hlen.3valkey - Man Page

HLEN key

Returns the number of fields contained in the hash stored at key.

valkey-protocol(7) Integer reply: the number of fields in the hash, or 0 when the key does not exist.

O(1)

@fast @hash @read

• Available since: 2.0.0

127.0.0.1:6379> HSET myhash field1 "Hello"
(integer) 1
127.0.0.1:6379> HSET myhash field2 "World"
(integer) 1
127.0.0.1:6379> HLEN myhash
(integer) 2

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