How memcached starts/stops in linux

In the current project, the start/end mode of memcached in linux is installed in/usr/local/bin by default. Go to the installation directory and start memcached:/usr/local/memcached/bin/memcached-d-c10240-m1024-uroot to get the running status...
How to start/end memcached in linux in the current project
By default, memcached is installed in/usr/local/bin.
Go to the installation directory and start memcached:/usr/local/memcached/bin/memcached-d-c 10240-m 1024-u root to get the running Status: echo stats | nc localhost 11211 (you can check the pid) or use ps-ef | grep memcached to stop memcached: kill-9 pid (-9 indicates force killing, pid is the process identifier)-d option is to start a daemon process,-m is the amount of memory allocated to Memcache, the unit is MB, where is 1024 MB, the default value is 64MB-u, which is the user who runs Memcache. here root-l is the IP address of the listening server. the default value is local-p, which is the port for setting Memcache listening. the default value is 11211, it is best to set port-c above 1024 to the maximum number of concurrent connections. the default value is 1024. here, 10240 is set to set according to the load of your server. -P is the location of the pid file for saving Memcache-h print help information-v output warning and error information-vv print client request and return information ps-ef | grep memcached (Command description) grep: function description: Searches for matching strings in the file. |: MPs queue command operator ps (process status): function description: Reports program status. Connect to memcached: telnet ip port, for example, telnet 192.168.100.11 11211stats to check the status. flush_all: Clear the basic command for viewing the memcached status in the cache. you can see the following information through this command: 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 64 operating system 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 number of previously opened connections STAT connection_structures 13 Number of connection structures allocated by the server STAT cmd_get 54 total number of get commands executed STAT cmd_set 34 total number of set commands executed STAT cmd_flush 3 total number of times flush_all commands STAT get_hits 9 get hits STAT get_misses 45 get misses STAT delete_misses 5 delete misses STAT delete_hits 1 delete hits STAT incr_misses 0 incr misses STAT incr_hits 0 incr hits STAT decr_misses 0 decr misses STAT decr_hits 0 decr hits 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 (bytes) STAT accepting_conns 1 currently accepts connections STAT listen_disabled_num 0 STAT threads 4 threads STAT conn_yields 0 STAT bytes 0 storage item byte count STAT curr_items 0 item count STAT total_items 34 total item count STAT evictions 0 is another example is to get the total number of items deleted from a space: start/End memcached-d-m 10-u root-l 192.168.0.122-p 11200-c 256-P/tmp/memcached. the pid-d option is to start a daemon.-m is the amount of memory allocated to Memcache. the unit is MB. Here 10 mb-u is the user who runs Memcache, here, root-l is the IP address of the listening server. if there are multiple IP addresses, the IP address 192.168.0.122-p is specified here to set the port for Memcache listening. here, 12000 is set, it is best to set port-c above 1024 to the maximum number of concurrent connections. the default value is 1024. here, 256 is set, set-P based on the load of your server to set the pid file kill 'cat/tmp/memcached to save Memcache. pid 'get running status echo stats | nc 192.168.1.123 11200 watch "echo stats | nc 192.168.1.123 11200" (real-time status)
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