Redis Publish/subscribe
Redis implements a publish/subscribe messaging mechanism.
Its concept is simple: a publisher sends a message on a channel. Multiple subscribers receive it.
Subscribe to a channel using
SUBSCRIBE <channel>Publish to a channel using
PUBLISH <channel> <message>Example:
SUBSCRIBE dogs
In another redis-cli window, type:
PUBLISH dogs "Roger"
Messages will be sent to the subscribers, and they’ll by default display the kind of event, the channel, and the message:
Subscribers can listen on multiple channels:
SUBSCRIBE dogs catsand will receive messages coming from all of them.
I wrote 19 books to help you become a better developer:
- HTML Handbook
- Next.js Pages Router Handbook
- Alpine.js Handbook
- HTMX Handbook
- TypeScript Handbook
- React Handbook
- SQL Handbook
- Git Cheat Sheet
- Laravel Handbook
- Express Handbook
- Swift Handbook
- Go Handbook
- PHP Handbook
- Python Handbook
- Linux Commands Handbook
- C Handbook
- JavaScript Handbook
- CSS Handbook
- Node.js Handbook