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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2017/02/27 12:11:45 UTC

[jira] [Created] (LUCENE-7713) Optimize TopFieldDocCollector for the sorted case

Adrien Grand created LUCENE-7713:
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             Summary: Optimize TopFieldDocCollector for the sorted case
                 Key: LUCENE-7713
                 URL: https://issues.apache.org/jira/browse/LUCENE-7713
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Adrien Grand
            Priority: Minor


When the sort order is a prefix of the index sort order, {{TopFieldDocCollector}} could skip reading doc values and comparing them against the bottom value after {{numHits}} documents have been collected, and just count matches.



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