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https://issues.apache.org/jira/browse/LUCENE-8956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16923640#comment-16923640
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ASF subversion and git services commented on LUCENE-8956:
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Commit 13addb4d5e9125d15ab1c30ab1ae4a17fa9a3ff7 in lucene-solr's branch
refs/heads/branch_8x from Adrien Grand
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=13addb4 ]
LUCENE-8956: QueryRescorer now only sorts the first topN hits instead of all
initial hits.
> QueryRescorer sort optimization
> -------------------------------
>
> Key: LUCENE-8956
> URL: https://issues.apache.org/jira/browse/LUCENE-8956
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/query/scoring
> Reporter: Paul Sanwald
> Priority: Minor
> Fix For: 8.3
>
> Attachments: LUCENE-8956.patch
>
>
> This patch addresses a TODO in QueryRescorer: We should not sort the full
> array of the results returned from rescoring, but rather only topN, when topN
> is less than total hits.
>
> Made this optimization with some suggestions from [~jpountz] and [~jimczi],
> this is my first lucene patch submission.
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