pubsub-shardchannels.3valkey - Man Page

Returns the active shard channels.

Synopsis

PUBSUB SHARDCHANNELS [pattern]

Description

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

valkey-protocol(7) Array reply: a list of active channels, optionally matching the specified pattern.

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

History

Examples

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

See Also

psubscribe(3valkey), publish(3valkey), pubsub(3valkey), pubsub-channels(3valkey), pubsub-help(3valkey), pubsub-numpat(3valkey), pubsub-numsub(3valkey), pubsub-shardnumsub(3valkey), punsubscribe(3valkey), spublish(3valkey), ssubscribe(3valkey), subscribe(3valkey), sunsubscribe(3valkey), unsubscribe(3valkey)

Info

2024-09-23 8.0.0 Valkey Command Manual