If you afraid of the scatter/gather happening with views, you should definitely look into GSI and the new MDS architecture. You’ll be able to have an index on just one node and this way avoid the scatter/gather. I invite you to look at the latest presentation on the topic:
GSI: https://www.youtube.com/watch?v=WvjYKO27Vdk
MDS: https://www.youtube.com/watch?v=b09peBHtITA