服务器正在运行带有PHP-FPM（PHP7）的NGINX和最新版本的WordPress。我正在使用NGINX缓存以及OPCache和W3 Total Cache我正在使用数据库和对象缓存到Memcached集群以及CDN。
一切都在AWS上。它实际上是两个负载均衡的Web服务器，但我没有得到我想要的性能。任何优化nginx.conf文件的帮助都会很棒。如果你需要知道我正在使用的实例有2vCPU和8GB的RAM以及高网络速度。服务器正在共享站点文件的NFS卷。另外，我有一个处理数据库的RDS实例。
user username;
worker_processes 2 ;
pid /var/run/nginx.pid;
events {
worker_connections 2048;
multi_accept on;
use epoll;
}
worker_rlimit_nofile 4096;
http {
##
# Basic Settings
##
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 60;
types_hash_max_size 2018;
client_max_body_size 124m;
client_body_buffer_size 1m;
client_body_timeout 47;
client_header_timeout 47;
# server_tokens off;
server_names_hash_bucket_size 128;
# server_name_in_redirect off;
include /etc/nginx/mime.types;
default_type application/octet-stream;
open_file_cache max=2000 inactive=20s;
open_file_cache_valid 60s;
open_file_cache_min_uses 5;
open_file_cache_errors off;
fastcgi_buffers 256 16k;
fastcgi_buffer_size 128k;
fastcgi_connect_timeout 3s;
fastcgi_send_timeout 120s;
fastcgi_read_timeout 120s;
fastcgi_busy_buffers_size 256k;
fastcgi_temp_file_write_size 256k;
reset_timedout_connection on;
##
# SSL Settings
##
ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
ssl_prefer_server_ciphers on;
# Gzip Settings
gzip on;
gzip_disable "msie6";
gzip_vary on;
gzip_proxied any;
gzip_comp_level 2;
gzip_buffers 16 8k;
gzip_http_version 1.1;
gzip_types text/css text/x-component application/x-javascript application/javascript text/javascript text/x-js text/richtext image/svg+xml text/plain text/xsd text/xsl text/xml image/bmp application/java application/msword application/vnd.ms-fontobject application/x-msdownload image/x-icon image/webp application/json application/vnd.ms-access application/vnd.ms-project application/x-font-otf application/vnd.ms-opentype application/vnd.oasis.opendocument.database application/vnd.oasis.opendocument.chart application/vnd.oasis.opendocument.formula application/vnd.oasis.opendocument.graphics application/vnd.oasis.opendocument.spreadsheet application/vnd.oasis.opendocument.text audio/ogg application/pdf application/vnd.ms-powerpoint application/x-shockwave-flash image/tiff application/x-font-ttf audio/wav application/vnd.ms-write application/font-woff application/font-woff2 application/vnd.ms-excel;
# Nginx Fast Cache Settings
fastcgi_cache_path /dev/shm/nginx-cache levels=1:2 keys_zone=WORDPRESS:1024m inactive=60m;
fastcgi_cache_key "$scheme$request_method$host$request_uri";
fastcgi_cache_use_stale error timeout invalid_header http_500;
fastcgi_ignore_headers Cache-Control Expires Set-Cookie;
# HTTP Server
server {
listen 80 default_server;
listen 443 ssl;
#listen [::]:80 default_server;
server_name www.siteurl.com;
ssl_certificate /efs/ssl/name.crt;
ssl_certificate_key /efs/ssl/name.key;
access_log /var/log/nginx/access.log;
error_log /var/log/nginx/error.log warn;
root /efs/public_html1/;
include /efs/name/nginx.conf;
index index.php;
location = /favicon.ico {
log_not_found off;
access_log off;
}
location = /robots.txt {
log_not_found off;
access_log off;
allow all;
}
#Set static file browser caching
location ~* \.(css|js)$ {
expires 30d;
log_not_found off;
access_log off;
}
location ~* \.(ogg|ogv|svg|svgz|eot|otf|woff|mp4|ttf|rss|atom|jpg|jpeg|gif|png|ico|zip|tgz|gz|rar|bz2|doc|xls|exe|ppt|tar|mid|midi|wav|bmp|rtf)$ {
expires 60d;
log_not_found off;
access_log off;
}
#Prevent access to hidden files
location ~ /\. {
access_log off;
log_not_found off;
deny all;
}
#Cache Settings
set $skip_cache 0;
# POST requests and urls with a query string should always go to PHP
if ($request_method = POST) {
set $skip_cache 1;
}
if ($query_string != "") {
set $skip_cache 1;
}
# Don't cache uris containing the following segments
if ($request_uri ~* "/wp-admin/|/xmlrpc.php|wp-.*.php|/feed/|index.php|sitemap(_index)?.xml") {
set $skip_cache 1;
}
# Don't use the cache for logged in users or recent commenters
if ($http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_no_cache|wordpress_logged_in") {
set $skip_cache 1;
}
location / {
try_files $uri $uri/ /index.php$is_args$args;
}
location ~ \.php$ {
try_files $uri =404;
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass unix:/var/run/php-fpm-7.0.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param SCRIPT_NAME $fastcgi_script_name;
include fastcgi_params;
fastcgi_cache_bypass $skip_cache;
fastcgi_no_cache $skip_cache;
fastcgi_cache WORDPRESS;
fastcgi_cache_valid 60m;
}
location ~ /purge(/.*) {
fastcgi_cache_purge WORDPRESS "$scheme$request_method$host$1";
}
add_header X-Cache-Status $upstream_cache_status;
}
}