Memcached安装部署

Memcached的安装过程和Redis安装差不多，是很十分简单。Memcached依赖libevent,安装Memcached需要先安装libevent。

# 安装libevent

libvent官网：http://libevent.org/ (opens new window)

# 下载安装包
wget https://github.com/libevent/libevent/releases/download/release-2.1.10-stable/libevent-2.1.10-stable.tar.gz
# 解压
tar zxvf libevent-2.1.10-stable.tar.gz
cd libevent-2.1.10-stable
# 配置编译参数
./configure --prefix=/usr/local/libevent/
# 编译
make
# 安装
sudo make install

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# 安装Memcached

memcached官网：https://memcached.org/ (opens new window)

# 下载安装包
wget https://memcached.org/files/memcached-1.5.16.tar.gz(依赖libevent) 
# 解压
tar zxvf memcached-1.5.16.tar.gz
cd memcached-1.5.16
# 配置编译参数
./configure  --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent
# 编译
make
# 安装
sudo make install

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# Memcached管理脚本

一般启动memcached命令如下(示例):

/usr/local/memcached/bin/memcached -d -m 25000 -u memcached -l 127.0.0.1 -p 12121 -u www-data -P /tmp/memcached.pid

如果每次都这样启动就比较麻烦，所以按照习惯还是写了个快速启动脚本，实现service start/stop这样的管理模式。

#!/bin/bash 
# 快速启动memcached脚本
# 
EXEC=/usr/local/memcached/bin/memcached 
PORT=11211
MEM=1024
IP=127.0.0.1
USER=www-data
PIDFILE=/usr/local/memcached/tmp/memcached.pid

case "$1" in 
    start) 
        if [ -f $PIDFILE ] 
        then 
            echo "$PIDFILE exists, process is already running or crashed" 
        else
            echo "Starting memcached ..." 
            $EXEC -d -m $MEM -u $USER -l $IP -p $PORT -P $PIDFILE
        fi 
        ;; 
    stop) 
        if [ ! -f $PIDFILE ] 
        then 
                echo "$PIDFILE does not exist, process is not running" 
        else 
                PID=$(cat $PIDFILE) 
                kill $PID
                rm -f $PIDFILE
                while [ -x /proc/${PID} ] 
                do 
                    echo "Waiting for memcached to shutdown ..." 
                    sleep 1 
                done 
                echo "memcached stopped" 
        fi 
        ;; 
    *) 
        echo "Please use start or stop as first argument" 
        ;; 
esac

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将脚本命名为memcached,保存到/usr/sbin目录下，后面我们就可以通过如下命令管理memcached了：

启动: sudo memcached start
关闭: sudo memcached stop

#Memcache

上次更新: 2022/12/01, 11:09:34

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