redis-cli -h 127.0.0.1 -p 6379
127.0.0.1:6379> INFO
127.0.0.1:6379> INFO Keyspace
127.0.0.1:6379> KEYS *
redis> MGET <key>
127.0.0.1:6379> FLUSHALL
redis-cli -h 127.0.0.1 -p 6379
127.0.0.1:6379> INFO
127.0.0.1:6379> INFO Keyspace
127.0.0.1:6379> KEYS *
redis> MGET <key>
127.0.0.1:6379> FLUSHALL