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https://issues.apache.org/jira/browse/LUCENE-6815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15053181#comment-15053181
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ASF subversion and git services commented on LUCENE-6815:
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Commit 1719490 from [~jpountz] in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1719490 ]
LUCENE-6815: Make DisjunctionScorer advance lazily.
> Should DisjunctionScorer advance more lazily?
> ---------------------------------------------
>
> Key: LUCENE-6815
> URL: https://issues.apache.org/jira/browse/LUCENE-6815
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-6815.patch, LUCENE-6815.patch, LUCENE-6815.patch
>
>
> Today if you call DisjunctionScorer.advance(X), it will try to advance all
> sub scorers to X. However, if DisjunctionScorer is being intersected with
> another scorer (which is almost always the case as we use BooleanScorer for
> top-level disjunctions), we could stop as soon as we find one matching sub
> scorer, and only advance the remaining sub scorers when freq() or score() is
> called.
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