Memcached 多进程启停脚本

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#!/bin/sh?
#?
#?Startup?script?for?the?server?of?memcached?
#?
#?processname:?memcached?
#?pidfile:?/etc/memcached/memcached.pid?
#?logfile:?/etc/memcached/memcached_log.txt?
#?memcached_home:?/etc/memcached?
#?chkconfig:?35?21?79?
#?description:?Start?and?stop?memcached?Service?
??
MEMCACHED_HOME=/etc/memcached?
export?LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$MEMCACHED_HOME/lib?
??
#?Source?function?library?
.?/etc/rc.d/init.d/functions?
??
RETVAL=0?
??
prog="memcached"?
basedir=/etc/memcached?
cmd=${basedir}/bin/memcached?
??
#?绑定侦听的IP地址?
ipaddr=`/sbin/ifconfig?eth0|sed?-n?'2p'|awk?'{print?$2}'|cut?-c?6-30`?
??
#?设置memcached启动参数?
port=11210???????????????????? #?服务端口基数，使用11210?+?i的方式?
threads=4????????????????????? #?在服务器上运行memcached进程的最大进程数?
user=`root`????????  ????????? #?运行程序的用户身份?
max_memory=128???????????????? #?default:?64M?|?最大使用内存?
max_simul_conn=1024????????????#?default:?1024?|?最大同时连接数?
#maxcon=51200?
#growth_factor=1.3???????????? #?default:?1.25?|?块大小增长因子?
#thread_num=6????????????????? #?default:?4?
#verbose="-vv"???????????????? #?查看详细启动信息?
#bind_protocol=binary????????? #?ascii,?binary,?or?auto?(default)?
start()?{?
????echo?-n?$"Starting?$prog:?"?
????for((i=1;i<=${threads};i++));do?
????????let?ServicePort=port+${i}?
????????pidfile="$basedir/${prog}${i}.pid"?
????????$cmd?-d?-m?$max_memory?-u?${user}?-l?$ipaddr?-p?${ServicePort}?-c?$max_simul_conn?-P?${pidfile}?
????done;?
????RETVAL=$??
????echo?
????[?$RETVAL?=?0?]?
}?
stop()?{?
????echo?-n?$"Stopping?$prog:?"?
????killproc?${cmd}?
????RETVAL=$??
????echo?
????[?$RETVAL?=?0?]?
}?
#?See?how?we?were?called.?
case?"$1"?in?
????start)?
????????start?
????????;;?
????stop)?
????????stop?
????????;;?
????restart)?
????????stop?
????????start?
????????;;?
????status)?
????????status?memcached?
????????;;?
????*)?
????????echo?"Usage:?$0?{start|stop|restart|status}"?
????????exit?1?
esac?
exit?$RETVAL

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