benwtrent commented on PR #13651:
URL: https://github.com/apache/lucene/pull/13651#issuecomment-2470503074

   Quick update, we have been bothered with some of the numbers (for example, 
models like "gist" perform poorly) and we have some improvements to get done 
first before flipping back to "ready for review". 
   
   
   @mikemccand YES! That would be great! "Memory required" would be the 
quantized file size + hnsw graph file size (if the graph exists).
   
   
   
   @ShashwatShivam 
   
   Sorry for the late reply. There are no "out of the box" rescoring actions 
directly in Lucene. Mainly because the individual tools are (mostly) already 
available to you. You can ask for more overall vectors with one query, and then 
rescore the individual documents according to the raw vector comparisons. I 
admit, this requires some Lucene API know how.
   
   
   It would be good for a "vector scorer" to indicate if its an estimation or 
not to allow for smarter actions in the knn doc collector...


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