linux安装memcache,PHP配置memcache,nginx配置memcache

Linux安装memcache

yum install memcached  
#设置memcache开机启动
systemctl enable memcached
#启动memcached
systemctl start memcached

PHP配置memcache

cd /server/package
wget  http://pecl.php.net/get/memcache-4.0.5.2.tgz
tar zxvf memcache-4.0.5.2.tgz
cd memcache-4.0.5.2
配置php
执行
/server/php/bin/phpize

./configure --help
//可以看到配置php

./configure --with-php-config=/server/php/bin/php-config
make && make install

vim /server/php/etc/php.ini	
#PHP配置文件增加memcache扩展
extension=/server/php/lib/php/extensions/no-debug-non-zts-20160303/memcache.so
#重新启动PHP进程
pkill -9 php
/server/php/sbin/php-fpm
vim /data/html/index.php

<?php
	echo phpinfo();

至此，php添加memcache扩展已成功

nginx配置memcache

#连接memcached
telnet localhost 11211
#存储 key => value
add  /user1.html 0 0 8
I am Ycm

vim /server/nginx/conf/vhost/test001.com.conf

 location /{
            set $memcached_key "$uri";
            memcached_pass 127.0.0.1:11211;
    #       root /data/html;
            #index index.php index.html index.htm;
    }

完整配置

server{
    listen 80;
    server_name test001.com  www.test001.com;
    root /data/html;
    access_log /logs/nginx/access_test001.log main;
    error_log /logs/nginx/error_test001.log ;
    location /{
            set $memcached_key "$uri";
            memcached_pass 127.0.0.1:11211;
            error_page 404 /callback.php;
    #       root /data/html;
            #index index.php index.html index.htm;
    }

    error_page 500 502 503 504 /50x.html;

    location = /50x.html{
            root /data/html;
    }

    location ~ \.php$ {
            fastcgi_pass 127.0.0.1:9000;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            include fastcgi_params;
    }
    location ~* \.(jpg|jpeg|gif|ico){
            #root /data/html/;
            expires 1d;
    }

#保存并重启nginx

nginx -s reload

访问test001.com/user1.html

此时，访问test001.com/user2html，返回404，需要进行优化

location /{
            set $memcached_key "$uri";
            memcached_pass 127.0.0.1:11211;
            #增加error_page判断，并调取callback.php
            error_page 404 /callback.php;
    #       root /data/html;
            #index index.php index.html index.htm;
    }

#编辑回调文件

vim /data/html/callback.php

<?php
#print_r($_SERVER);
$uri = $_SERVER['REQUEST_URI'];
$uid = substr($uri,5,strpos($uri,'.')-5);
echo $uid;

$con = mysqli_connect('localhost','root','[e-mail]');
$sql = 'use test';
mysqli_query($con,$sql);
$sql2 = 'set names utf8';
mysqli_query($con,$sql2);

$sql3= 'select * from user where uid='.$uid;
$rs = mysqli_query($con,$sql3);

$user = mysqli_fetch_assoc($rs);
echo 'From mysql query';
if(empty($user)){
        echo 'no this user';
}else{
    $html = '<h1>'.$user['uname'].'</h1>';
    echo $html;
    $mem = new memcache();
    $mem->connect('localhost','11211');
    $mem->add($uri,$user,0,300);
    $mem->close();
}

退出telnet localhost 11211
先按 ctrl + ]
然后输入 quit 按下 enter 退出