Let’s say we have 10 documents in a collection: A, B, C, D … J
User 1’s publication returns A, B, and C.
User 2’s publication returns A, B, and E.
User 3’s publications returns B, F, and J.
Do you think it might be better for performance to get each document through individual subscription rather than funnel them through one subscription? If I understand correctly, Meteor might have to do a lot less work calculating changes, but also keep track of a lot more subscriptions.