PUBSUB NUMPAT
Syntax
PUBSUB NUMPAT
Time complexity: O(1)
ACL categories: @pubsub, @slow
Returns the number of unique patterns that are subscribed to by clients (that are performed using the PSUBSCRIBE
command).
Note that this isn't the count of clients subscribed to patterns, but the total number of unique patterns all the clients are subscribed to.
Return
Integer reply: the number of patterns all the clients are subscribed to.