Memcached是一个自由开源的，高性能，分布式内存对象缓存系统.
安装Memcached
- 环境：Ubuntu Xenial 16.04 (LTS)
For Debian or Ubuntu:
sudo apt-get install memcached
For Redhat/Fedora:
yum install memcached
从源码安装:
sudo apt-get install libevent-dev
或
yun install libevent-devel
wget https://memcached.org/latest
[you might need to rename the file]
tar -zxf memcached-1.x.x.tar.gz
cd memcached-1.x.x
./configure --prefix=/usr/local/memcached
make && make test && sudo make install