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memcache&redis构建缓存服务器（3） Memcached编译安装

 2 years ago
source link: https://blog.51cto.com/u_15630500/5389440
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下载编译安装包

​ ​https://github.com/memcached/memcached/wiki/ReleaseNotes​​

yum -y install gcc gcc-c++ make cmake autoconf libtool libevent libevent-devel

tar -xvf memcached-1.6.15.tar.gz 
cd memcached-1.6.15
./configure --prefix=/usr/local/memcached
make
make install



配置环境变量



编辑/etc/profile文件，/usr/local/memcached/bin添加到环境变量中



export PATH="$PATH:/usr/local/memcahed/bin"



添加后执行source /etc/profile使修改立即生效



systemctl管理memcached



创建一个memcached用户，专门用来管理memcached服务
useradd memcached -s /sbin/nologin -M



memcached安装目录下创建一个配置文件，添加我们自己的个人配置

创建配置目录
mkdir /usr/local/memcached/conf
touch /usr/local/memcached/conf/memcached

修改文件所属用户和组
chown -R memcached:memcached /usr/local/memcached/conf/memcached

在/usr/local/memcached/conf/memcached文件中添加如下内容
PORT="11211"
USER="memcached"
MAXCONN="1024"
CACHESIZE="64"
OPTIONS=""



/usr/lib/systemd/system/目录下创建一个memcached.service文件
touch /usr/lib/systemd/system/memcached.service



memcached.service添加如下内容(就是把yum方式的EnvironmentFile和启动路径改了)

[Unit]
Description=Memcached 
Before=httpd.service
After=network.target

[Service]
Type=simple
EnvironmentFile=-/usr/local/memcached/conf/memcached
ExecStart=/usr/local/memcached/bin/memcached -u $USER -p $PORT -m $CACHESIZE -c $MAXCONN $OPTIONS

[Install]
WantedBy=multi-user.target



扫描新的或有变动的单元
systemctl daemon-reload



开机自启
systemctl enable memcached.service # 设置开机自启
systemctl disable memcached.service # 取消开机自启服务



lsof -i:11211  查看Memcached服务
COMMAND     PID      USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
memcached 10037 memcached   22u  IPv4 598751      0t0  TCP *:memcache (LISTEN)
memcached 10037 memcached   23u  IPv6 598752      0t0  TCP *:memcache (LISTEN)



使用memcached的原始命令



yum install telnet
telnet  127.0.0.1  11211
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.

set name 0 900 5
xulei
STORED

get name
VALUE name 0 5
xulei
END



set name 0 900 5   //设置名称为name的key




name	key的名字 自己定义




  • 0       key的id号，需要和其他的key不一样
  • 900    缓存过期时间,单位为秒，0为永远
  • 5       字符串最大长度



xulei      //给name的值



  • 看见STORED说明存储成功



get name   //查询key为name的值



WEB集群+memcached



需要安装memcache客户端（php-memcached扩展包）



PHP Memcache 扩展包下载地址：http://pecl.php.net/package/memcache，你可以下载最新稳定包(stable)。
wget http://pecl.php.net/get/memcache-2.2.7.tgz               
tar -zxvf memcache-2.2.7.tgz
cd memcache-2.2.7
/usr/local/php/bin/phpize   //注意：笔记中是编译安装php。YUM 安装的路径不同
./configure --with-php-config=/usr/local/php/bin/php-config  //注意：是编译安装php。YUM 安装的路径不同
make && make install

        

        

            

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