1. 使用telnet命令连接memcached
# telnet 127.0.0.1 11211
2. 显示memcached中所有key
# stats items STAT items:1:number 5392 STAT items:1:age 1 STAT items:1:evicted 0 STAT items:1:evicted_nonzero 0 STAT items:1:evicted_time 0 STAT items:1:outofmemory 0 STAT items:1:tailrepairs 0 STAT items:1:reclaimed 0 STAT items:1:expired_unfetched 0 STAT items:1:evicted_unfetched 0 STAT items:1:crawler_reclaimed 0 END
3. 使用items:id获取该items下的所有key
stats cachedump [item id] [显示key的数量,0为显示全部]
# stats cachedump 1 0 ITEM MAP_WARNING_STATION_OLDVALKEYS [218 b; 1465212291 s] ITEM MAP_WARNING_STATION_VOSKEYS [222 b; 1465212291 s] ITEM MAP_WARNING_STATION_IDSKEYS [238 b; 1465212291 s] ITEM LIST_PROVINCE_DEFS [268 b; 1465212291 s] END
4. 获取key值
# get MAP_WARNING_STATION_OLDVALKEYS …… END