A used this a couple of times in production: https://github.com/asynkron/protoactor-go.

No problem launching a 100k actors on a laptop.

That looks cool. Thanks for the link!

Why do you say "attempt"? Does it not work sufficiently well [yet]?

Edit: Thanks for the additional context, dangoor. Cheers.

I haven't tried it, it's just on my radar. It may be great! But OTP has been around a long time, so I'm not going to assume that they've nailed it unless I've either tried it myself or seen folks talking about using it successfully.