[MediaWiki-l] verify sessions stored in memcached

Tim Dunphy bluethundr at gmail.com
Sat Oct 3 20:56:06 UTC 2015


Hey guys,

Using the stats command to the memcached telnet interface, what am I
looking for in the outuput to verify that sessions are indeed being stored
in memcached?

Here's what I see in the output of that command:

Connected to localhost.
Escape character is '^]'.
stats
STAT pid 15660
STAT uptime 520834
STAT time 1443903604
STAT version 1.4.22
STAT libevent 2.0.21-stable
STAT pointer_size 64
STAT rusage_user 24.649971
STAT rusage_system 25.674705
STAT curr_connections 11
STAT total_connections 2036
STAT connection_structures 14
STAT reserved_fds 20
STAT cmd_get 60483
STAT cmd_set 53862
STAT cmd_flush 0
STAT cmd_touch 0
STAT get_hits 57239
STAT get_misses 3244
STAT delete_misses 13
STAT delete_hits 875
STAT incr_misses 0
STAT incr_hits 0
STAT decr_misses 0
STAT decr_hits 0
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 13866189
STAT bytes_written 27434116
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 malloc_fails 0
STAT bytes 1412767
STAT curr_items 1173
STAT total_items 53854
STAT expired_unfetched 12
STAT evicted_unfetched 0
STAT evictions 0
STAT reclaimed 20
STAT crawler_reclaimed 0
STAT lrutail_reflocked 0
END

What other stats are interesting to look at in relation to mediawiki and
why?

Thanks,

Tim

-- 
GPG me!!

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