ZFS doesn’t really hog memory, rather it consumes almost all available memory as cache. But it frees it as soon as it’s needed.

It seems like the libraries are server specific. So it’ll probably just be saved to whichever server owns the library you’re using.

Jellyseerr is about to add Postgres support which is sweet if you run in any kind of cluster configuration like kubernetes.

I use Sonarr to handle naming so I’d imagine this wouldn’t play nicely with it right?

I struggled for a long time to find a way to have One Piece to show in Jellyfin with the absolute episode numbers, and even though I found a way it wasn’t worth the tradeoff for me. I now just deal with TVDB organizing (S22E37 which is actually E1122 for instance) and just be at peace with it.