Adrien Grand created LUCENE-6022:
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             Summary: DocValuesDocIdSet: check deleted docs before doc values
                 Key: LUCENE-6022
                 URL: https://issues.apache.org/jira/browse/LUCENE-6022
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Adrien Grand
            Assignee: Adrien Grand
            Priority: Trivial
             Fix For: 5.0


When live documents are not null, DocValuesDocIdSet checks if doc values match 
the document before the live docs. Given that checking if doc values match 
could involve a heavy computation (eg. geo distance) and that the default codec 
has live docs in memory but doc values on disk, I think it makes more sense to 
check live docs first?



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