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https://issues.apache.org/jira/browse/LUCENE-7697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16836421#comment-16836421
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Atri Sharma commented on LUCENE-7697:
-------------------------------------
Couple of ideas:
1) For sorted DocValues and a query seeking an exact value of the sort key, do
a binary search per segment instead of loading every document and checking.
2) If the sort order of an index and sort order of a key match, terminate early.
Any other thoughts/ideas?
> IndexSearcher should leverage index sorting
> -------------------------------------------
>
> Key: LUCENE-7697
> URL: https://issues.apache.org/jira/browse/LUCENE-7697
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
>
> We made good efforts in order to make index sorting fast and easy to
> configure. We should now look into making IndexSearcher aware of it. This
> will probably require changes of the API as not collecting all matches means
> that we can no longer know things like the total number of hits or the
> maximum score.
> I don't plan to work on it anytime soon, I'm just opening this issue to raise
> awareness. I'd be happy to do reviews however if someone decides to tackle it.
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