將Memcached作為服務自動啟動

通常：啟動memcache的伺服器端的命令為：

/usr/local/bin/memcached -d -m 256 -u root -l 127.0.0.1 -p 12000 -c 2048 -p /tmp/memcached.pid

在/etc/rc.d/rc.local中加入一行，上面命令，最好選擇是：nobody 或 deamon

-d選項是啟動乙個守護程序， -m是分配給memcache使用的記憶體數量，單位是mb，我這裡是10mb， -u是執行memcache的使用者，我這裡是root， -l是監聽的伺服器ip位址，如果有多個位址的話，我這裡指定了伺服器的ip位址192.168.0.200， -p是設定memcache監聽的埠，我這裡設定了12000，最好是1024以上的埠， -c選項是最大執行的併發連線數，預設是1024，我這裡設定了256，按照你伺服器的負載量來設定，

-p是設定儲存memcache的pid檔案，我這裡是儲存在 /tmp/memcached.pid，

2、寫成指令碼，作為服務

#!/bin/sh
## memcached startup script for memcached processes
## chkconfig: - 90 10
# description: memcache provides fast memory based storage.
# processname: memcached
# date: 2015-08-08
# author: [email protected]
. /etc/rc.d/init.d/functions
. /etc/sysconfig/network
ipaddr=`/sbin/ifconfig eth0 | awk -f ':' '/inet addr/' | sed 's/[a-za-z ]//g'`
memcached="/usr/local/bin/memcached"
prog=$(basename $memcached)
port=12000
user=root
memory=256
pid="/tmp/memcached.pid"
conn=2048
lockfile="/var/lock/subsys/memcached"
retval=0
[ -x $memcached ] || exit 0
start() 
echo 
return $retval
}stop() 
reload() 
case "$1" in
start)
start
;;stop)
stop
;;reload)
reload
;;restart)
stop
start
;;condrestart)
if test "x`pidof memcached`" != x; then
stop
start
fi;;
*)echo $"usage: $0 "
exit 1
esac
exit $retval
#chmod +x /etc/init.d/memcached
#chkconfig --add memcached
#chkconfig memcached on

3、附上 memcached 的安裝過程

cd /usr/loca/src wget

wget

2）安裝libevent

cd /usr/loca/src tar zxvf libevent-2.0.22-stable.tar.gz cd libevent-2.0.22-stable ./configure --prefix=/usr/local/libevent

make && make install

3）測試libevent

ls -al /usr/lib | grep libevent

4）安裝memcached

cd /usr/loca/src tar zxvf memcached-1.4.24.tar.gz cd memcached-1.4.24 ./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent/

make && make install

5）測試是否安裝成功

ls -al /usr/local/bin/mem*

6）安裝libmemcached

cd /usr/local/src wget tar zxvf libmemcached-0.42.tar.gz cd libmemcached-0.42 ./configure --prefix=/usr/local/libmemcached --with-memcached

make && make install

7）php安裝memcached擴充套件

pecl install memcached

或者

cd /usr/local/src wget tar zxf memcached-2.2.0.tgz cd memcached-2.2.0 phpize ./configure --enable-memcached --with-libmemcached-dir=/usr/local/libmemcached make && make install echo extension=memcached.so > /etc/php.d/memcached.ini

service php-fpm reload

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