memcached Linux Install and start memcached

Linux download libevent-devel because of dependencies

Yum Install Libevent-devel

memcached official website Download path

Https://memcached.org/downloads

Download memcached Client

Then unzip it, modify the folder name: memcached, the version number is removed, in order to facilitate the operation

Extract to:/usr/local/

Cd/usr/local/memcached

./configure && make && make test && sudo make install

memcached Basic settings for :
1. start the server side of the Memcache :
/usr/local/bin/memcached-d-M 10-u root-l 192.168.229.129-p 12000-c 256-p/tmp/memcached.pid

/usr/local/bin/memcached-d-M 100-u root-l 127.0.0.1-p 12000-c 300

/usr/local/bin/memcached -d-m 128-p 11111-u Root

- Doption is to start a daemon,
-Mis assigned toMemcacheThe amount of memory used, in units ofMB, I am here10MB，
-Uis runMemcacheThe user, I am hereRoot，
-LIs the server that listensIPAddress, if there are multiple addresses, I specify the server'sIPAddress192.168.229.129，
-Pis setMemcacheListen to the port, I set it up here12000, it is best1024x768Above the port,
-Coption is the maximum number of concurrent connections that are run, by default1024x768, I have set up here the, set according to the load on your server,
-Pis the settings saveMemcacheOfPIDfile that I'm here is saved in/tmp/memcached.pid，

2. If you want to end the Memcache process, execute:

# Kill ' Cat/tmp/memcached.pid '

You can also start multiple daemons, but the ports cannot be duplicated.

3. Restart Apache,service httpd restart

Get Run status

Ps-ef | grep memcached

Connect to memcached:

Telnet IP port, such as Telnet 192.168.100.11 11211

Stats View status, Flush_all: Clear Cache

To view the basic commands for the memcached status, this command allows you to see the following information:

STAT PID 22459 Process ID

STAT uptime 1027046 server running seconds

STAT time 1273043062 Server current UNIX timestamp

STAT version 1.4.4 Server version

STAT pointer_size 64 OS Word size (this server is 64-bit)

STAT rusage_user 0.040000 Process Cumulative User Time

STAT rusage_system 0.260000 Process Cumulative system time

STAT curr_connections 10 Number of currently open connections

STAT total_connections 82 Total connections that were opened

STAT connection_structures 13 Number of connection structures allocated by the server

STAT cmd_get 54 Execute Get Command Total

STAT Cmd_set 34 Execute SET command total

STAT Cmd_flush 3 points to the total number of FLUSH_ALL commands

STAT get_hits 9 Get hit count

STAT get_misses number of Get misses

STAT delete_misses 5 Delete misses

STAT delete_hits 1 Delete hit count

STAT incr_misses 0 incr number of misses

STAT incr_hits 0 incr hit count

STAT decr_misses 0 decr number of misses

STAT decr_hits 0 DECR hit count

STAT cas_misses 0 CAs misses

STAT cas_hits 0 CAs hit count

STAT Cas_badval 0 Use wipe count

STAT Auth_cmds 0

STAT auth_errors 0

STAT bytes_read 15785 Read Bytes total

STAT bytes_written 15222 Write Bytes Total

STAT limit_maxbytes 1048576 Allocated memory number (bytes)

STAT Accepting_conns 1 Number of links currently accepted

STAT Listen_disabled_num 0

STAT Threads 4 Thread Count

STAT Conn_yields 0

STAT bytes 0 Stores the item byte number

STAT Curr_items 0 Item number

STAT total_items Total number of item

STAT evictions 0 To get the total amount of space deleted item

This article is from the "Green Years" blog, be sure to keep this source http://alex233.blog.51cto.com/8904951/1860255

memcached Linux Install and start memcached