memcache安装：
wget http://www.monkey.org/~provos/libevent-1.2.tar.gz
tar zxvf libevent-1.2.tar.gz
cd libevent-1.2
./configure --prefix=/usr
make
make install
wget http://www.danga.com/memcached/dist/memcached-1.2.0.tar.gz
tar zxvf memcached-1.2.0.tar.gz
cd memcached-1.2.0
./configure --with-libevent=/usr
make
make install
安装Memcache的PHP扩展
pecl install memcache
Build process completed successfully
Installing '/usr/lib64/php/modules/memcache.so'
install ok: channel://pecl.php.net/memcache-2.2.7
configuration option "php_ini" is not set to php.ini location
You should add "extension=memcache.so" to php.ini
编辑php配置文件
vi /etc/php.ini
extension_dir = "/usr/lib64/php/modules/"
extension=memcache.so
ln -s /usr/lib/libevent-1.2.so.1 /usr/lib64/libevent-1.2.so.1
启动memcached
/usr/local/bin/memcached -d -m 10 -u root -l 192.168.10.109 -p 12000 -c 256 -P /tmp/memcached.pid
