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Socket.IO multiroom chat demo

A simple demo of a multiroom chat in Node.JS + Socket.IO with included simple benchmark.

How to use

Clone:

git clone git://github.com/jgonera/socket.io-multichat.git
cd socket.io-multichat

Install dependencies:

npm install

Run:

node app.js

or to disable logging and increase performance:

NODE_ENV=production node app.js

The app will be available at http://localhost:7890/. You can open a few tabs in your browser, join some channel and see how it works.

Benchmark

Start in production and then run:

node benchmark.js [TOTAL_CLIENTS] [CLIENTS_PER_ROOM]

This will connect TOTAL_CLIENTS clients to the server and start flooding TOTAL_CLIENTS/CLIENTS_PER_ROOM rooms with messages. Setting this too high is more likely to cause 100% CPU usage on the benchmark than on the app itself (so run top to see if you reach the benchmark's limit or the app's limit).