$ telnet 127.0.0.1 11211

stats items 

STAT items:4:number 1
STAT items:4:number_hot 0
STAT items:4:number_warm 0
STAT items:4:number_cold 1
STAT items:4:age_hot 0
STAT items:4:age_warm 0
STAT items:4:age 38
STAT items:4:mem_requested 164
STAT items:4:evicted 0
STAT items:4:evicted_nonzero 0
STAT items:4:evicted_time 0
STAT items:4:outofmemory 0
STAT items:4:tailrepairs 0
STAT items:4:reclaimed 0
STAT items:4:expired_unfetched 0
STAT items:4:evicted_unfetched 0
STAT items:4:evicted_active 0
STAT items:4:crawler_reclaimed 0
STAT items:4:crawler_items_checked 0
STAT items:4:lrutail_reflocked 0
STAT items:4:moves_to_cold 20
STAT items:4:moves_to_warm 0
STAT items:4:moves_within_lru 0
STAT items:4:direct_reclaims 0
STAT items:4:hits_to_hot 0
STAT items:4:hits_to_warm 0
STAT items:4:hits_to_cold 19
STAT items:4:hits_to_temp 0
END

stats cachedump 4 100 

ITEM soma_key [97 b; 0 s]
END

Ca fonctionne aussi simplement que ca en telnet, mais on peut faire plus simple :

pip3 install memcached-search
memcached-search items

memcached-search est un outil d'interrogagtion en ligne de commande simple et utile pour vérifier ce qui est stocké.