[dpflan]

This is a great engineering blogpost. Other good ones from Discord on scaling (elixir, rust, cassandraDB vs. scyllaDB:

- https://discord.com/blog/how-discord-scaled-elixir-to-5-000-... — continually improving elixir

- https://discord.com/blog/how-discord-stores-trillions-of-mes... — moving to scyllaDB