PUBSUB SHARDCHANNELS
Syntax
PUBSUB SHARDCHANNELS [pattern]
- Available since:
- Redis Open Source 7.0.0
- Time complexity:
- O(N) where N is the number of active shard channels, and assuming constant time pattern matching (relatively short shard channels).
- 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.
Examples
> PUBSUB SHARDCHANNELS
1) "orders"
> PUBSUB SHARDCHANNELS o*
1) "orders"
Return information
Array reply: a list of active channels, optionally matching the specified pattern.