How powerful should a server be for chatting 100 people online?

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pup_pupets2014-10-14 21:59:35

ruby

pup_pupets, 2014-10-14 21:59:35

Hello.
On the site I plan to make a chat on rails (with the help of Faye). However, I don’t know how powerful the server should be so that 100 people can easily communicate online? I understand that the load should be decent.
Maybe someone already has similar chats or just knows?
Thank you.

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2 answer(s)

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Sergey, 2014-10-14
@pup_pupets

profiling and load tests!
You understand that everything depends on the implementation.
Faye as far as I remember for pub/sub between ruby and node.js use, no? That is, you will have a chat on node.js and authentication and authorization on ruby?
In general, 100 people online on websockets, even on ruby, can be mastered by a simple VPS bucks for 5 quietly. But everything can be screwed up by blocking the server with an authorization check or some other nonsense.
If you know how websockets work, are familiar with the concept of a tcp connection, know how to work with asynchronous sockets via epoll / select, then implementing a ruby chat without any node.js is not a problem.

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Viktor, 2014-10-21
@Levhav

The load will depend on the implementation, if you do it for example in php, then the load will be noticeable. If done in C ++, then any cheapest VPS will do and 99% of the resources will be idle on it unnecessarily.