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Performance benchmarking Socket.io 0.8.7, 0.7.11 and 0.6.17 and Node's native TCP

I’ve been working with Socket.io quite a bit recently. It’s a great library. However, after upgrading to 0.8.x, I ran into problems with increased CPU usage. Since performance is very important for high traffic pubsub implementations, I decided to investigate this further – and try to quantify the performance impact of upgrading to a newer [...]

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