Score explanation could provide notice of function score rounding #97206
Labels
>enhancement
:Search Relevance/Ranking
Scoring, rescoring, rank evaluation.
Team:Search Relevance
Meta label for the Search Relevance team in Elasticsearch
Description
As documented by #49402,
_score
is stored as a float and has a maximum precision. When the total score is large enough, smaller score factor seemingly disappear. This is expected, but_explanation
does not explain why the final score value does not reflect the scoring factors it lists.Here's an example explanation where it would be helpful to be made aware of the rounding:
I believe this is related to #11872 and #53158
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