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https://issues.apache.org/jira/browse/LUCENE-6460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14521456#comment-14521456
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Adrien Grand commented on LUCENE-6460:
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+1
> TermsQuery should rewrite to BooleanQuery if < 50 terms
> -------------------------------------------------------
>
> Key: LUCENE-6460
> URL: https://issues.apache.org/jira/browse/LUCENE-6460
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Reporter: David Smiley
> Priority: Minor
>
> If there aren't many terms in a TermsQuery (perhaps 50), it should be faster
> for TermsQuery to rewrite to a BooleanQuery so that there is
> disjunction/skipping. Above some number of terms, there is overhead in
> BQ/DisjunctionScorer's PriorityQueue.
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