There are many different commands that return counters and settings of Memcached server. These can be inspected through a large array of tools or simply by telnet or netcat.
These commands are:
Memcached - Stats
Memcached stats (Statistics) is a command that is used to return server statistics such as PID, version, connections, etc.
Example in Ubuntu
Example in Windows
Stats using Java Application
To get the stats from the Memcached server, we have to use the Memcached stats() method.
Connection to server successful Stats:[/127.0.0.1:11211:[delete_hits:0, bytes:71, total_items:4, rusage_system:0.220013, touch_misses:0, cmd_touch:0, listen_disabled_num:0, auth_errors:0, evictions:0, version:1.4.14, pointer_size:64, time:1417279366, incr_hits:1, threads:4, expired_unfetched:0, limit_maxbytes:67108864, hash_is_expanding:0, bytes_read:170, curr_connections:8, get_misses:1, reclaimed:0, bytes_written:225, hash_power_level:16, connection_structures:9, cas_hits:0, delete_misses:0, total_connections:11, rusage_user:0.356022, cmd_flush:0, libevent:2.0.19-stable, uptime:12015, reserved_fds:20, touch_hits:0, cas_badval:0, pid:1138, get_hits:2, curr_items:1, cas_misses:0, accepting_conns:1, evicted_unfetched:0, cmd_get:3, cmd_set:2, auth_cmds:0, incr_misses:1, hash_bytes:524288, decr_misses:1, decr_hits:1, conn_yields:0]]