Is Postgres Scalable?

We ingest around 30 million rows a day maybe actually quite a bit more than that because that's just the amount like of matches that we're getting every day but then all the other records i'm not counting. Everything is built on top of Postgres and it's very very quick provided that you build the right schemas and you know what you're doing. There's actually a pub sub built into Postgres which is really interesting and i use that in a project that got brought onto the one of the other podcasts because of the solution I used. We would just broadcast a message saying if this was deleted and that would actually send a message across the web socket to all the connected clients through a