How to Scale a Sub Scale System Like WhatsApp?

Sasha: I remember there's something with a message box where you can somehow like things get pattern matched in a certain way. But that happens on like on the process level, right? Which I mean, if you have some kind of central like broker, I mean, you could do it, right? So we would finish up on the low priority work and basically pull up all messages from the inbox, which have more high priority. Sasha: If any of you folks out there has actually done something like that, like on a beam scheduling process level, like actually get in touch, because I think that would be really interesting to hear about also some of the pitfalls there.