Linux setup memcached boot up

memcached Boot Mode

Method One:

Append the start command to the/etc/rc.d/rc.local file

/usr/local/memcached/bin/memcached-u root-d-M 2048-l 192.168.137.99-p 11211-p/tmp/memcached.pid

You can also specify no IP, which is native by default, such as

/usr/local/memcached/bin/memcached-u deamon-d-M 2048-p 11211-p/tmp/memcached.pid

The user is preferably Apache or Deamon

Method Two:

#写服务脚本

View Source print?

1	vim /etc/init.d/memcached

Paste the following code

View Source print?

01

#!/bin/sh

02

#

03	# memcached:    MemCached Daemon

04

#

05	# chkconfig:    - 90 25

06	# description:  MemCached Daemon

07

#

08	# Source function library.

09

10	. /etc/rc.d/init.d/functions

11	. /etc/sysconfig/network

12

13	#[ ${NETWORKING} = "no" ] && exit 0

14	#[ -r /etc/sysconfig/dund ] || exit 0

15	#. /etc/sysconfig/dund

16	#[ -z "$DUNDARGS" ] && exit 0

17

18	MEMCACHED="/usr/local/memcached/bin/memcached"

19	SERVER_IP="192.168.137.98"

20	SERVER_PORT="11211"

21

22	[ -f $MEMCACHED ] || exit1

23

24

start()

25

{

26	echo-n $"Starting memcached: "

27	daemon $MEMCACHED -u daemon -d -m 2048 -l $SERVER_IP -p $SERVER_PORT -P /tmp/memcached.pid

28

echo

29

}

30

stop()

31

{

32	echo-n $"Shutting down memcached: "

33	killproc memcached

34

echo

35

}

36

37	# See how we were called.

38	case"$1" in

39

start)

40

start

41

;;

42

stop)

43

stop

44

;;

45

restart)

46

stop

47

sleep3

48

start

49

;;

50

*)

51	echo$"Usage: $0 {start|stop|restart}"

52

exit1

53

esac

54

exit0

#设置启动服务

View Source print?

1	chmod755 /etc/init.d/memcached  #增加执行权限

2	chkconfig --add memcached  #添加memcached到服务项

3	chkconfig --level 2345 memcached on #设置开机启动

4	chkconfig --list memcached  #查看是否设置成功

#服务管理命令

View Source print?

1	service memcached start   # 启动memcached

2	service memcached stop   # 关闭memcached

3	service memcached restart   # 重启memcached

memcached Start Parameter Description:

The-D option is to start a daemon,
-M is the amount of memory allocated to Memcache, in megabytes, default 64MB
-M return error on memory exhausted (rather than removing items)
-U is the user running memcache, and if it is currently root, you need to specify the user with this parameter.
-L is the server IP address of the listener, which defaults to all network cards.
-P is the port that sets the TCP listener for memcache, preferably a port above 1024
The-c option is the maximum number of concurrent connections that are running, by default 1024
-P is a PID file that is set to save Memcache
-F <factor> Chunk size growth factor (default:1.25)
-I Override the size of each slab page. Adjusts max item size (new 1.4.2 version)
You can also start multiple daemons, but the ports cannot be duplicated

-P Specify port number (default 11211)
-m Specifies maximum memory size (default 64MB, Max 2G)
-T thread count (default 4)

-L connected IP address, default is native
-D Start memcached Service (default = Start)
-D Restart Restart memcached service
-D Stop|shutdown Close the running memcached service
-d Uninstall Uninstall memcached service
-m maximum memory usage, in megabytes. Default 64MB
-M running out of memory and returning an error instead of deleting an item
-c Maximum number of simultaneous connections, default is 1024
-F Block size growth factor, default is 1.25
-N Minimum allocated space, key+value+flags default is 48
-H Display Help

Linux setup memcached boot up