1. 安裝libevent
wget https://sourceforge.net/projects/levent/files/libevent/libevent-2.0/libevent-2.0.22-stable.tar.gz --no-check-certificate tar zxvf libevent-2.0.22-stable.tar.gz -C /usr/src/ cd /usr/src/libevent-2.0.22-stable ./configure --prefix=/usr/local/libevent make make install
2. 安裝memcached
tar zxvf memcached-1.4.22.tar.gz -C /usr/src/ cd /usr/src/memcached-1.4.22 ./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent make make install useradd memcache -s /sbin/nologin chown -R memcache:memcache /usr/local/memcached/ /usr/local/memcached/bin/memcached -u memcache -m 1024 -l 192.168.20.12 -p 1340 -c 2000 -d -P /tmp/memcached.pid
啓動參數說明：
-u 指定啓動用戶
-m 指定使用多少內存
-l 指定監聽地址
-p 指定監聽端口
-c 指定最大同時連接數
-d 以守護進程方式運行（在後臺運行）
-P 指定存放PID的文件
-h 查看幫助信息
3. php添加memcache支持
tar zxvf memcache-2.2.7.tgz -C /usr/src/ cd /usr/src/memcache-2.2.7 /usr/local/php/bin/phpize ./configure --with-php-config=/usr/local/php/bin/php-config --enable-memcache make make install vi /usr/local/php/etc/php.ini extension=memcache.so //添加
4. 重啓nginx、php
kill -HUP `cat /usr/local/nginx/logs/nginx.pid` kill -USR2 `cat /usr/local/php/var/run/php-fpm.pid`