PUBSUB SHARDCHANNELS

Usage:

PUBSUB SHARDCHANNELS [ pattern ]

Complexity:

O(N) where N is the number of active shard channels, and assuming constant time pattern matching (relatively short shard channels).

Since:

7.0.0

ACL Categories:

@pubsub, @slow

Lists the currently active shard channels.

An active shard channel is a Pub/Sub shard channel with one or more subscribers.

If no pattern is specified, all the channels are listed, otherwise if pattern is specified only channels matching the specified glob-style pattern are listed.

The information returned about the active shard channels are at the shard level and not at the cluster level.

Reply

Array of active channels, optionally matching the specified pattern.

Examples

> PUBSUB SHARDCHANNELS
1) "orders"
> PUBSUB SHARDCHANNELS o*
1) "orders"