Beta Branch update memcached init.d start up script template

eva2000 · May 29, 2015

update memcached init.d start up script template
take into account when kill -9 fails to kill an exited memcached pid file
or when the memcached process is down but pid file still exists

Continue reading...

123.08beta03 branch

Branch: https://github.com/centminmod/centminmod/tree/123.08beta03

Commit History: https://github.com/centminmod/centminmod/commits/123.08beta03

* 123.08beta03 branch is the merging of the 3 branches - .08 beta 02 + 123.08lua + 123.08livestats so the new beta has both Nginx Lua + LuaJIT support + new Nginx vhost traffic statistics

rdan · May 29, 2015

I can just replace my /etc/rc.d/init.d/memcached file with this updated code?
https://raw.githubusercontent.com/centminmod/centminmod/123.08beta03/config/memcached/memcached

I just did a comparison and a lot has changed compared to my current copy.

eva2000 · May 29, 2015

yeah can replace

rdan · May 29, 2015

Done, and restart successfully
# service memcached restart
Memcached server stopped
Memcached server already running

eva2000 · May 29, 2015

RoldanLT said: ↑

Done, and restart successfully
# service memcached restart
Memcached server stopped
Memcached server already running
Click to expand...

should say started instead of already running..try another

service memcached restart

and see

rdan · May 30, 2015

Aw, same output :/

# service memcached restart
Memcached server stopped
Memcached server already running

eva2000 · May 30, 2015

try

Code:

rm -rf /var/run/memcached/memcached1.pid
service memcached restart
service memcached restart

what happens

rdan · May 30, 2015

Looks like the same:

# rm -rf /var/run/memcached/memcached1.pid
[root@server ~]# service memcached restart
Memcached server stopped
Memcached server already running
[root@server ~]# service memcached restart
Memcached server stopped
Memcached server already running
[root@server ~]#
Click to expand...

rdan · May 30, 2015

Here's my previous memcached file by the way:

#!/bin/sh
# chkconfig: - 80 12
# description: The memcached daemon is a network memory cache service.
# processname: memcached
BINNAME=memcached
BIN=/usr/local/bin/memcached
USER=nobody
LOGGING='n'
LOGFILE="/var/log/memcached.log"
LOGFILEB="/var/log/memcached2.log"
CON=2048
BACKLOG=2048
MAXREQ=200
THREADS=4
MINSP=72
CHUNKF=1.25
PORT1=11211
PORT2=11212
SOCKET_ENABLE=n
SOCKETA='-s /var/run/memcached/memcached1.sock -a 0755'
SOCKETB='-s /var/run/memcached/memcached2.sock -a 0755'
MEMSIZE=2048
SERVERCOUNT=1
SERVERIP='127.0.0.1'
OPTIONS='-o slab_reassign,slab_automove'

if [ -f /proc/user_beancounters ]; then
ulimit -s 256
fi

if [ ! -d /var/run/memcached/ ]; then
mkdir -p /var/run/memcached/
chmod 755 /var/run/memcached/
chown nobody:nobody /var/run/memcached/
fi

if [[ "$SOCKET_ENABLE" = [yY] ]]; then
METHODA="$SOCKETA"
METHODB="$SOCKETB"
else
METHODA="-l $SERVERIP -p $PORT1"
METHODB="-l $SERVERIP -p $PORT2"
fi

DEBUG='n'
CPUSET='n'
#############################

processcheck() {
PROCESS=$(ps ax | grep memcached | grep -Ev '(grep|memcached status|memcached start|memcached stop|memcached restart|memcached_reinstall)')
CHECKM=${PROCESS:-nomemcached}
}

setcpu() {
if [ "$CPUSET" == 'y' ]; then
CORECHECK=$(taskset -pc $(pidof $BINNAME) | awk -F ': ' '{print $2}' | awk -F ',' '{print $3}')
if [ "$CORECHECK" == '3' ]; then
taskset -pc 3 $(pidof $BINNAME) 2>&1 >/dev/null
fi
fi
}

twomem() {
processcheck

if [ "$DEBUG" == 'y' ]; then
echo $CHECKM
fi

if [[ "$CHECKM" == 'nomemcached' ]]; then
echo "Memcached server started "
if [[ "$LOGGING" = [yY] ]]; then
$BIN -d -m $MEMSIZE $METHODA -c $CON -b $BACKLOG -R $MAXREQ -t $THREADS -n $MINSP -f $CHUNKF -u $USER $OPTIONS -vv > $LOGFILE 2>&1
$BIN -d -m $MEMSIZE $METHODB -c $CON -b $BACKLOG -R $MAXREQ -t $THREADS -n $MINSP -f $CHUNKF -u $USER $OPTIONS -vv > $LOGFILEB 2>&1
else
$BIN -d -m $MEMSIZE $METHODA -c $CON -b $BACKLOG -R $MAXREQ -t $THREADS -n $MINSP -f $CHUNKF -u $USER $OPTIONS
$BIN -d -m $MEMSIZE $METHODB -c $CON -b $BACKLOG -R $MAXREQ -t $THREADS -n $MINSP -f $CHUNKF -u $USER $OPTIONS
fi
else
echo "Memcached server already running "
fi

}

onemem() {
processcheck

if [ "$DEBUG" == 'y' ]; then
echo $CHECKM
fi

if [[ "$CHECKM" == 'nomemcached' ]]; then
echo "Memcached server started "
if [[ "$LOGGING" = [yY] ]]; then
$BIN -d -m $MEMSIZE $METHODA -c $CON -b $BACKLOG -R $MAXREQ -t $THREADS -n $MINSP -f $CHUNKF -u $USER $OPTIONS -vv > $LOGFILE 2>&1
else
$BIN -d -m $MEMSIZE $METHODA -c $CON -b $BACKLOG -R $MAXREQ -t $THREADS -n $MINSP -f $CHUNKF -u $USER $OPTIONS
fi
else
echo "Memcached server already running "
fi
}

mstart() {
if [ "$SERVERCOUNT" == '2' ]; then
twomem
elif [ "$SERVERCOUNT" == '1' ]; then
onemem
setcpu
fi
}

mstop() {
processcheck

if [ "$DEBUG" == 'y' ]; then
echo $CHECKM
fi

if [[ "$CHECKM" != 'nomemcached' ]]; then
echo "Memcached server stopped "
kill -9 $(pidof $BINNAME) 2>/dev/null
else
echo "Memcached server already stopped "
fi
}

mstatus() {
processcheck

if [ "$DEBUG" == 'y' ]; then
echo $CHECKM
fi

if [[ "$CHECKM" == 'nomemcached' ]]; then
echo "Memcached server not running "
else
echo "Memcached server is running "
fi
}

#############################

if [[ "$SERVERCOUNT" == '2' && ! "$1" ]]; then
twomem
elif [[ "$SERVERCOUNT" == '1' && ! "$1" ]]; then
onemem
setcpu
#echo "1=${1} 2=${2}" #debug
fi

case "$1" in
start)

mstart

;;
stop)

mstop

;;
restart)

mstop
sleep 2
mstart

;;
status)

mstatus

;;
esac
Click to expand...

eva2000 · May 30, 2015

RoldanLT said: ↑

Looks like the same:
Click to expand...

must be a stubborn process try
Code:
kill -9 $(pidof memcached)
service memcached restart

rdan · May 30, 2015

Looks fine now?

# kill -9 $(pidof memcached)
[root@server ~]# service memcached restart
Memcached server started
[root@server ~]# service memcached restart
Memcached server stopped
Memcached server started
Click to expand...

eva2000 · May 30, 2015

yeah looks good now

made another update for .08 beta 03 for this update init.d/memcached templates · centminmod/centminmod@b3d941f · GitHub

rdan · May 30, 2015

Same, just replace my file content?

eva2000 · May 30, 2015

yup

rdan · May 30, 2015

Restarted again, looks normal now .

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