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https://issues.apache.org/jira/browse/LUCENE-10382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17481836#comment-17481836
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Michael Sokolov commented on LUCENE-10382:
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> +1 on figuring out a better execution path before the release, it's going to
> look bad if setting a filter could make the query perform many times slower
> than a linear scan
This is fair, but by "release" do we mean – commit to lucene/main? I think so,
because a 9.1 or later release could be cut from that at any time. So ... let's
do the work on a feature branch to enable iterating to get it nailed down.
> Allow KnnVectorQuery to operate over a subset of liveDocs
> ---------------------------------------------------------
>
> Key: LUCENE-10382
> URL: https://issues.apache.org/jira/browse/LUCENE-10382
> Project: Lucene - Core
> Issue Type: Improvement
> Affects Versions: 9.0
> Reporter: Joel Bernstein
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Currently the KnnVectorQuery selects the top K vectors from all live docs.
> This ticket will change the interface to make it possible for the top K
> vectors to be selected from a subset of the live docs.
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