt to serve request as file, then
# as directory, then fall back to index.html
try_files $uri $uri/ /index.php;
}
location /doc {
# root /usr/share;
autoindex on;
allow 127.0.0.1;
deny all;
}
location /images {
# root /usr/share;
autoindex off;
}
error_page 404 = @wordpress;
log_not_found off;
location @wordpress {
fastcgi_pass 127.0.0.1:9000;
fastcgi_param SCRIPT_FILENAME $document_root/index.php;
include /etc/nginx/fastcgi_params;
fastcgi_param SCRIPT_NAME /index.php;
}
location ^~ /files/ {
rewrite /files/(.+) /wp-includes/ms-files.php?file=$1 last;
}
# redirect server error pages to the static page /50x.html
#
#error_page 500 502 503 504 /50x.html;
#location = /50x.html {
# root /usr/share/nginx/www;
#}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php$ {
try_files $uri @wordpress;
fastcgi_index index.php;
fastcgi_pass 127.0.0.1:9000;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include /etc/nginx/fastcgi_params;
}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
location ~ /\.ht {
deny all;
}
location ^~ /blogs.dir/ {
internal;
root /home/myusername/www/wp-content;
}
}