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From "Robert Muir (JIRA)" <>
Subject [jira] [Created] (LUCENE-4923) remove minShouldMatch/speed up DisjunctionSumScorer
Date Wed, 10 Apr 2013 06:30:19 GMT
Robert Muir created LUCENE-4923:

             Summary: remove minShouldMatch/speed up DisjunctionSumScorer
                 Key: LUCENE-4923
             Project: Lucene - Core
          Issue Type: Improvement
          Components: core/query/scoring
    Affects Versions: 4.3
            Reporter: Robert Muir

LUCENE-4571 added a MinShouldMatchScorer: capable of using advance() on subscorers for minShouldMatch
> 1. 

However, we didn't yet cleanup the (now dead) minShouldMatch logic from DisjunctionSumScorer:
which is now only used for pure disjunctions. This can also give some reasonable performance
improvements for in-order collection.

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