mikemccand commented on issue #1351: LUCENE-9280: Collectors to skip noncompetitive documents URL: https://github.com/apache/lucene-solr/pull/1351#issuecomment-615483497 The `wikimedium1m` corpus is really too small to draw strong conclusions -- I would use it to run a quick performance test, e.g. to see that it can run to completion, not dying with an exception, but then run the real test on `wikimediumall`. Do you know why you are seeing these warnings? ``` WARNING: cat=HighTermDayOfYearSort: hit counts differ: 541658 vs 541658+ WARNING: cat=TermDTSort: hit counts differ: 68644 vs 68644+ ``` Oh, I guess this is expected, since the optimization may skip some non-competitive matches by skipping forward to find possibly competitive hits based on current PQ bottom? But then, why is the warning not something more like: ``` WARNING: cat=HighTermDayOfYearSort: hit counts differ: 541658 vs 5000+ ``` I.e., it looks like (for these benchmark queries anyways) the optimization did not wind up skipping any hits (though, it thought it may have, hence the added `+`)?
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