kkewwei commented on issue #16702:
URL: https://github.com/apache/lucene/issues/16702#issuecomment-5778829618

   @mkierus This issue make sense to me. In`ReqExclBulkScorer` , we use 
the`MUST_NOT` clause to drive document advance. However, due to an incorrect 
cost, the`MUST_NOT` clause currently selects doc_values to drive iteration 
instead of `BKD points`. We may want to restore the Lucene 9.x behavior.
   
   If you do not plan to address this issue, I would be happy to work on a fix. 
If you do plan to fix it, I would also be glad to review the PR.
   
   Separately, I have recently been working on optimizing`ReqExclBulkScorer` 
#16669 . My optimization does not conflict with yours, but it cannot fully 
resolve this issue.


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