Nginx fastcgi_cache缓存加速配置教程-wordpress缓存选用哪个?

nginx -V 2>&1 | grep -o ngx_cache_purge

cd /usr/local/src

wget http://labs.frickle.com/files/ngx_cache_purge-2.3.tar.gz

tar zxvf ngx_cache_purge-2.3.tar.gz

wget http://nginx.org/download/nginx-1.12.0.tar.gz

tar zxvf nginx-1.12.0.tar.gz

cd nginx-1.12.0

nginx -V

nginx version: nginx/1.12.0
built by gcc 4.4.7 20120313 (Red Hat 4.4.7-18) (GCC)
built with OpenSSL 1.0.2l  25 May 2017
TLS SNI support enabled
configure arguments: --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-http_v2_module --with-http_gzip_static_module --with-ipv6 --with-http_sub_module --with-openssl=/root/lnmp1.4/src/openssl-1.0.2l --with-google_perftools_module

./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-http_v2_module --with-http_gzip_static_module --with-ipv6 --with-http_sub_module --with-openssl=/root/lnmp1.4/src/openssl-1.0.2l --with-google_perftools_module --add-module=../ngx_cache_purge-2.3

make

mv /usr/local/nginx/sbin/nginx{,_`date +%F`} #备份nginx
cp objs/nginx /usr/local/nginx/sbin

nginx -V 2>&1 | grep -o ngx_cache_purge

vi /usr/local/nginx/conf/vhost/www.aaa.conf

#下面各个参数的含义请自行百度，我就不赘述了
#下面2行的中的wpcache路径请自行提前创建，否则可能会路径不存在而无法启动nginx，max_size请根据分区大小自行设置
fastcgi_cache_path /tmp/wpcache levels=1:2 keys_zone=WORDPRESS:250m inactive=1d max_size=1G;
fastcgi_temp_path /tmp/wpcache/temp;
fastcgi_cache_key "$scheme$request_method$host$request_uri";
fastcgi_cache_use_stale error timeout invalid_header http_500;
#忽略一切nocache申明，避免不缓存伪静态等
fastcgi_ignore_headers Cache-Control Expires Set-Cookie;

server
{
listen 80;
#请修改为自己的域名
server_name www.aaa.com;
index index.html index.htm index.php default.html default.htm default.php;
#请修改为自己网站的存放路径
root  /home/wwwroot/www.aaa.com;

set $skip_cache 0;
#post访问不缓存
if ($request_method = POST) {
set $skip_cache 1;
}
#动态查询不缓存
if ($query_string != "") {
set $skip_cache 1;
}
#后台等特定页面不缓存（其他需求请自行添加即可）
if ($request_uri ~* "/wp-admin/|/xmlrpc.php|wp-.*.php|/feed/|index.php|sitemap(_index)?.xml") {
set $skip_cache 1;
}
#对登录用户、评论过的用户不展示缓存（这个规则张戈博客并没有使用，所有人看到的都是缓存）
if ($http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_no_cache|wordpress_logged_in") {
set $skip_cache 1;
}
#这里请参考你网站之前的配置，特别是sock的路径，弄错了就502了！
location ~ [^/]\.php(/|$)
{
try_files $uri =404;
fastcgi_pass unix:/tmp/php-cgi.sock;
fastcgi_index index.php;
include fastcgi.conf;
#新增的缓存规则
fastcgi_cache_bypass $skip_cache;
fastcgi_no_cache $skip_cache;
add_header X-Cache "$upstream_cache_status From $host";
fastcgi_cache WORDPRESS;
fastcgi_cache_valid 200 301 302 1d;
}
location / {
#此处可以添加自定义的伪静态规则（之前你新增的伪静态规则可以添加到这，没有就不用了）
try_files $uri $uri/ /index.php?$args;
rewrite /wp-admin$ $scheme://$host$uri/ permanent;
}
#缓存清理配置（可选模块，以下第二个xxx.xxx.xxx.xx ip填写主机公网ip）
location ~ /purge(/.*) {
allow 127.0.0.1;
allow "xxx.xxx.xxx.xx";
deny all;
fastcgi_cache_purge WORDPRESS "$scheme$request_method$host$1";
}

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)$ {
access_log off; log_not_found off; expires max;
}

location = /robots.txt { access_log off; log_not_found off; }
location ~ /\. { deny all; access_log off; log_not_found off; }
#请注意修改日志路径，不记录日志设置OFF
access_log /home/wwwlogs/www.aaa.com.log;
}

server {
server_name aaa.com;
return 301 $scheme://www.aaa.com$request_uri;
}

lnmp restart

//定义缓存的存放路径
define( 'RT_WP_NGINX_HELPER_CACHE_PATH','/tmp/wpcache');

/**
* WordPress Nginx FastCGI缓存清理代码(Nginx-Helper纯代码版) By 张戈博客
*/

//初始化配置
$logSwitch = 0; //配置日志开关，1为开启，0为关闭
$logFile = '/tmp/purge.log'; //配置日志路径
$cache_path = '/tmp/wpcache'; //配置缓存路径

//清理所有缓存(仅管理员) 范例：http://www.domain.com/?purge=all
if ($_GET['purge'] == 'all' && is_user_logged_in()) {
if( current_user_can( 'manage_options' ))
{
delDirAndFile($cache_path, 0);
}
}

//缓存清理选项
add_action('publish_post', 'Clean_By_Publish', 99); //文章发布、更新清理缓存
add_action('comment_post', 'Clean_By_Comments',99); //评论提交清理缓存(不需要可注释)
add_action('comment_unapproved_to_approved', 'Clean_By_Approved',99); //评论审核清理缓存(不需要可注释)

//文章发布清理缓存函数
function Clean_By_Publish($post_ID){
$url = get_permalink($post_ID);

cleanFastCGIcache($url); //清理当前文章缓存
cleanFastCGIcache(home_url().'/'); //清理首页缓存(不需要可注释此行)

//清理文章所在分类缓存(不需要可注释以下5行)
if ( $categories = wp_get_post_categories( $post_ID ) ) {
foreach ( $categories as $category_id ) {
cleanFastCGIcache(get_category_link( $category_id ));
}
}

//清理文章相关标签页面缓存(不需要可注释以下5行)
if ( $tags = get_the_tags( $post_ID ) ) {
foreach ( $tags as $tag ) {
cleanFastCGIcache( get_tag_link( $tag->term_id ));
}
}
}

// 评论发布清理文章缓存
function Clean_By_Comments($comment_id){
$comment = get_comment($comment_id);
$url = get_permalink($comment->comment_post_ID);
cleanFastCGIcache($url);
}

// 评论审核通过清理文章缓存
function Clean_By_Approved($comment)
{
$url = get_permalink($comment->comment_post_ID);
cleanFastCGIcache($url);
}

//日志记录
function purgeLog($msg)
{
global $logFile, $logSwitch;
if ($logSwitch == 0 ) return;
date_default_timezone_set('Asia/Shanghai');
file_put_contents($logFile, date('[Y-m-d H:i:s]: ') . $msg . PHP_EOL, FILE_APPEND);
return $msg;
}

// 缓存文件删除函数
function cleanFastCGIcache($url) {
$url_data = parse_url($url);
global $cache_path;
if(!$url_data) {
return purgeLog($url.' is a bad url!' );
}

$hash = md5($url_data['scheme'].'GET'.$url_data['host'].$url_data['path']);
$cache_path = (substr($cache_path, -1) == '/') ? $cache_path : $cache_path.'/';
$cached_file = $cache_path . substr($hash, -1) . '/' . substr($hash,-3,2) . '/' . $hash;

if (!file_exists($cached_file)) {
return purgeLog($url . " is currently not cached (checked for file: $cached_file)" );
} else if (unlink($cached_file)) {
return purgeLog( $url." *** CLeanUP *** (cache file: $cached_file)");
} else {
return purgeLog("- - An error occurred deleting the cache file. Check the server logs for a PHP warning." );
}
}

/**
* 删除目录及目录下所有文件或删除指定文件
* 代码出自ThinkPHP：http://www.thinkphp.cn/code/1470.html
* @param str $path 待删除目录路径
* @param int $delDir 是否删除目录，1或true删除目录，0或false则只删除文件保留目录（包含子目录）
* @return bool 返回删除状态
*/
function delDirAndFile($path, $delDir = FALSE) {
$handle = opendir($path);
if ($handle) {
while (false !== ( $item = readdir($handle) )) {
if ($item != "." && $item != "..")
is_dir("$path/$item") ? delDirAndFile("$path/$item", $delDir) : unlink("$path/$item");
}
closedir($handle);
if ($delDir)
return rmdir($path);
}else {
if (file_exists($path)) {
return unlink($path);
} else {
return FALSE;
}
}
}

?purge=all

#后台等特定页面不缓存（其他需求请自行添加即可）
if ($request_uri ~* "purge=all|/wp-admin/|/xmlrpc.php|wp-.*.php|/feed/|index.php|sitemap(_index)?.xml") {
set $skip_cache 1;
}

./addons.sh install memcached

./addons.sh uninstall memcached

./addons.sh install opcache

./addons.sh install opcache

./addons.sh uninstall opcache