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https://issues.apache.org/jira/browse/LUCENE-6022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14181556#comment-14181556
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ASF subversion and git services commented on LUCENE-6022:
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Commit 1633883 from [~jpountz] in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1633883 ]
LUCENE-6022: DocValuesDocIdSet checks live docs before doc values.
> DocValuesDocIdSet: check deleted docs before doc values
> -------------------------------------------------------
>
> Key: LUCENE-6022
> URL: https://issues.apache.org/jira/browse/LUCENE-6022
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Trivial
> Fix For: 5.0
>
> Attachments: LUCENE-6022.patch
>
>
> When live documents are not null, DocValuesDocIdSet checks if doc values
> match the document before the live docs. Given that checking if doc values
> match could involve a heavy computation (eg. geo distance) and that the
> default codec has live docs in memory but doc values on disk, I think it
> makes more sense to check live docs first?
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