SPUBLISH

Syntax

SPUBLISH shard_channel message

Time complexity: O(N) where N is the number of clients subscribed to the receiving shard channel.

ACL categories: @pubsub, @fast

Posts a message to the given shard channel.

In a Dragonfly cluster, shard channels are assigned to slots with the same algorithm used to assign keys to slots. These channels remain active on a shard, even during slot migrations. After a migration is complete, clients get redirected to thew new node that owns the moved slot to continue sending/receiving pub/sub messages.

Return

Integer reply: the number of clients that received the message.

Examples

> spublish movies some_action_movie
(integer) 1