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https://github.com/eranyanay/1m-go-websockets

handling 1M websockets connections in Go
https://github.com/eranyanay/1m-go-websockets

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handling 1M websockets connections in Go

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# Going Infinite, handling 1M websockets connections in Go

This repository holds the complete implementation of the examples seen in Gophercon Israel talk, 2019.



> Going Infinite, handling 1 millions websockets connections in Go / Eran Yanay — [ [Video](https://www.youtube.com/watch?v=LI1YTFMi8W4) | [Slides](https://speakerdeck.com/eranyanay/going-infinite-handling-1m-websockets-connections-in-go) ]



It doesnt intend or claim to serve as a better, more optimal implementation than other libraries that implements the websocket protocol, it simply shows a set of tools, all combined together to demonstrate a server written in pure Go that is able to serve more than a million websockets connections with less than 1GB of ram.



# Usage

This repository demonstrates how a very high number of websockets connections can be maintained efficiently in Linux



Everything is written in pure Go



Each folder shows an example of a server implementation that overcomes various issues raised by the OS, by the hardware or the Go runtime itself, as shown during the talk.



`setup.sh` is a wrapper to running multiple instances using Docker. See content of the script for more details of how to use it.



`destroy.sh` is a wrapper to stop all running clients.



A single client instance can be executed by running `go run client.go -conn=<# connections to establish>`



# Remarks

This repo consists of a set of examples that were demonstrated during a live talk in Gophercon. 



What you see is what you get - while the implementation is fully functional, it doesn't intend to serve as a production-ready code, and no new features that were asked will be added. 



The only purpose of this repository is to serve as a reference and a case study.