Memcached安装

libevent 简介

  libevent是为了取代事件循环发现在事件驱动的网络服务器。一个应用程序只需要调用event_dispatch(),然后添加或删除事件动态而无需更改事件循环。
  libevent 与memcached 的关系？
  libevent 下载地址：https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz

libevent 安装

  wget https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz
  tar zxvf libevent-2.0.21-stable.tar.gz
  cd libevent-2.0.21-stable
  ./configure --prefix=/usr
  make&make install

输入以下命令，查看是否有目录列出（检查是否安装成功)

  ls -al /usr/lib | grep libevent

Libmemcached安装

安装代码

wget https://launchpad.net/libmemcached/1.0/1.0.18/+download/libmemcached-1.0.18.tar.gz
tar zxvf libmemcached-1.0.18.tar.gz
cd libmemcached-1.0.18
./configure --prefix=/usr/local/webserver/libmemcached  --with-memcached
make && make install

异常状况处理

这里make需要g++支持，如果报错缺少g++请根据操作系统执行以下代码，并删除目录重新configure、make：

CentOS:
sudo yum install g++

Ubuntu:
sudo apt-get install g++

memcached安装

安装代码

wget http://www.memcached.org/files/memcached-1.4.17.tar.gz
tar xvf memcached-1.4.17.tar.gz
cd memcached-1.4.17
./configure --prefix=/usr/local/webserver/memcached --with-libevent=/usr
make
make install

运行代码

/usr/local/webserver/memcached/bin/memcached -d -m 2048  -u root  -p 12111 -c 1024 -P /tmp/memcached.pid

php的扩展memcached的安装

安装代码

tar zxvf memcached-1.0.2.tar.gz
cd memcached-1.0.2
#请根据实际情况自行运行phpize
/usr/local/webserver/php/bin/phpize
#请根据实际情况自行调整参数路径
./configure --enable-memcached --with-php-config=/usr/local/webserver/php/bin/php-config --with-libmemcached-dir=/usr/local/webserver/libmemcached --prefix=/usr/local/webserver/memcached  --with-memcached --disable-memcached-sasl
make && make install

当出现如下内容时，代表安装成功

Installing shared extensions:     /usr/local/webserver/php/lib/php/extensions/no-debug-non-zts-20090626/

php.ini文件中加入如下内容：

extension=memcached.so

phpinfo()页面出现如下内容