HyperLogLog 简介&使用
程序员文章站
2022-07-11 08:29:15
...
127.0.0.1:6379> PFadd mykey a b c d e f g h i j k l
(integer) 1
127.0.0.1:6379> PFcount mykey
(integer) 12
127.0.0.1:6379> PFadd mykey2 a b c 1 2 3
(integer) 1
127.0.0.1:6379> PFcount mykey2
(integer) 6
127.0.0.1:6379> PFmerge myKeyMerge mykey mykey2
OK
127.0.0.1:6379> PFcount myKeyMerge
(integer) 15