1、下载应用
http://memcached.org/
2、安装libevent
yum install libevent.x86_64 libevent-devel.x86_64
3、安装memcached服务
./configure --prefix=/opt/memcached make&&make install
4、启动服务
/opt/memcached/bin/memcached -u mysql -d
5、出错处理：
/opt/memcached/bin/memcached: error while loading shared libraries: libevent-2.0.so.5: cannot open shared object file: No such file or directory
解决方法：
ln -s /usr/local/lib/libevent-1.4.so.2 /lib/libevent-1.4.so.2
64位机：
ln -s /usr/local/lib/libevent-1.4.so.2 /lib64/libevent-1.4.so.2