1.15. Memcached stats command

1.15.1. Syntax: ¶

The stats basic syntax format of the command is as follows:

stats

1.15.2. Example ¶

In the following example, we used the stats command to output Memcachedservice information.

stats
STAT pid 1162
STAT uptime 5022
STAT time 1415208270
STAT version 1.4.14
STAT libevent 2.0.19-stable
STAT pointer_size 64
STAT rusage_user 0.096006
STAT rusage_system 0.152009
STAT curr_connections 5
STAT total_connections 6
STAT connection_structures 6
STAT reserved_fds 20
STAT cmd_get 6
STAT cmd_set 4
STAT cmd_flush 0
STAT cmd_touch 0
STAT get_hits 4
STAT get_misses 2
STAT delete_misses 1
STAT delete_hits 1
STAT incr_misses 2
STAT incr_hits 1
STAT decr_misses 0
STAT decr_hits 1
STAT cas_misses 0
STAT cas_hits 0
STAT cas_badval 0
STAT touch_hits 0
STAT touch_misses 0
STAT auth_cmds 0
STAT auth_errors 0
STAT bytes_read 262
STAT bytes_written 313
STAT limit_maxbytes 67108864
STAT accepting_conns 1
STAT listen_disabled_num 0
STAT threads 4
STAT conn_yields 0
STAT hash_power_level 16
STAT hash_bytes 524288
STAT hash_is_expanding 0
STAT expired_unfetched 1
STAT evicted_unfetched 0
STAT bytes 142
STAT curr_items 2
STAT total_items 6
STAT evictions 0
STAT reclaimed 1
END

A lot of status information is shown here, and each status item is explainedin detail below:

• pid : memcache server process ID

• uptime :Number of seconds the server has been running

• time :The server’s current Unix timestamp

• version : memcache version

• pointer_size :Operating system pointer size

• rusage_user :Process accumulates user time

• rusage_system :Process accumulates system time

• curr_connections :Current number of connections

• total_connections total number of connections since Memcached was run

• connection_structures number of connection structures assigned by Memcached

• cmd_get : get number of command requests

• cmd_set : set number of command requests

• cmd_flush : flush number of command requests

• get_hits : get number of command hits

• get_misses : get number of misses of command

• delete_misses : delete number of misses of command

• delete_hits : delete number of command hits

• incr_misses : incr number of misses of command

• incr_hits : incr number of command hits

• decr_misses : decr number of misses of command

• decr_hits : decr number of command hits

• cas_misses : cas number of misses of command

• cas_hits : cas number of command hits

• cas_badval :Number of times to use wiping

• auth_cmds :The number of times the authentication command was processed

• auth_errors :Number of authentication failures

• bytes_read :Read the total number of bytes

• bytes_written :Total number of bytes sent

• limit_maxbytes :Total allocated memory size (bytes)

• accepting_conns :Whether the server has reached the maximum connection (0lap1)

• listen_disabled_num :Number of monitors that have failed

• threads :Current number of threads

• conn_yields :Number of active abandonments of connection operations

• bytes :Number of bytes currently occupied by storage

• curr_items :Total number of data currently stored

• total_items :Total number of data stored since startup

• evictions :Number of objects released by LRU

• reclaimed :The number of expired data entries to store new data