https://medium.com/blackode/how-to-perform-hot-code-swapping-in-elixir-afc824860012

Hot code swapping is replacing or adding components without stopping or shutting down the system. It is frequently called as hot-plugging.

In software development, hot swapping is used to upgrade or update the system without interrupting the current running system. It helps us with less downtime at the time of upgrading.

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