Redis for chat between users

[Vladimir Kubantsev]

Hi everyone.

I started worked with redis, but I can't understand some concepts. For example: many users chat with each other. Each user has an individual set of messages. Each message has some fields: time, body, sender. How can I efficiently store this structure in Redis?

I have idea create a list like that :

'user_id:inbox' :  'time:body:sender', 'time:body:sender' ... 

But in this case I must parse each record of list for extract fields.

Could you please explain it?

With best regards,

Vladimir

[Josiah Carlson]

There are many different ways to implement multi-user chat in Redis. I have posted a couple of them that offer persistent messaging (think WhatsApp group chat or similar), and my book Redis in Action includes a variant in section 6.5.2 in chapter 6.

If you can be more specific about the details of what you actually want to support in your chat, it is likely that I or someone else can provide a pointer or more information on how to implement it.

 - Josiah

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