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https://issues.apache.org/jira/browse/LUCENE-6878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14987328#comment-14987328
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ASF subversion and git services commented on LUCENE-6878:
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Commit 1712298 from [~jpountz] in branch 'dev/trunk'
[ https://svn.apache.org/r1712298 ]
LUCENE-6878: Speed up TopDocs.merge.
> TopDocs.merge should use updateTop instead of pop / add
> -------------------------------------------------------
>
> Key: LUCENE-6878
> URL: https://issues.apache.org/jira/browse/LUCENE-6878
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Affects Versions: Trunk
> Reporter: Daniel Jelinski
> Assignee: Adrien Grand
> Priority: Trivial
> Attachments: LUCENE-6878.patch
>
>
> The function TopDocs.merge uses PriorityQueue in a pattern: pop, update value
> (ref.hitIndex++), add. JavaDocs for PriorityQueue.updateTop say that using
> this function instead should be at least twice as fast.
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