memcached Startup parameters and stats command descriptions

How to start/End the memcached under Linux in the current project
By default, memcached is installed under/usr/local/bin.
Go to the installation directory, start memcached:/usr/local/memcached/bin/memcached-d-c 10240-m 1024-u root get running status: Echo Stats | NC localhost 11211 (can view the PID) or use Ps-ef|grep memcached  stop memcached:kill-9 pid   (-9 for forced kill, PID for process identifier)-D option is Move a daemon,-M is allocated to memcache use of memory, the unit is MB, here is 1024MB, the default is 64mb-u is running memcache user, here is the root-l is the server IP address of the listener, the default should be native-p is set Memcache listening port, the default is 11211, preferably more than 1024 of the port-C option is the maximum number of concurrent connections, the default is 1024, here set 10240, according to the load of your server set-P is set to save memcache PID file Location- H Print Help information-V Output warning and error message-VV Print client request and return information   ps-ef|grep memcached (command description)   grep: Function Description: Find a string in the file that matches the criteria. |: Pipe command operator PS (pro Cess status): Function Description: Report the status of the program.   Another example: Start/End memcached-d-M 10-u root-l 192.168.0.122-p 11200-c 256-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, where root-l is the server IP address of the listener, and if there are multiple addresses, the IP address of the server is specified 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 set-P is set to save memcache PID file Kill ' Cat/tmp/memcached.pid '----------------------------------------------Connect to memcached:telnet IP ports, such as Telnet 192.168.100.11 11211 stats View status, Flush_all: Clear Cache To view the basic commands for the memcached status, you can see the following information in this command: STAT pid 22459                     &N Bsp       Process ID STAT uptime 1027046                         Server run seconds STAT time 1273043062                       Server current Unix Timestamp stat version 1.4.4                         Server version stat Poin Ter_size                       operating system word size (this server is 64-bit) STAT Rusage_u Ser 0.040000                   Process Cumulative user Time STAT Rusage_system 0.260000   &NB Sp             Process cumulative system time STAT curr_connections             &NBSP ;     Current open connections STAT totAl_connections                   The total number of connections that have been opened STAT Connection_structures &NB Sp             server-assigned connection structure STAT cmd_get  ,             &NBS P             Execute get command total STAT cmd_set,                             Execute SET command count STAT Cmd_flush 3             &NBS P           point to Flush_all total number of commands STAT get_hits 9                          get hit count STAT get_misses               &NBS P       Get misses STAT delete_misses 5                   nbsp   Delete misses STAT delete_hits 1                         DeletE hit count STAT incr_misses 0                         INCR misses STA T incr_hits 0                           INCR number of hits STAT Dec R_misses 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                            cas hit count STAT cas_badval 0                           Use wipe count stat Auth_cmds 0 Stat auth_errors 0 ST At Bytes_read 15785                       Read Bytes total STAT bytes_written 15222     &nbsp             Write bytes total STAT limit_maxbytes 1048576           &NB Sp   Allocated memory (bytes) STAT Accepting_conns 1                     Current number of links received STA T Listen_disabled_num 0                 STAT Threads 4                             Number of threads stat conn_yields 0 Stat bytes 0     & nbsp                         Store Item bytes STAT curr_items 0   &NB Sp                      item number STAT total_items     &NBSP ;                  item Total STAT evictions 0           & nbsp               to get the total amount of space deleted item    get running status echo stats | NC 192.168.1.123 11200 Watch "Echo stats | NC 192.168.1.123 11200 "(real-time status)