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Editorial Team
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Asked: 2026-05-27T05:46:46+00:00

Ok, so I previously asked a question asking about my options, I have looked

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Ok, so I previously asked a question asking about my options, I have looked into sockets.io and redis, and really like what I see.

Anyway, I would like to have multiple clients connected to a node.js server. Then when my redis db has a change, for example some boolean from 0 to 1, I want all node.js connections to send this update to all clients.

I am not looking for some code to loop and check for this change, I am wondering how I can fire an event to specific clients when a change is made in a redis db. Any psuedo code to help me get my mind around this, would be awesome. I would also really appreciate any node.js code that shows how to hook an event to changes in a redis instance.

Cheers, Josh

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  1. Editorial Team

    I can’t write any node.js code for you, but sounds like what you want is exactly what Redis’s pub/sub functionality is for:

    http://redis.io/topics/pubsub

    Each node.js client would subscribe to a channel, where they will block/wait for messages to arrive. No looping/polling required.

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