redis cluster-countkeysinslot命令

CLUSTER COUNTKEYSINSLOT slot

Returns the number of keys in the specified Redis Cluster hash slot. The command only queries the local data set, so contacting a node that is not serving the specified hash slot will always result in a count of zero being returned.

> CLUSTER COUNTKEYSINSLOT 7000
(integer) 50341

*返回值

Integer reply: The number of keys in the specified hash slot, or an error if the hash slot is invalid.