Yes, all three fields should be docValues. The point of docValues is
to keep from "uninverting" the docValues structure in Java's heap. Any
time you have to answer the question "What is the value in
docX.fieldY" it should be a docValues field. The way facets (and
funciton queries for tha t matter w
I've been trying to figure out how exactly docValues help with facet
queries, and I only seem to find mention that they are beneficial to facet
performance without many specifics. What I'd like to know is whether it
applies to all fields used in the facet or just fields that are faceted on.
For ex
