memcached compile installation and simple operation

memcached cheap installation needs to rely on

Yum-y Install libevent-devel PHP open memcached extension needs to rely on Libmemcached-devel

./configure--prefix= Path--enable-64bit

Make && make install

Pecl install memcached in the bin directory of PHP

memecached start

./memcached-d-c1024-m 64m-u Nobody

-D Daemon Mode

-M allocated to memcached using memory space default unit m

-U memcached Users

The IP address of the-L listener service

-P Boot Port

-C Maximum concurrency default 1024

-P PID Storage Path

Connecting to memcached:  requires installing the Telnet tool yum-y install telnettelnet IP port, such as Telnet 192.168.100.11 11211stats view status, Flush_all: Clear cache to view the memcached status of the basic command, through this command can see the following information: STAT PID 22459                             process Idstat uptime 1027046                         Server run seconds stat time 1273043062                       Server Current UNIX timestamp stat version 1.4.4                         Server version stat Pointer_size                       operating system word size (this server is 64-bit) STAT Rusag E_user 0.040000                   Process Cumulative User Time stat Rusage_system 0.260000   & nbsp             Process cumulative system time stat curr_connections                   Current Open Connections StAt Total_connections                   The total number of connections that have been opened stat Connection_structures 1 3               Server-Allocated connection structure stat Cmd_get  ,           &NB Sp               Execute get command count stat cmd_set                             Execute SET command count stat Cmd_flush 3                           point to Flush_all total number of commands stat get_hits 9                            get hit count stat get_misses             &NBSP ;           Get misses stat delete_misses 5                 &N Bsp     Delete misses stat delete_hits 1                       nbsp Delete LifeFrequency stat incr_misses 0                         INCR misses stat in Cr_hits 0                           INCR number of hits stat Decr_mis SES 0                         DECR number of misses stat decr_hits 0                           DECR hit count stat cas_misses 0   &nbs P                      cas number of misses stat cas_hits 0       & nbsp                    cas hit count stat cas_badval 0                           Use wipe count stat auth_cmds 0STAT auth_errors 0STAT bytes_read 1578 5                       Read Bytes total stat bytes_written 15222                  Write bytes total stat limit_maxbytes 1048576             &NBS p; Amount of memory allocated (bytes) Stat Accepting_conns 1                     Current number of links received stat list En_disabled_num 0                stat Threads 4                             Number of threads stat conn_yields 0STAT bytes 0       &NB Sp                       Store Item bytes Stat Curr_items 0     &NBS P                    item number stat total_items                        item Total stat evictions 0             & nbsp             The total number of deleted item for get space   Another example: Start/End memcached-d-M 10-u root-l 192.168.0.122-p 1 1200-C 256 The-p/tmp/memcached.pid-d option is to start a daemon,-M is the amount of memory allocated to Memcache, in megabytes, where 10mb-u is the user running memcache, here is Root-l is the server IP address of the listener, If there are more than one address, this specifies the server's IP address 192.168.0.122-p is set memcache listening port, here set 12000, preferably more than 1024 port-C option is the maximum number of concurrent connections, the default is 1024, here set 256 , according to the load of your server to set-P is set to save memcache pid file Kill ' Cat/tmp/memcached.pid '   get run status echo stats | NC 192.168.1.123 11200watch "echo Stats | NC 192.168.1.123 11200 "(real-time status)

Memcached compile installation and simple actions