Pub/Sub Messaging in Redis
From the Redis cheat sheet · Pub/Sub & Streams · verified Jul 2026
Pub/Sub Messaging
Publish/Subscribe messaging pattern
bash
# Subscribe to channel
SUBSCRIBE channel1
# Publish message
PUBLISH channel1 "Hello subscribers"
# Pattern subscription
PSUBSCRIBE news:*
# Unsubscribe
UNSUBSCRIBE channel1📡 Real-time messaging between clients
🔥 Fire-and-forget delivery (no persistence)
🎯 Pattern matching for flexible subscriptions
⚠️ Messages lost if no active subscribers