: I see that in this use case this makes most sense - thanks. : : But why are fieldNorms in general very corse?
they are a floating point value encoded into a single byte... https://lucene.apache.org/java/3_4_0/scoring.html#Score%20Boosting https://lucene.apache.org/java/3_4_0/api/core/org/apache/lucene/search/Similarity.html#encodeNorm%28float%29 -Hoss
