We want to be able to do a "top strings" (that's my naming) query. Like a top terms, but want the top entire strings in a field rather than the terms. I followed the instructions in this post and reindexed the data with the field as not_analyzed. After doing that, the query below does return the top strings:
So, I've got what I need, but I'm wondering if there are other/better ways to do this?